Lightning-protection anti-static gain switching signal control system and method

Abstract

The invention provides an anti-thunder and anti-static gain switching signal control system and method, and the system comprises a thunder and static tube protection module which is disposed at the input ends and the output ends of a radio frequency amplifier module group and a filter module group through the thunder and static tube module group, and carries out the anti-thunder and anti-static protection; the trigger bias module provides bias voltage for the PIN diode module group through the bias resistor module group to form a bias path of the radio frequency amplifier module group; the gating isolation module is used for blocking the high-frequency alternating current by isolating the inductance module group; dC large current is isolated through the capacitor module group; and the active and passive control amplification module controls the radio frequency amplifier module group by controlling the conduction and cut-off of the PIN diode module group, so as to switch high and low gains, reduce the power loss and improve the signal-to-noise ratio of television digital signals.

Description

Technical Field

[0001] The present invention relates to the technical field of digital communication safety and energy-saving signal control, and more specifically, to a lightning protection and anti-static gain switching signal control system and method. Background Art

[0002] In the digital communication operational amplifier signal control system, it is easy to be damaged by lightning or static electricity during actual use, resulting in defective products or static electricity soft breakdown; thus, the production is sometimes good and sometimes bad, and damage may occur during use, seriously affecting the product quality; specific problems include: how to perform anti-static and anti-lightning protection at the input and output ends of the system, how to more reasonably provide a bias path for the RF amplifier module group, how to more safely block high-frequency AC current and isolate large DC current, how to control the switching of RF amplifiers and system components to reduce power loss and improve the signal-to-noise ratio of television digital signals, and other issues remain to be resolved; therefore, it is necessary to propose a lightning protection and anti-static gain switching signal control system and method to at least partially solve the problems existing in the prior art. Summary of the invention

[0003] A series of simplified concepts are introduced in the content of the invention, which will be further described in detail in the specific implementation method section; the content of the invention of the present invention does not mean to attempt to limit the key features and essential technical features of the technical solution claimed for protection, nor does it mean to attempt to determine the scope of protection of the technical solution claimed for protection.

[0004] In order to at least partially solve the above problems, the present invention provides a lightning protection and anti-static gain switching signal control system, comprising:

[0005] The lightning and electrostatic tube protection module is set at the input and output ends of the RF amplifier module group and the filter module group through the lightning and electrostatic tube module group to provide anti-static and anti-lightning protection;

[0006] The bias module is triggered to provide a bias voltage to the PIN diode module group through the bias resistor module group, thereby forming a bias path for the RF amplifier module group;

[0007] The isolation module is gated to block high-frequency AC current through the isolation inductor module group and isolate high DC current through the capacitor module group;

[0008] The active and passive control amplifier module controls the conduction and cutoff of the PIN diode module group, controls the RF amplifier module group, switches between high and low gains, reduces power loss and improves the signal-to-noise ratio of the TV digital signal.

[0009] Preferably, the lightning and static electricity protection module comprises:

[0010] The operational amplifier input lightning electrostatic protection unit is arranged at the input end of the first RF amplifier 1 through the first integrated ESD lightning tube D1 to perform front-end lightning and electrostatic protection on the first RF amplifier 1;

[0011] The lightning electrostatic protection unit in the middle of the operational amplifier is arranged at the output end of the first RF amplifier 1 and the input end of the second RF amplifier 2 through the second integrated ESD lightning diode D2, and performs back-end lightning and electrostatic protection on the first RF amplifier 1, and performs front-end lightning and electrostatic protection on the second RF amplifier 2;

[0012] The operational amplifier output lightning electrostatic protection unit is arranged to the output end of the second RF amplifier 2 and the input end of the filter module group through the third integrated ESD lightning tube D3, and performs rear-end lightning and electrostatic protection on the output end of the second RF amplifier 2, and performs front-end lightning and electrostatic protection on the input end of the filter module group;

[0013] The filter output lightning electrostatic protection unit is arranged at the output end of the filter module group through the fourth integrated ESD lightning tube D4, and performs back-end lightning and electrostatic protection on the output end of the filter module group.

[0014] Preferably, the trigger bias module comprises:

[0015] The bias resistor configuration unit provides bias voltage for the PIN diode module group through the first bias resistor 511 and the second bias resistor 511 of the bias resistor module group; the bias resistor module group includes: the first bias resistor 511 and the second bias resistor 511;

[0016] The switch group configuration unit forms a bias path of the RF amplifier module group through the PIN diode module group, the first bias resistor 511 and the second bias resistor 511; the PIN diode module group includes: a first PIN diode PIN1, a second PIN diode PIN2, a third PIN diode PIN3 and a fourth PIN diode PIN4.

[0017] Preferably, the gate isolation module comprises:

[0018] The high-frequency isolation inductor unit blocks high-frequency AC current and conducts DC current through an isolation inductor module group; the isolation inductor module group includes: a first inductor 561NH, a second inductor 561NH and a third inductor 561NH;

[0019] The AC conduction unit is controlled to conduct the AC current and isolate the large DC current through the capacitor module group; the capacitor module group includes: a first capacitor 102 , a second capacitor 102 , a third capacitor 102 and a fourth capacitor 102 .

