L-band straight-through frequency conversion multifunctional assembly
By designing the L-band direct-frequency conversion multifunctional components, using cyclic devices, filters, amplifiers and other components, the frequency band switching of the L-band pre-transmission and reception components is realized, solving the problem of the inability to achieve direct-through and frequency conversion mode switching in the existing technology, and improving the flexibility and performance of frequency band switching.
Patent Information
- Application Number
- CN202422612519.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-29
- Publication Date
- 2025-08-26
- Estimated Expiration
- 2034-10-29
AI Technical Summary
The existing L-band pre-transmitting and receiving component design cannot realize the switching of the direct-through and frequency conversion modes of the communication frequency band.
The L-band direct frequency conversion multi-functional components are adopted, including the upper box body, the lower box body, the mounting bump, the L-band RF module, the power amplifier unit and the frequency conversion direct unit. The frequency band switching is achieved through the combination of components such as circulator, filter, amplifier, and mixer.
The switching of the direct-through and frequency conversion modes of the communication frequency band is realized. The intermediate frequency input power of the power amplifier unit is -15dBm, the maximum linear output power of the RF transmission is >40dBm, the operating frequency of the variable frequency through unit is 960-1215MHz, the gain is -5~40dB, the adjustable accuracy is <0.5dB, and it supports the 960~1015MHz frequency conversion mode and the 1045~1215MHz direct-through mode.
Smart Images
Figure CN223274115U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of electronic communications, in particular to an L-band direct-through frequency conversion multifunctional component. Background Art
[0002] The L-band transceiver front-end component refers to the transceiver front-end component working in the L-band, which is mainly responsible for receiving and transmitting signals.
[0003] Most existing L-band transceiver front-end designs use frequency conversion or RF front-end methods, which cannot achieve switching between direct and frequency conversion modes of the communication frequency band. Utility Model Content
[0004] The purpose of the present utility model is to provide an L-band direct-through frequency conversion multifunctional component, aiming to solve the technical problem that the design of L-band transceiver front-end components in the existing technology mostly adopts frequency conversion or radio frequency front-end methods, and cannot realize the switching of direct-through and frequency conversion modes of the communication frequency band.
[0005] To achieve the above-mentioned purpose, the utility model adopts an L-band direct-through frequency conversion multifunctional component, including an upper box body, a lower box body and a plurality of mounting protrusions, the upper box body is arranged on the lower box body, and the plurality of mounting protrusions are all arranged on the lower box body, each of the mounting protrusions is provided with a mounting hole, and an L-band RF module is installed between the upper box body and the lower box body, the L-band RF module includes a frequency conversion direct-through unit, a power amplifier unit, an input signal XS1, an output signal XS2 and an output signal XS3, the power amplifier unit is connected to the input signal XS1, the frequency conversion direct-through unit is connected to the power amplifier unit, and the output signal XS2 and the output signal XS3 are both connected to the frequency conversion direct-through unit.
[0006] In which, the power amplifier unit includes a circulator, a first filter, a second filter, a first amplifier, a second amplifier and a third amplifier. The circulator is connected to the input signal XS1, the first filter is connected to the circulator, the first amplifier is arranged between the first filter and the second amplifier, the second filter is arranged between the second amplifier and the third amplifier, and the frequency conversion pass-through units are connected to the third amplifier and the circulator.
