Radio frequency signal frequency conversion conditioning module
By designing the RF signal frequency conversion conditioning module, the coordinated work of adjustable attenuation circuit, filter circuit and amplifier circuit is solved, the problem of signal amplitude cannot be accurately controlled in the prior art is solved, and the signal frequency stability and selectivity are improved, and the signal quality is significantly improved.
Patent Information
- Application Number
- CN202420822552.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-19
- Publication Date
- 2025-03-25
- Estimated Expiration
- 2034-04-19
AI Technical Summary
The existing RF signal conversion technology cannot accurately control the signal amplitude, resulting in a decrease in signal frequency stability and selectivity, thereby reducing signal quality.
A radio frequency signal frequency conversion conditioning module is designed. Through the coordinated work of the first frequency conversion unit and the second frequency conversion unit, combined with an adjustable attenuation circuit, a filter circuit and an amplification circuit, the precise control of the signal amplitude is ensured and the frequency stability and selectivity of the signal are enhanced.
Accurate control of signal amplitude is achieved, the frequency stability and selectivity of the signal is improved, the signal quality is improved, and unnecessary harmonic and spurious signals are significantly reduced, and interference to other wireless communication systems is reduced.
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Figure CN222674308U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of radio frequency signal conditioning, in particular to a radio frequency signal frequency conversion conditioning module. Background Art
[0002] The RF signal frequency conversion and conditioning module is an indispensable component of modern wireless communication systems. This module plays a vital role in the signal chain. With the rapid development of wireless communication technology, the requirements for RF signal processing are becoming higher and higher, especially in terms of frequency, stability, harmonic suppression, spurious signal control, and precise control of signal amplitude. In order to meet these requirements, the design and implementation of the RF signal frequency conversion and conditioning module becomes particularly important.
[0003] In wireless communication systems, the signal generation module is responsible for generating modulated RF signals. These signals need to undergo a series of RF signal conditioning processes before transmission to ensure that the signal quality meets system requirements. The main task of the RF signal frequency conversion conditioning module is to select, filter, amplify and amplitude control these signals.
[0004] For more precise signal frequencies, the currently available RF signal frequency conversion technology cannot accurately control the signal amplitude, and the frequency stability and selectivity of the signal are reduced, resulting in a decrease in signal quality. Utility Model Content
[0005] The utility model proposes a radio frequency signal frequency conversion and conditioning module to solve the problem in the prior art that the signal amplitude cannot be accurately controlled, thereby causing a decrease in signal quality.
[0006] The utility model is realized by the following technical solutions:
[0007] A radio frequency signal frequency conversion and conditioning module, comprising a signal input terminal, a first frequency conversion unit, a second frequency conversion unit, and a signal output terminal;
[0008] The signal input end is connected to the signal input end of the first frequency conversion unit and the signal input end of the second frequency conversion unit respectively, the signal output end of the first frequency conversion unit is connected to the signal output end, and the signal output end of the second frequency conversion unit is connected to the signal output end.
[0009] Furthermore, the first frequency conversion unit is a 3MHz-4.4GHz frequency conversion unit, and the second frequency conversion unit is a 3.5GHz frequency conversion unit.
[0010] Further, the 3MHz-4.4GHz frequency conversion unit includes a first adjustable attenuation circuit, a first amplifying circuit, a first filtering circuit, a second adjustable attenuation circuit, a first radio frequency switching circuit, a second amplifying circuit, a first power amplifier circuit, a second radio frequency switching circuit, and a second filtering circuit connected in sequence;
[0011] Wherein, the first radio frequency switch circuit is connected to the second radio frequency switch circuit.
[0012] Further, the 3.5 GHz frequency conversion unit includes a third adjustable attenuation circuit, a mixing circuit, a third amplifying circuit, a fourth adjustable attenuation circuit, a third RF switch circuit, a fourth amplifying circuit, a second power amplifier, a fourth RF switch circuit, and a third filtering circuit connected in sequence;
[0013] Wherein, the third radio frequency switch circuit is connected to the fourth radio frequency switch circuit.