[0020] Preferably, the active and passive control amplification module comprises:

[0021] The active and passive switch control unit controls the conduction and cutoff of the PIN diode module group through the active and passive switching control switch, controls the RF amplifier module group, switches between high and low gain, and reduces power loss;

[0022] The high signal-to-noise ratio operational amplifier unit is controlled by the RF amplifier module group to reduce power loss and improve the signal-to-noise ratio of the TV digital signal.

[0023] The present invention provides a lightning protection and anti-static gain switching signal control method, comprising:

[0024] S100, anti-static and anti-lightning protection is performed by setting the lightning and electrostatic tube module group at the input and output ends of the radio frequency amplifier module group and the filter module group;

[0025] S200, providing a bias voltage for the PIN diode module group through the bias resistor module group to form a bias path for the RF amplifier module group;

[0026] S300 blocks high-frequency AC currents through the isolation inductor module group and isolates high DC currents through the capacitor module group;

[0027] S400, by controlling the conduction and cutoff of the PIN diode module group, the radio frequency amplifier module group is controlled to switch between high and low gain, thereby reducing power loss and improving the signal-to-noise ratio of the television digital signal.

[0028] Preferably, S100 includes:

[0029] S101, a first integrated ESD lightning tube D1 is arranged at the input end of the first radio frequency amplifier 1 to perform front-end lightning and electrostatic protection on the first radio frequency amplifier 1;

[0030] S102, by placing a second integrated ESD lightning diode D2 at the output end of the first RF amplifier 1 and the input end of the second RF amplifier 2, the first RF amplifier 1 is protected from lightning and electrostatic discharge at the back end, and the second RF amplifier 2 is protected from lightning and electrostatic discharge at the front end;

[0031] S103, by using a third integrated ESD lightning tube D3, arranged at the output end of the second RF amplifier 2 and the input end of the filter module group, the output end of the second RF amplifier 2 is protected from back-end lightning and electrostatics, and the input end of the filter module group is protected from front-end lightning and electrostatics;

[0032] S104, deploying a fourth integrated ESD lightning tube D4 to the output end of the filter module group to perform rear-end lightning and electrostatic protection on the output end of the filter module group.

[0033] Preferably, S200 includes:

[0034] S201, providing bias voltage to the PIN diode module group through the first bias resistor 511 and the second bias resistor 511 of the bias resistor module group respectively; the bias resistor module group includes: the first bias resistor 511 and the second bias resistor 511;

[0035] S202, a PIN diode module group cooperates with a first bias resistor 511 and a second bias resistor 511 to form a bias path of a radio frequency amplifier module group; the PIN diode module group includes: a first PIN diode PIN1, a second PIN diode PIN2, a third PIN diode PIN3 and a fourth PIN diode PIN4.

[0036] Preferably, S300 includes:

[0037] S301, blocking high-frequency AC current and conducting DC current through an isolation inductor module group; the isolation inductor module group includes: a first inductor 561NH, a second inductor 561NH and a third inductor 561NH;

[0038] S302 , conducting and controlling the alternating current and isolating the large direct current through the capacitor module group; the capacitor module group includes: a first capacitor 102 , a second capacitor 102 , a third capacitor 102 and a fourth capacitor 102 .

[0039] Preferably, S400 includes:

[0040] S401, controlling the conduction and cutoff of the PIN diode module group through the active and passive switching control switch, controlling the radio frequency amplifier module group, switching between high and low gain, and reducing power loss;

[0041] S402, reducing power loss and improving the signal-to-noise ratio of the television digital signal through control of the radio frequency amplifier module group.

[0042] Compared with the prior art, the present invention has at least the following beneficial effects:

[0043] The present invention discloses a lightning protection and anti-static gain switching signal control system and method. The lightning and static tube protection modules are arranged at the input and output ends of the radio frequency amplifier module group and the filter module group through the lightning and static tube module group to perform anti-static and anti-lightning protection; the bias module is triggered to provide a bias voltage for the PIN diode module group through the bias resistor module group to form a bias path of the radio frequency amplifier module group; the isolation module is selected to block high-frequency alternating current through the isolation inductor module group; the large direct current is isolated through the capacitor module group; the active and passive control amplification module controls the radio frequency amplifier module group by controlling the conduction and cutoff of the PIN diode module group. Switching between high and low gain can reduce power loss and improve the signal-to-noise ratio of TV digital signals; it can prevent damage from lightning or static electricity during actual use in digital communication op amp signal control systems; greatly reduce product defective rate; significantly reduce static soft breakdown; greatly reduce the probability of damage caused by fluctuations in production or during use, thereby improving product quality; can provide anti-static and anti-lightning protection at the input and output ends of the system; can more reasonably provide bias paths for RF amplifier module groups; can more safely block high-frequency AC currents and isolate large DC currents; can control the switching of RF amplifiers and system components to reduce power loss and improve the signal-to-noise ratio of TV digital signals.