[0007] Wherein, the frequency conversion pass-through unit includes a limiter, a third filter, a fourth filter, a fifth filter, a sixth filter, a seventh filter, an eighth filter, a ninth filter, a tenth filter, an eleventh filter, a twelfth filter, a fourth amplifier, a first single-pole switch, a second single-pole switch, a fifth amplifier, a digitally controlled attenuator ATT0, a third single-pole switch, a digitally controlled attenuator ATT1, a first mixer, a digitally controlled attenuator ATT2, a sixth amplifier, a fourth single-pole switch, a seventh amplifier, an equalizer A, a digitally controlled attenuator ATT3, a fifth single-pole switch, an eighth amplifier, a digitally controlled attenuator ATT4, a digitally controlled attenuator ATT5, a digitally controlled attenuator ATT6, a second mixer, a sixth single-pole switch, an equalizer B and a ninth amplifier;
[0008] The limiter is connected to the circulator, the third filter is arranged between the limiter and the fourth amplifier, the first single-pole switch is connected to the third filter, the fifth amplifier is arranged between the first single-pole switch and the second single-pole switch, the digitally controlled attenuator ATT0 is arranged between the second single-pole switch and the third single-pole switch, the fourth filter is connected to the third single-pole switch, the digitally controlled attenuator ATT1 is connected to the fourth filter, the first mixer is connected to the digitally controlled attenuator ATT1, the digitally controlled attenuator ATT2 is connected to the first mixer, the sixth filter is connected to the digitally controlled attenuator ATT2, the sixth amplifier is arranged between the sixth filter and the seventh filter, the fifth filters are both connected to the third single-pole switch and the fourth single-pole switch, the seventh amplifier is arranged between the fourth single-pole switch and the eighth filter, and the eighth filter is connected to the output signal SX2 through the equalizer A and the digitally controlled attenuator ATT3;
[0009] The fifth single-pole switch is connected to the third amplifier, the ninth filter is arranged between the fifth single-pole switch and the eighth amplifier, the eighth amplifier is connected to the second mixer through the tenth filter and the digitally controlled attenuator ATT4, the digitally controlled attenuator ATT5 is arranged between the second mixer and the sixth single-pole switch, the digitally controlled attenuator ATT6 is connected to both the fifth single-pole switch and the sixth single-pole switch, the eleventh filter is connected to the sixth single-pole switch, the equalizer B is connected to the eleventh filter, the equalizer is connected to the output signal XS3 through the ninth amplifier and the twelfth filter, and the first mixer is connected to the second mixer through a connecting unit.
[0010] Wherein, the connection unit includes two thirteenth filters, two tenth amplifiers, a seventh single-pole switch and a PLL, the two thirteenth filters are respectively connected to the first mixer and the second mixer, the two tenth amplifiers are respectively connected to the corresponding thirteenth filters, the two tenth amplifiers are connected through the seventh single-pole switch, and the PLL is connected to the seventh single-pole switch.
[0011] Wherein, a plurality of heat dissipation fins are also provided on the lower box body.
[0012] Wherein, the number of the mounting protrusions and the number of the mounting holes are both four.
[0013] The utility model discloses an L-band direct-through frequency conversion multifunctional component, wherein the power amplifier unit can achieve an intermediate frequency input power of -15dBm and a maximum linear output power of RF transmission of >40dBm. The frequency conversion direct-through unit can achieve an operating frequency of 960-1215MHz, a gain of -5 to 40dB, and an adjustable accuracy of <0.5dB. It can also achieve segmented operating frequency, with a frequency conversion mode of 960 to 1015MHz and a direct-through working mode of 1045 to 1215MHz. The L-band direct-through frequency conversion multifunctional component of the utility model has an operating frequency band of 960-1215MHz and an output frequency of 1045-1215MHz. The receiving power range is -100dBm to 0dBm; the receiving link gain is -5 to 40dB, and the adjustable accuracy is <3dB. The maximum linear output power of RF transmission is >40dBm. The present invention can realize the switching between the direct-through and variable-frequency modes of the communication frequency band and verify the algorithm; in addition, it provides the ability to transmit a 20W signal on a single link to verify the communication link. In this way, it solves the technical problem that the design of the L-band transceiver front-end components in the prior art mostly adopts the method of frequency conversion or radio frequency front-end and cannot realize the switching between the direct-through and variable-frequency modes of the communication frequency band. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.
[0015] Figure 1 It is a structural diagram of the L-band direct-through frequency conversion multifunctional component of the present utility model.
[0016] Figure 2 This is the main view of the L-band direct-through frequency conversion multifunctional component of the present invention.
[0017] Figure 3This is a circuit principle diagram of the L-band direct-through frequency conversion multifunctional component of the utility model.
[0018] Figure 4 This is a connection diagram of the L-band direct-through frequency conversion multifunctional component of the utility model.