[0014] Further, the first adjustable attenuation circuit includes an attenuator U1;
[0015] The first amplifying circuit includes a comparator U2 and a bias tee U3;
[0016] The first filtering circuit includes a filter U4;
[0017] The second adjustable attenuation circuit includes an attenuator U5;
[0018] The first RF switch circuit includes a RF switch U6;
[0019] The second amplifier circuit includes a comparator U7 and a bias tee U8;
[0020] The first power amplifier circuit includes a power amplifier U9 and a bias tee U10;
[0021] The second RF switch circuit includes a RF switch U11;
[0022] The second filtering circuit includes a filter U12;
[0023] The attenuator U1 is electrically connected to the signal input end and the comparator U2 respectively, the comparator U2 is electrically connected to the bias tee U3, the bias tee U3 is electrically connected to the filter U4, the filter U4 is electrically connected to the attenuator U5, the attenuator U5 is electrically connected to the RF switch U6, the RF switch U6 is electrically connected to the comparator U7 and the RF switch U11 respectively, the comparator U7 is electrically connected to the bias tee U8, the bias tee U8 is electrically connected to the power amplifier U9, the power amplifier U9 is electrically connected to the bias tee U10, the bias tee U10 is electrically connected to the RF switch U11, the RF switch U11 is electrically connected to the filter U12, and the filter U12 is electrically connected to the signal output end.
[0024] Further, the third adjustable attenuation circuit includes a filter U13 and an attenuator U14;
[0025] The mixing circuit includes a mixer U15;
[0026] The third amplifying circuit includes an amplifier U16, a bias tee U17, and a filter U18;
[0027] The fourth adjustable attenuation circuit includes an attenuator U19;
[0028] The third RF switch circuit includes a RF switch U20;
[0029] The fourth amplifying circuit includes an amplifier U21 and a bias tee U22;
[0030] The second power amplifier includes a power amplifier U23 and a bias tee U24;
[0031] The fourth radio frequency switch circuit includes a radio frequency switch U25;
[0032] The third filtering circuit includes a filter U26;
[0033] The filter U13 is electrically connected to the signal input end and the attenuator U14 respectively, the attenuator U14 is electrically connected to the mixer U15, the mixer U15 is electrically connected to the amplifier U16, the amplifier U16 is electrically connected to the bias tee U17, the bias tee U17 is electrically connected to the filter U18, the filter U18 is electrically connected to the attenuator U19, the attenuator U19 is electrically connected to the RF switch U20, the RF switch U20 is electrically connected to the amplifier U21 and the RF switch U25 respectively, the amplifier U21 is electrically connected to the bias tee U22, the bias tee U22 is electrically connected to the power amplifier U23, the power amplifier U23 is electrically connected to the bias tee U24, the bias tee U24 is electrically connected to the RF switch U25, the RF switch U25 is electrically connected to the filter U26, and the filter U26 is electrically connected to the signal output end.
[0034] Beneficial effects of the utility model:
[0035] (1) The utility model proposes a radio frequency signal frequency conversion and conditioning module, which converts radio frequency signals of different frequency bands 3MHz-4.4GHz and 3.5GHz into 10MHz-6GHz through a first frequency conversion unit and a second frequency conversion unit. The module can cover a wide frequency range and is suitable for a variety of wireless communication applications;
[0036] (2) The radio frequency signal frequency conversion conditioning module proposed in the utility model ensures accurate control of the signal amplitude through an adjustable attenuation circuit, a filtering circuit and an amplifying circuit, thereby enhancing the frequency stability and selectivity of the signal and improving the overall quality of the signal;
[0037] (3) The RF signal frequency conversion and conditioning module proposed in the present invention significantly reduces unnecessary harmonics and spurious signals through filtering circuit design, reduces interference to other wireless communication systems, and improves the clarity and reliability of communication;
[0038] (4) The utility model proposes a radio frequency signal frequency conversion conditioning module, which enhances the output power of the signal through the use of an amplifier and a power amplifier, so that the signal can be transmitted over a longer distance and expand the coverage of the communication;
[0039] (5) The utility model proposes a radio frequency signal frequency conversion and conditioning module, which provides a stable bias voltage for the amplifier and other circuits through a bias tee, thereby ensuring the continuous and normal operation of the system and enhancing the reliability and stability of the system.
[0040] (6) The utility model proposes a radio frequency signal frequency conversion and conditioning module, which realizes efficient frequency up-conversion and down-conversion through the integration of a mixing circuit, ensures that the signal can be accurately converted to the target frequency band, and improves the efficiency of frequency conversion. BRIEF DESCRIPTION OF THE DRAWINGS
[0041] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. 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 creative labor.