[0044] The lightning protection and anti-static gain switching signal control system and method described in the present invention, and other advantages, objectives and features of the present invention will be partially reflected through the following description, and will also be partially understood by technical personnel in the field through research and practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0045] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0046] Figure 1 This is a diagram of an embodiment of a lightning protection and anti-static gain switching signal control system described in the present invention.

[0047] Figure 2 This is another embodiment of the lightning protection and anti-static gain switching signal control system described in the present invention.

[0048] Figure 3 This is another embodiment of a lightning protection and anti-static gain switching signal control system and method described in the present invention. DETAILED DESCRIPTION

[0049] The present invention is further described in detail below in conjunction with the accompanying drawings and embodiments so that those skilled in the art can implement it according to the instructions; as shown in the figure, the present invention provides a lightning protection and anti-static gain switching signal control system, including:

[0050] The lightning and electrostatic tube protection module is set at the input and output ends of the RF amplifier module group and the filter module group through the lightning and electrostatic tube module group to provide anti-static and anti-lightning protection;

[0051] The bias module is triggered to provide a bias voltage to the PIN diode module group through the bias resistor module group, thereby forming a bias path for the RF amplifier module group;

[0052] The isolation module is gated to block high-frequency AC current through the isolation inductor module group and isolate high DC current through the capacitor module group;

[0053] The active and passive control amplifier module controls the conduction and cutoff of the PIN diode module group, controls the RF amplifier module group, switches between high and low gains, reduces power loss and improves the signal-to-noise ratio of the TV digital signal.

[0054] The principle and effect of the above technical solution are as follows: the present invention provides a lightning protection and anti-static gain switching signal control system, including: a lightning and static tube protection module, which is arranged at the input and output ends of the RF amplifier module group and the filter module group through the lightning and static tube module group to perform anti-static and anti-lightning protection; a trigger bias module, which provides a bias voltage for the PIN diode module group through the bias resistor module group to form a bias path for the RF amplifier module group; a selection isolation module, which blocks high-frequency AC current through the isolation inductor module group; and isolates large DC current through the capacitor module group; an active and passive control amplification module, which controls the conduction and cutoff of the PIN diode module group to control the RF The amplifier module group can switch between high and low gains, reduce power loss and improve the signal-to-noise ratio of television digital signals; it can avoid damage caused by lightning or static electricity during actual use in digital communication operational amplifier signal control systems; greatly reduce product defective rate; significantly reduce static soft breakdown; greatly reduce the probability of damage caused by fluctuations in production or during use, thereby improving product quality; can perform anti-static and anti-lightning protection at the input and output ends of the system; can more reasonably provide a bias path for the RF amplifier module group; can more safely block high-frequency AC current and isolate large DC current; can control the switching of RF amplifiers and system components to reduce power loss and improve the signal-to-noise ratio of television digital signals.

[0055] In one embodiment, a lightning and static electricity protection module includes:

[0056] The operational amplifier input lightning electrostatic protection unit is arranged at the input end of the first RF amplifier 1 through the first integrated ESD lightning tube D1 to perform front-end lightning and electrostatic protection on the first RF amplifier 1;

[0057] The lightning electrostatic protection unit in the middle of the operational amplifier is arranged at the output end of the first RF amplifier 1 and the input end of the second RF amplifier 2 through the second integrated ESD lightning diode D2, and performs back-end lightning and electrostatic protection on the first RF amplifier 1, and performs front-end lightning and electrostatic protection on the second RF amplifier 2;

[0058] The operational amplifier output lightning electrostatic protection unit is arranged to the output end of the second RF amplifier 2 and the input end of the filter module group through the third integrated ESD lightning tube D3, and performs rear-end lightning and electrostatic protection on the output end of the second RF amplifier 2, and performs front-end lightning and electrostatic protection on the input end of the filter module group;

[0059] The filter output lightning electrostatic protection unit is arranged at the output end of the filter module group through the fourth integrated ESD lightning tube D4, and performs back-end lightning and electrostatic protection on the output end of the filter module group.