[0019] 101 - upper box body, 102 - lower box body, 103 - mounting protrusion, 104 - mounting hole, 105 - heat sink fin. DETAILED DESCRIPTION
[0020] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but should not be understood as limiting the present invention.
[0021] See also Figures 1 to 4 ,in Figure 1 This is a structural diagram of the L-band direct-through frequency conversion multifunctional component of the utility model. Figure 2 This is the main view of the L-band direct-through frequency conversion multifunctional component of the utility model. Figure 3 This is the circuit principle diagram of the L-band direct-through frequency conversion multifunctional component of the utility model. Figure 4 This is a connection diagram of the L-band direct-through frequency conversion multifunctional component of the utility model.
[0022] The utility model provides an L-band direct-through frequency conversion multifunctional component, including an upper box body 101, a lower box body 102 and a plurality of mounting protrusions 103, wherein the upper box body 101 is arranged on the lower box body 102, and the plurality of mounting protrusions 103 are all arranged on the lower box body 102, and each mounting protrusion 103 is provided with a mounting hole 104, and an L-band radio frequency module is installed between the upper box body 101 and the lower box body 102, and the L-band radio frequency module includes a frequency conversion direct-through unit, a power amplifier unit, an input signal XS1, an output signal XS2 and an output signal XS3, the power amplifier unit is connected to the input signal XS1, the frequency conversion direct-through unit is connected to the power amplifier unit, and the output signal XS2 and the output signal XS3 are both connected to the frequency conversion direct-through unit;
[0023] The power amplifier unit includes a circulator, a first filter, a second filter, a first amplifier, a second amplifier and a third amplifier. The circulator is connected to the input signal XS1, the first filter is connected to the circulator, the first amplifier is arranged between the first filter and the second amplifier, the second filter is arranged between the second amplifier and the third amplifier, and the frequency conversion pass-through unit is connected to the third amplifier and the circulator;
[0024] The frequency conversion pass-through unit includes a limiter, a third filter, a fourth filter, a fifth filter, a sixth filter, a seventh filter, an eighth filter, a ninth filter, a tenth filter, an eleventh filter, a twelfth filter, a fourth amplifier, a first single-pole switch, a second single-pole switch, a fifth amplifier, a digitally controlled attenuator ATT0, a third single-pole switch, a digitally controlled attenuator ATT1, a first mixer, a digitally controlled attenuator ATT2, a sixth amplifier, a fourth single-pole switch, a seventh amplifier, an equalizer A, a digitally controlled attenuator ATT3, a fifth single-pole switch, an eighth amplifier, a digitally controlled attenuator ATT4, a digitally controlled attenuator ATT5, a digitally controlled attenuator ATT6, a second mixer, a sixth single-pole switch, an equalizer B and a ninth amplifier;
[0025] The limiter is connected to the circulator, the third filter is arranged between the limiter and the fourth amplifier, the first single-pole switch is connected to the third filter, the fifth amplifier is arranged between the first single-pole switch and the second single-pole switch, the digitally controlled attenuator ATT0 is arranged between the second single-pole switch and the third single-pole switch, the fourth filter is connected to the third single-pole switch, the digitally controlled attenuator ATT1 is connected to the fourth filter, the first mixer is connected to the digitally controlled attenuator ATT1, the digitally controlled attenuator ATT2 is connected to the first mixer, the sixth filter is connected to the digitally controlled attenuator ATT2, the sixth amplifier is arranged between the sixth filter and the seventh filter, the fifth filters are both connected to the third single-pole switch and the fourth single-pole switch, the seventh amplifier is arranged between the fourth single-pole switch and the eighth filter, and the eighth filter is connected to the output signal SX2 through the equalizer A and the digitally controlled attenuator ATT3;
[0026] The fifth single-pole switch is connected to the third amplifier, the ninth filter is arranged between the fifth single-pole switch and the eighth amplifier, the eighth amplifier is connected to the second mixer via the tenth filter and the digitally controlled attenuator ATT4, the digitally controlled attenuator ATT5 is arranged between the second mixer and the sixth single-pole switch, the digitally controlled attenuator ATT6 is connected to both the fifth single-pole switch and the sixth single-pole switch, the eleventh filter is connected to the sixth single-pole switch, the equalizer B is connected to the eleventh filter, the equalizer is connected to the output signal XS3 via the ninth amplifier and the twelfth filter, and the first mixer is connected to the second mixer via a connecting unit;
[0027] The connection unit includes two thirteenth filters, two tenth amplifiers, a seventh single-pole switch, and a PLL, the two thirteenth filters are respectively connected to the first mixer and the second mixer, the two tenth amplifiers are respectively connected to the corresponding thirteenth filters, the two tenth amplifiers are connected via the seventh single-pole switch, and the PLL is connected to the seventh single-pole switch;
[0028] The number of the mounting protrusions 103 and the number of the mounting holes 104 are both four.
[0029] For this specific embodiment, the power amplifier unit can achieve an intermediate frequency input power of -15dBm and a maximum linear output power of RF transmission of >40dBm. The frequency conversion pass-through unit can achieve an operating frequency of 960-1215MHz, a gain of -5 to 40dB, and an adjustable accuracy of <0.5dB. It can also achieve segmented operating frequency, 960 to 1015MHz frequency conversion mode, and 1045 to 1215MHz as a pass-through working mode. The L-band pass-through frequency conversion multifunctional component of the present invention has an operating frequency band of 960-1215MHz and an output frequency of 1045-1215MHz. The receiving power range is -100dBm to 0dBm; the receiving link gain is -5 to 40dB, and the adjustable accuracy is <3dB. The maximum linear output power of RF transmission is >40dBm. The present invention can realize the switching between the direct-through and variable-frequency modes of the communication frequency band and verify the algorithm; in addition, it provides the ability to transmit a 20W signal on a single link to verify the communication link. In this way, it solves the technical problem that the design of the L-band transceiver front-end components in the prior art mostly adopts the method of frequency conversion or radio frequency front-end and cannot realize the switching between the direct-through and variable-frequency modes of the communication frequency band.
[0030] The lower box body 102 is further provided with a plurality of heat dissipation fins 105 .
[0031] According to this specific embodiment, the heat dissipation fins 105 can dissipate heat for the L-band direct-through frequency conversion multifunctional component.
[0032] Using an L-band direct-through frequency conversion multifunctional component of the utility model, the power amplifier unit can achieve an intermediate frequency input power of -15dBm and a maximum linear output power of RF transmission of >40dBm. The frequency conversion direct-through unit can achieve an operating frequency of 960-1215MHz, a gain of -5 to 40dB, and an adjustable accuracy of <0.5dB. It can also achieve segmented operating frequency, with a frequency conversion mode of 960 to 1015MHz and a direct-through working mode of 1045 to 1215MHz. The L-band direct-through frequency conversion multifunctional component of the utility model has an operating frequency band of 960-1215MHz and an output frequency of 1045-1215MHz. The receiving power range is -100dBm to 0dBm; the receiving link gain is -5 to 40dB, and the adjustable accuracy is <3dB. The maximum linear output power of RF transmission is >40dBm. The present invention can realize the switching between the direct-through and variable-frequency modes of the communication frequency band and verify the algorithm; in addition, it provides the ability to transmit a 20W signal on a single link to verify the communication link. In this way, it solves the technical problem that the design of the L-band transceiver front-end components in the prior art mostly adopts the method of frequency conversion or radio frequency front-end and cannot realize the switching between the direct-through and variable-frequency modes of the communication frequency band.
[0033] The above disclosure is only a preferred embodiment of the present invention, and certainly cannot be used to limit the scope of rights of the present invention. Ordinary technicians in this field can understand that all or part of the processes of the above embodiment and equivalent changes made in accordance with the claims of the present invention are still within the scope of the utility model.
Claims
1. An L-band direct frequency conversion multifunctional component, characterized in that: It includes an upper box body, a lower box body and multiple mounting protrusions, the upper box body is arranged on the lower box body, the multiple mounting protrusions are all arranged on the lower box body, each of the mounting protrusions is provided with a mounting hole, an L-band RF module is installed between the upper box body and the lower box body, the L-band RF module includes a frequency conversion pass-through unit, a power amplifier unit, an input signal XS1, an output signal XS2 and an output signal XS3, the power amplifier unit is connected to the input signal XS1, the frequency conversion pass-through unit is connected to the power amplifier unit, and the output signal XS2 and the output signal XS3 are both connected to the frequency conversion pass-through unit.