[0060] The principle and effect of the above technical solution are as follows: the lightning and electrostatic protection module includes: an operational amplifier input lightning electrostatic protection unit, which is arranged at the input end of the first RF amplifier 1 through the first integrated ESD lightning tube D1, and performs front-end lightning and electrostatic protection on the first RF amplifier 1; an operational amplifier mid-section lightning electrostatic protection unit, which is arranged at the output end of the first RF amplifier 1 and the input end of the second RF amplifier 2 through the second integrated ESD lightning tube D2, and performs back-end lightning and electrostatic protection on the first RF amplifier 1, and performs front-end lightning and electrostatic protection on the second RF amplifier 2; an operational amplifier output lightning electrostatic protection unit, which is arranged at the output end of the first RF amplifier 1 and the input end of the second RF amplifier 2 through the second integrated ESD lightning tube D3 , arranged to the output end of the second RF amplifier 2 and the input end of the filter module group, the output end of the second RF amplifier 2 is protected from back-end lightning and electrostatics, and the input end of the filter module group is protected from front-end lightning and electrostatics; the filter output lightning electrostatic protection unit is arranged to the output end of the filter module group through the fourth integrated ESD lightning tube D4, and the output end of the filter module group is protected from back-end lightning and electrostatics; the lightning and electrostatic tube module group includes: a first integrated ESD lightning tube D1, a second integrated ESD lightning tube D2, a third integrated ESD lightning tube D3, a fourth integrated ESD lightning tube D4, a high-voltage gas discharge tube and a transient heat dissipation packaging layer; the first The positive terminals of the integrated ESD lightning tube D1, the second integrated ESD lightning tube D2, the third integrated ESD lightning tube D3 and the fourth integrated ESD lightning tube D4 are grounded respectively, and the negative terminals of the other ends are electrically connected to the circuit connection points respectively; the high-voltage gas discharge tube is integrated and connected in parallel between the grounding points; the transient heat dissipation packaging layer encapsulates the ESD lightning tube and the high-voltage gas discharge tube, and performs instantaneous high-heat absorption and heat dissipation; the transient heat dissipation packaging layer includes: the transient heat dissipation packaging layer includes: an inner packaging body 1011, an inner heat conductor 1012, a dual-state hot and cold medium layer 1013 and an outer packaging body 1014; the inner packaging body encapsulates the ESD lightning tube and the high-voltage gas discharge tube; the inner The layer of heat conductor covers the inner packaging body, and forms a sealed heat dissipation package with the outer packaging body, in which the binary hot and cold medium layer is a binary hot and cold medium; the binary hot and cold medium is initially in a condensed crystallized state; when transient high heat occurs in the ESD lightning tube and the high-voltage gas discharge tube, the transient high heat is quickly transmitted to the binary hot and cold medium layer, and the binary hot and cold medium is instantly heated, from the condensed crystallized state to the supersaturated state, part of the heat is quickly absorbed into the supersaturated binary hot and cold medium, and another part of the heat is quickly conducted out and lost; after heat dissipation, the supersaturated binary hot and cold medium gradually cools down, and the condensed crystallized state is re-formed by controlling the crystal nucleus, and part of the absorbed heat is slowly released to avoid transient high temperature damage to components.

[0061] In one embodiment, the trigger bias module includes:

[0062] The bias resistor configuration unit provides bias voltage for the PIN diode module group through the first bias resistor 511 and the second bias resistor 511 of the bias resistor module group; the bias resistor module group includes: the first bias resistor 511 and the second bias resistor 511;

[0063] The switch group configuration unit forms a bias path of the RF amplifier module group through the PIN diode module group, the first bias resistor 511 and the second bias resistor 511; the PIN diode module group includes: a first PIN diode PIN1, a second PIN diode PIN2, a third PIN diode PIN3 and a fourth PIN diode PIN4.

[0064] The principle and effect of the above technical solution are as follows: a trigger bias module includes: a bias resistor configuration unit, which provides bias voltages for the PIN diode module group through the first bias resistor 511 and the second bias resistor 511 of the bias resistor module group; the bias resistor module group includes: a first bias resistor 511 and a second bias resistor 511; a switch tube group configuration unit, which forms a bias path for the RF amplifier module group through the PIN diode module group, the first bias resistor 511 and the second bias resistor 511; the PIN diode module group includes: a first PIN diode PIN1, a second PIN diode PIN2, a third PIN diode PIN3 and a fourth PIN diode PIN4; the PIN diode module group is configured as an ESD lightning tube, a double-terminal withstand voltage body and a cage mesh grounding

[0065] Protective body structure; ESD lightning tube is used for rapid conduction protection against high-voltage static electricity and lightning transient high voltage; the double-terminal contact withstand voltage body is arranged outside the ESD lightning tube, the inner anti-breakdown shell contacts the outer package of the ESD lightning tube, the middle layer is provided with a transient high-voltage electric field shielding layer, and the outer layer is sleeved with a ceramic protective body to form high-voltage isolation protection between the components in the circuit; the transient high-voltage electric field shielding layer is provided with an electric field induction overlapping shielding electromagnetic fiber layer; when there is no transient high-voltage electric field inside, the electric field induction overlapping shielding electromagnetic fiber layer is arranged in a disordered manner; when a transient high-voltage electric field is generated inside, the electric field induction overlapping shielding electromagnetic fiber layer induces the transient high-voltage electric field and forms an overlapping shielding arrangement, shielding the transient high-voltage electric field and significantly reducing the impact of the transient high-voltage electric field on the external electric field sensitive circuit; the cage mesh grounding protective body is provided with an expansion cage mesh structure at the end of the grounding device, and is covered on the grounding part to deepen the layer; the connection surface and stability between the grounding device and the grounding part are significantly increased.

[0066] In one embodiment, the gate isolation module includes:

[0067] The high-frequency isolation inductor unit blocks high-frequency AC current and conducts DC current through an isolation inductor module group; the isolation inductor module group includes: a first inductor 561NH, a second inductor 561NH and a third inductor 561NH;

[0068] The AC conduction unit is controlled to conduct the AC current and isolate the large DC current through the capacitor module group; the capacitor module group includes: a first capacitor 102 , a second capacitor 102 , a third capacitor 102 and a fourth capacitor 102 .

[0069] The principle and effect of the above technical solution are: a selection isolation module, including: a high-frequency isolation inductor unit, which blocks high-frequency AC current and conducts DC current through an isolation inductor module group; the isolation inductor module group includes: a first inductor 561NH, a second inductor 561NH and a third inductor 561NH; a control AC conduction unit, which conducts and controls AC current and isolates large DC current through a capacitor module group; the capacitor module group includes: a first capacitor 102, a second capacitor 102, a third capacitor 102 and a fourth capacitor 102.

[0070] In one embodiment, the active and passive control amplification module includes:

[0071] The active and passive switch control unit controls the conduction and cutoff of the PIN diode module group through the active and passive switching control switch, controls the RF amplifier module group, switches between high and low gain, and reduces power loss;

[0072] The high signal-to-noise ratio operational amplifier unit is controlled by the RF amplifier module group to reduce power loss and improve the signal-to-noise ratio of the TV digital signal.

[0073] The principle and effect of the above technical solution are as follows: the active and passive control amplification module includes: an active and passive switch control unit, which controls the conduction and cutoff of the PIN diode module group through the active and passive switching control switch, controls the RF amplifier module group, switches between high and low gains, and reduces power loss; a high signal-to-noise ratio operational amplifier unit, which is controlled by the RF amplifier module group to reduce power loss and improve the signal-to-noise ratio of the TV digital signal; controls the conduction and cutoff of the PIN diode module group through the active and passive switching control switch, controls the RF amplifier module group, switches between high and low gains, and reduces power loss. The first PIN diode PIN1 and the second PIN diode are connected to each other when the active and passive switching control switch is controlled to a high level. The PIN 2 is in a cut-off state because the power is not turned on; the third PIN diode PIN3 and the fourth PIN diode PIN4 are powered on and in a conducting state, and the second RF amplifier 2 is also powered on and turned on, and the RF amplifier module group is in a high gain mode; by switching the active and passive control switch, when the control switch is at a low level, the first PIN diode PIN1 and the second PIN diode PIN2 are powered on and in a conducting state; the third PIN diode PIN3, the fourth PIN diode PIN4 and the second RF amplifier 2 do not work because the power is not turned on, and the RF amplifier module group is in a low gain mode; by switching between high and low gains, the power loss is greatly reduced.

[0074] The present invention provides a lightning protection and anti-static gain switching signal control method, comprising:

[0075] S100, anti-static and anti-lightning protection is performed by setting the lightning and electrostatic tube module group at the input and output ends of the radio frequency amplifier module group and the filter module group;

[0076] S200, providing a bias voltage for the PIN diode module group through the bias resistor module group to form a bias path for the RF amplifier module group;

[0077] S300 blocks high-frequency AC currents through the isolation inductor module group and isolates high DC currents through the capacitor module group;

[0078] S400, by controlling the conduction and cutoff of the PIN diode module group, the radio frequency amplifier module group is controlled to switch between high and low gain, thereby reducing power loss and improving the signal-to-noise ratio of the television digital signal.

[0079] The principle and effect of the above technical solution are as follows: the present invention provides a lightning protection and anti-static gain switching signal control method, comprising: providing anti-static and anti-lightning protection through lightning and static tube module groups at the input and output ends of the radio frequency amplifier module group and the filter module group; providing bias voltage for the PIN diode module group through the bias resistor module group to form a bias path for the radio frequency amplifier module group; blocking high-frequency alternating current through the isolation inductor module group; isolating large direct current through the capacitor module group; controlling the conduction and cutoff of the PIN diode module group to control the radio frequency amplifier module group to switch between high and low gains, Reduce power loss and improve the signal-to-noise ratio of television digital signals; avoid damage caused by lightning or static electricity during actual use in digital communication op amp signal control systems; greatly reduce product defective rate; significantly reduce static soft breakdown; greatly reduce the probability of damage caused by fluctuations in production or during use, thereby improving product quality; provide anti-static and anti-lightning protection at the input and output ends of the system; provide a more reasonable bias path for the RF amplifier module group; more safely block high-frequency AC current and isolate large DC current; control the switching of RF amplifiers and system components to reduce power loss and improve the signal-to-noise ratio of television digital signals.

[0080] In one embodiment, S100 includes:

[0081] S101, a first integrated ESD lightning tube D1 is arranged at the input end of the first radio frequency amplifier 1 to perform front-end lightning and electrostatic protection on the first radio frequency amplifier 1;

[0082] S102, by placing a second integrated ESD lightning diode D2 at the output end of the first RF amplifier 1 and the input end of the second RF amplifier 2, the first RF amplifier 1 is protected from lightning and electrostatic discharge at the back end, and the second RF amplifier 2 is protected from lightning and electrostatic discharge at the front end;

[0083] S103, by using a third integrated ESD lightning tube D3, arranged at the output end of the second RF amplifier 2 and the input end of the filter module group, the output end of the second RF amplifier 2 is protected from back-end lightning and electrostatics, and the input end of the filter module group is protected from front-end lightning and electrostatics;

[0084] S104, deploying a fourth integrated ESD lightning tube D4 to the output end of the filter module group to perform rear-end lightning and electrostatic protection on the output end of the filter module group.