2. The L-band direct frequency conversion multifunctional component according to claim 1, characterized in that: The power amplifier unit includes a circulator, a first filter, a second filter, a first amplifier, a second amplifier and a third amplifier. The circulator is connected to the input signal XS1, the first filter is connected to the circulator, the first amplifier is arranged between the first filter and the second amplifier, the second filter is arranged between the second amplifier and the third amplifier, and the frequency conversion pass-through unit is connected to the third amplifier and the circulator.
3. The L-band direct frequency conversion multifunctional component according to claim 2, characterized in that: The frequency conversion pass-through unit includes a limiter, a third filter, a fourth filter, a fifth filter, a sixth filter, a seventh filter, an eighth filter, a ninth filter, a tenth filter, an eleventh filter, a twelfth filter, a fourth amplifier, a first single-pole switch, a second single-pole switch, a fifth amplifier, a digitally controlled attenuator ATT0, a third single-pole switch, a digitally controlled attenuator ATT1, a first mixer, a digitally controlled attenuator ATT2, a sixth amplifier, a fourth single-pole switch, a seventh amplifier, an equalizer A, a digitally controlled attenuator ATT3, a fifth single-pole switch, an eighth amplifier, a digitally controlled attenuator ATT4, a digitally controlled attenuator ATT5, a digitally controlled attenuator ATT6, a second mixer, a sixth single-pole switch, an equalizer B and a ninth amplifier; The limiter is connected to the circulator, the third filter is arranged between the limiter and the fourth amplifier, the first single-pole switch is connected to the third filter, the fifth amplifier is arranged between the first single-pole switch and the second single-pole switch, the digitally controlled attenuator ATT0 is arranged between the second single-pole switch and the third single-pole switch, the fourth filter is connected to the third single-pole switch, the digitally controlled attenuator ATT1 is connected to the fourth filter, the first mixer is connected to the digitally controlled attenuator ATT1, the digitally controlled attenuator ATT2 is connected to the first mixer, the sixth filter is connected to the digitally controlled attenuator ATT2, the sixth amplifier is arranged between the sixth filter and the seventh filter, the fifth filters are both connected to the third single-pole switch and the fourth single-pole switch, the seventh amplifier is arranged between the fourth single-pole switch and the eighth filter, and the eighth filter is connected to the output signal SX2 through the equalizer A and the digitally controlled attenuator ATT3; The fifth single-pole switch is connected to the third amplifier, the ninth filter is arranged between the fifth single-pole switch and the eighth amplifier, the eighth amplifier is connected to the second mixer through the tenth filter and the digitally controlled attenuator ATT4, the digitally controlled attenuator ATT5 is arranged between the second mixer and the sixth single-pole switch, the digitally controlled attenuator ATT6 is connected to both the fifth single-pole switch and the sixth single-pole switch, the eleventh filter is connected to the sixth single-pole switch, the equalizer B is connected to the eleventh filter, the equalizer is connected to the output signal XS3 through the ninth amplifier and the twelfth filter, and the first mixer is connected to the second mixer through a connecting unit.
4. The L-band direct frequency conversion multifunctional component according to claim 3, characterized in that: The connection unit includes two thirteenth filters, two tenth amplifiers, a seventh single-pole switch and a PLL. The two thirteenth filters are respectively connected to the first mixer and the second mixer, the two tenth amplifiers are respectively connected to the corresponding thirteenth filters, the two tenth amplifiers are connected through the seventh single-pole switch, and the PLL is connected to the seventh single-pole switch.
5. The L-band direct frequency conversion multifunctional component according to claim 4, characterized in that: The lower box body is also provided with a plurality of heat dissipation fins.
6. The L-band direct frequency conversion multifunctional component according to claim 5, characterized in that: The number of the mounting protrusions and the number of the mounting holes are both four.