[0085] The principle and effect of the above technical solution are as follows: through the first integrated ESD lightning tube D1, it is arranged at the input end of the first RF amplifier 1 to perform front-end lightning and electrostatic protection on the first RF amplifier 1; through the second integrated ESD lightning tube D2, it is arranged at the output end of the first RF amplifier 1 and the input end of the second RF amplifier 2 to perform rear-end lightning and electrostatic protection on the first RF amplifier 1, and front-end lightning and electrostatic protection on the second RF amplifier 2; through the third integrated ESD lightning tube D3, it is arranged at the output end of the second RF amplifier 2 and the input end of the filter module group to protect the second RF amplifier 2 output end performs back-end lightning and electrostatic protection, and performs front-end lightning and electrostatic protection on the input end of the filter module group; through the fourth integrated ESD lightning tube D4, it is arranged to the output end of the filter module group, and the output end of the filter module group is protected from back-end lightning and electrostatic protection; the lightning and electrostatic tube module group includes: a first integrated ESD lightning tube D1, a second integrated ESD lightning tube D2, a third integrated ESD lightning tube D3, a fourth integrated ESD lightning tube D4, a high-voltage gas discharge tube and a transient heat dissipation packaging layer; the first integrated ESD lightning tube D1, the second integrated ESD lightning tube D2, the third integrated The positive terminals of the ESD lightning tube D3 and the fourth integrated ESD lightning tube D4 are grounded respectively, and the negative terminals of the other ends are electrically connected to the circuit connection points respectively; the high-voltage gas discharge tube is integrated and connected in parallel between the grounding points; the transient heat dissipation packaging layer encapsulates the ESD lightning tube and the high-voltage gas discharge tube, and performs instantaneous high-heat absorption and heat dissipation; the transient heat dissipation packaging layer includes: an inner packaging body 1101, an inner thermal conductor 1102, a dual-state hot and cold medium layer 1103 and an outer packaging body 1104; the inner packaging body encapsulates the ESD lightning tube and the high-voltage gas discharge tube; the inner thermal conductor covers the inner packaging body and is connected to the outer sealing body. The assembly forms a dual-state cold and hot medium layer with a dual-state cold and hot medium in the middle to seal the heat dissipation package; the dual-state cold and hot medium is initially in a condensed crystallized state; when transient high heat occurs in the ESD lightning tube and the high-voltage gas discharge tube, the transient high heat is quickly transmitted to the dual-state cold and hot medium layer, and the dual-state cold and hot medium is instantly heated from the condensed crystallized state to the supersaturated state, part of the heat is quickly absorbed into the supersaturated dual-state cold and hot medium, and another part of the heat is quickly conducted out and lost; after heat dissipation, the supersaturated dual-state cold and hot medium gradually cools down, and the condensed crystallized state is re-formed by controlling the crystal nucleus, and part of the absorbed heat is slowly released to avoid transient high temperature damage to components.

[0086] In one embodiment, S200 includes:

[0087] S201, providing bias voltage to the PIN diode module group through the first bias resistor 511 and the second bias resistor 511 of the bias resistor module group respectively; the bias resistor module group includes: the first bias resistor 511 and the second bias resistor 511;

[0088] S202, a PIN diode module group cooperates with a first bias resistor 511 and a second bias resistor 511 to form a bias path of a radio frequency amplifier module group; the PIN diode module group includes: a first PIN diode PIN1, a second PIN diode PIN2, a third PIN diode PIN3 and a fourth PIN diode PIN4.

[0089] The principle and effect of the above technical solution are: the bias voltage is provided to the PIN diode module group through the first bias resistor 511 and the second bias resistor 511 of the bias resistor module group respectively; the bias resistor module group includes: the first bias resistor 511 and the second bias resistor 511; the PIN diode module group cooperates with the first bias resistor 511 and the second bias resistor 511 to form a bias path of the RF amplifier module group; the PIN diode module group includes: the first PIN diode PIN1, the second PIN diode PIN2, the third PIN diode PIN3 and the fourth PIN diode PIN4; the PIN diode module group is set as an ESD lightning tube, a double-terminal withstand voltage body and a cage mesh grounding protection body structure; the ESD lightning tube is used to quickly conduct high-voltage static electricity and lightning instantaneous high voltage Protection: A double-terminal voltage-resistant body is arranged outside the ESD lightning tube, the inner anti-breakdown shell contacts the outer package of the ESD lightning tube, the middle layer is provided with an instantaneous high-voltage electric field shielding layer, and the outer layer is sleeved with a ceramic protective body to form high-voltage isolation protection between the components in the circuit; an electric field induction overlapping shielding electromagnetic fiber layer is provided in the instantaneous high-voltage electric field shielding layer; when there is no instantaneous high-voltage electric field inside, the electric field induction overlapping shielding electromagnetic fiber layer is arranged disorderly; when an instantaneous high-voltage electric field is generated inside, the electric field induction overlapping shielding electromagnetic fiber layer induces the instantaneous high-voltage electric field and forms an overlapping shielding arrangement, which shields the instantaneous high-voltage electric field and significantly reduces the impact of the instantaneous high-voltage electric field on external electric field sensitive circuits; the cage mesh grounding protection body is provided with an expansion cage mesh structure at the end of the grounding device, and is covered on the grounding part to deepen the layer; the connection surface and stability between the grounding device and the grounding part are significantly increased.

[0090] In one embodiment, S300 includes:

[0091] S301, blocking high-frequency AC current and conducting DC current through an isolation inductor module group; the isolation inductor module group includes: a first inductor 561NH, a second inductor 561NH and a third inductor 561NH;

[0092] S302 , conducting and controlling the alternating current and isolating the large direct current through the capacitor module group; the capacitor module group includes: a first capacitor 102 , a second capacitor 102 , a third capacitor 102 and a fourth capacitor 102 .

[0093] The principle and effect of the above technical solution are: through the isolation inductor module group, high-frequency AC current is blocked and DC current is conducted; the isolation inductor module group includes: a first inductor 561NH, a second inductor 561NH and a third inductor 561NH; through the capacitor module group, the AC current is conducted and the large DC current is isolated; the capacitor module group includes: a first capacitor 102, a second capacitor 102, a third capacitor 102 and a fourth capacitor 102.

[0094] In one embodiment, S400 includes:

[0095] S401, controlling the conduction and cutoff of the PIN diode module group through the active and passive switching control switch, controlling the radio frequency amplifier module group, switching between high and low gain, and reducing power loss;

[0096] S402, reducing power loss and improving the signal-to-noise ratio of the television digital signal through control of the radio frequency amplifier module group.

[0097] The principle and effect of the above technical solution are: through the active and passive switching control switch, the PIN diode module group is controlled to be turned on and off, and the RF amplifier module group is controlled to switch between high and low gains to reduce power loss; through the RF amplifier module group, the power loss is reduced and the signal-to-noise ratio of the TV digital signal is improved; through the active and passive switching control switch, the PIN diode module group is controlled to be turned on and off, and the RF amplifier module group is controlled to switch between high and low gains to reduce power loss. The active and passive switching control switch is used to control the switch to a high level, and the first PIN diode PIN1 and the second PIN diode PIN2 are in a state where they are not powered on. The third PIN diode PIN3 and the fourth PIN diode PIN4 are powered on and are in the on state. At the same time, the second RF amplifier 2 is also powered on and turned on, and the RF amplifier module group is in the high gain mode. By switching the active and passive control switch, when the control switch is at a low level, the first PIN diode PIN1 and the second PIN diode PIN2 are powered on and are in the on state. The third PIN diode PIN3, the fourth PIN diode PIN4 and the second RF amplifier 2 are not powered on and do not work, and the RF amplifier module group is in the low gain mode. By switching between high and low gains, the power loss is greatly reduced.

[0098] Although the embodiments of the present invention have been disclosed as above, they are not limited to the applications listed in the specification and the implementation methods. They can be fully applied to various fields suitable for the present invention. For those familiar with the art, additional modifications can be easily implemented. Therefore, without departing from the general concept defined by the claims and the scope of equivalents, the present invention is not limited to the specific details and the illustrations shown and described herein.

Claims

1. A lightning protection and anti-static gain switching signal control system, characterized in that: include: The lightning and electrostatic tube protection module is set at the input and output ends of the RF amplifier module group and the filter module group through the lightning and electrostatic tube module group to provide anti-static and anti-lightning protection; The bias module is triggered to provide a bias voltage to the PIN diode module group through the bias resistor module group, thereby forming a bias path for the RF amplifier module group; The isolation module is gated to block high-frequency AC current through the isolation inductor module group and isolate high DC current through the capacitor module group; The active and passive control amplifier module controls the conduction and cutoff of the PIN diode module group, controls the RF amplifier module group, switches between high and low gains, reduces power loss and improves the signal-to-noise ratio of the TV digital signal.

2. A lightning protection and anti-static gain switching signal control system according to claim 1, characterized in that: Lightning and electrostatic protection module, including: The operational amplifier input lightning electrostatic protection unit is arranged at the input end of the first RF amplifier 1 through the first integrated ESD lightning tube D1 to perform front-end lightning and electrostatic protection on the first RF amplifier 1; The lightning electrostatic protection unit in the middle of the operational amplifier is arranged at the output end of the first RF amplifier 1 and the input end of the second RF amplifier 2 through the second integrated ESD lightning diode D2, and performs back-end lightning and electrostatic protection on the first RF amplifier 1, and performs front-end lightning and electrostatic protection on the second RF amplifier 2; The operational amplifier output lightning electrostatic protection unit is arranged to the output end of the second RF amplifier 2 and the input end of the filter module group through the third integrated ESD lightning tube D3, and performs rear-end lightning and electrostatic protection on the output end of the second RF amplifier 2, and performs front-end lightning and electrostatic protection on the input end of the filter module group; The filter output lightning electrostatic protection unit is arranged at the output end of the filter module group through the fourth integrated ESD lightning tube D4, and performs back-end lightning and electrostatic protection on the output end of the filter module group.

3. A lightning protection and anti-static gain switching signal control system according to claim 1, characterized in that: Trigger bias module, including: The bias resistor configuration unit provides bias voltage for the PIN diode module group through the first bias resistor 511 and the second bias resistor 511 of the bias resistor module group; the bias resistor module group includes: the first bias resistor 511 and the second bias resistor 511; The switch group configuration unit forms a bias path of the RF amplifier module group through the PIN diode module group, the first bias resistor 511 and the second bias resistor 511; the PIN diode module group includes: a first PIN diode PIN1, a second PIN diode PIN2, a third PIN diode PIN3 and a fourth PIN diode PIN4.

4. A lightning protection and anti-static gain switching signal control system according to claim 1, characterized in that: Gate isolation module, including: The high-frequency isolation inductor unit blocks high-frequency AC current and conducts DC current through an isolation inductor module group; the isolation inductor module group includes: a first inductor 561NH, a second inductor 561NH and a third inductor 561NH; The AC conduction unit is controlled to conduct the AC current and isolate the large DC current through the capacitor module group; the capacitor module group includes: a first capacitor 102 , a second capacitor 102 , a third capacitor 102 and a fourth capacitor 102 .

5. A lightning protection and anti-static gain switching signal control system according to claim 1, characterized in that: Active and passive control amplifier module, including: The active and passive switch control unit controls the conduction and cutoff of the PIN diode module group through the active and passive switching control switch, controls the RF amplifier module group, switches between high and low gain, and reduces power loss; The high signal-to-noise ratio operational amplifier unit is controlled by the RF amplifier module group to reduce power loss and improve the signal-to-noise ratio of the TV digital signal.

6. A lightning protection and anti-static gain switching signal control method, characterized in that: include: S100, anti-static and anti-lightning protection is performed by setting the lightning and electrostatic tube module group at the input and output ends of the radio frequency amplifier module group and the filter module group; S200, providing a bias voltage for the PIN diode module group through the bias resistor module group to form a bias path for the RF amplifier module group; S300 blocks high-frequency AC currents through the isolation inductor module group and isolates high DC currents through the capacitor module group; S400, by controlling the conduction and cutoff of the PIN diode module group, the radio frequency amplifier module group is controlled to switch between high and low gain, thereby reducing power loss and improving the signal-to-noise ratio of the television digital signal.

7. A lightning protection and anti-static gain switching signal control method according to claim 6, characterized in that: S100 includes: S101, a first integrated ESD lightning tube D1 is arranged at the input end of the first radio frequency amplifier 1 to perform front-end lightning and electrostatic protection on the first radio frequency amplifier 1; S102, by placing a second integrated ESD lightning diode D2 at the output end of the first RF amplifier 1 and the input end of the second RF amplifier 2, the first RF amplifier 1 is protected from lightning and electrostatic discharge at the back end, and the second RF amplifier 2 is protected from lightning and electrostatic discharge at the front end; S103, by using a third integrated ESD lightning tube D3, arranged at the output end of the second RF amplifier 2 and the input end of the filter module group, the output end of the second RF amplifier 2 is protected from back-end lightning and electrostatics, and the input end of the filter module group is protected from front-end lightning and electrostatics; S104, deploying a fourth integrated ESD lightning tube D4 to the output end of the filter module group to perform rear-end lightning and electrostatic protection on the output end of the filter module group.

8. A lightning protection and anti-static gain switching signal control method according to claim 6, characterized in that: S200 includes: S201, providing bias voltage to the PIN diode module group through the first bias resistor 511 and the second bias resistor 511 of the bias resistor module group respectively; the bias resistor module group includes: the first bias resistor 511 and the second bias resistor 511; S202, a PIN diode module group cooperates with a first bias resistor 511 and a second bias resistor 511 to form a bias path of a radio frequency amplifier module group; the PIN diode module group includes: a first PIN diode PIN1, a second PIN diode PIN2, a third PIN diode PIN3 and a fourth PIN diode PIN4.

9. A lightning protection and anti-static gain switching signal control method according to claim 6, characterized in that: S300 includes: S301, blocking high-frequency AC current and conducting DC current through an isolation inductor module group; the isolation inductor module group includes: a first inductor 561NH, a second inductor 561NH and a third inductor 561NH; S302 , conducting and controlling the alternating current and isolating the large direct current through the capacitor module group; the capacitor module group includes: a first capacitor 102 , a second capacitor 102 , a third capacitor 102 and a fourth capacitor 102 .

10. A lightning protection and anti-static gain switching signal control method according to claim 6, characterized in that: S400 includes: S401, controlling the conduction and cutoff of the PIN diode module group through the active and passive switching control switch, controlling the radio frequency amplifier module group, switching between high and low gain, and reducing power loss; S402, reducing power loss and improving the signal-to-noise ratio of the television digital signal through control of the radio frequency amplifier module group.

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