[0042] Figure 1 This is an overall block diagram of a radio frequency signal frequency conversion and conditioning module proposed by the utility model;
[0043] Figure 2 This is a schematic diagram of a first adjustable attenuation circuit of a radio frequency signal frequency conversion and conditioning module proposed by the utility model;
[0044] Figure 3 This is a schematic diagram of a first amplifying circuit of a radio frequency signal frequency conversion and conditioning module proposed by the utility model;
[0045] Figure 4 This is a schematic diagram of a first filter circuit of a radio frequency signal frequency conversion and conditioning module proposed by the utility model;
[0046] Figure 5 This is a schematic diagram of a second adjustable attenuation circuit of a radio frequency signal frequency conversion and conditioning module proposed by the utility model;
[0047] Figure 6 This is a schematic diagram of a first radio frequency switch circuit of a radio frequency signal frequency conversion and conditioning module proposed by the utility model;
[0048] Figure 7 This is a schematic diagram of a second amplifying circuit of a radio frequency signal frequency conversion and conditioning module proposed by the utility model;
[0049] Figure 8 This is a schematic diagram of a first power amplifier circuit of a radio frequency signal frequency conversion and conditioning module proposed by the utility model;
[0050] Fig. 9 This is a schematic diagram of a second RF switch circuit of a RF signal frequency conversion and conditioning module proposed by the utility model;
[0051] Fig.10 This is a schematic diagram of a second filter circuit of a radio frequency signal frequency conversion and conditioning module proposed by the utility model;
[0052] Fig.11 This is a schematic diagram of a third adjustable attenuation circuit of a radio frequency signal frequency conversion and conditioning module proposed by the utility model;
[0053] Fig.12 This is a schematic diagram of a frequency mixing circuit of a radio frequency signal frequency conversion and conditioning module proposed by the utility model;
[0054] Fig.13 This is a schematic diagram of a third amplifying circuit of a radio frequency signal frequency conversion and conditioning module proposed by the utility model;
[0055] Fig.14 This is a schematic diagram of the fourth adjustable attenuation circuit of a radio frequency signal frequency conversion conditioning module proposed by the utility model
[0056] Fig.15 This is a schematic diagram of the third RF switch circuit of a RF signal frequency conversion and conditioning module proposed in the utility model.
[0057] Fig.16 This is a schematic diagram of a fourth amplifying circuit of a radio frequency signal frequency conversion and conditioning module proposed by the utility model;
[0058] Fig.17 This is a schematic diagram of the second power amplifier circuit of a radio frequency signal frequency conversion and conditioning module proposed by the utility model;
[0059] Fig.18 This is a fourth RF switch circuit schematic diagram of a RF signal frequency conversion and conditioning module proposed by the utility model;
[0060] Fig.19 This is a schematic diagram of a third filtering circuit of a radio frequency signal frequency conversion and conditioning module proposed by the utility model. DETAILED DESCRIPTION
[0061] In order to make the purpose, technical solutions and advantages of the utility model more clearly understood, the utility model is further described in detail below in conjunction with embodiments and drawings. The schematic implementation manner of the utility model and its description are only used to explain the utility model and are not intended to limit the utility model.
[0062] Example 1
[0063] refer to Figure 1-Figure 18 , a radio frequency signal frequency conversion and conditioning module proposed in this embodiment includes a signal input terminal, a first frequency conversion unit, a second frequency conversion unit, and a signal output terminal;
[0064] The signal input end is connected to the signal input end of the first frequency conversion unit and the signal input end of the second frequency conversion unit respectively, the signal output end of the first frequency conversion unit is connected to the signal output end, and the signal output end of the second frequency conversion unit is connected to the signal output end.
[0065] In this embodiment, the first frequency conversion unit is a 3MHz-4.4GHz frequency conversion unit, and the second frequency conversion unit is a 3.5GHz frequency conversion unit.
[0066] The 3MHz-4.4GHz frequency conversion unit includes a first adjustable attenuation circuit, a first amplifying circuit, a first filtering circuit, a second adjustable attenuation circuit, a first RF switch circuit, a second amplifying circuit, a first power amplifier circuit, a second RF switch circuit, and a second filtering circuit connected in sequence; wherein the first adjustable attenuation circuit includes an attenuator U1 with a model number of PE43610A-X, the first amplifying circuit includes a comparator U2 with a model number of HMC589AST89E and a bias tee U3 with a model number of TCBT-14+, the first filtering circuit includes a filter U4 with a model number of LFCG-4800+, and the second adjustable The attenuation adjustment circuit includes an attenuator U5, the first RF switch circuit includes an RF switch U6 of model HMC1118LP3DE, the second amplification circuit includes a comparator U7 of model HMC589AST89E and a bias tee U8 of model TCBT-14+, the first power amplifier circuit includes a power amplifier U9 of model HMC637BPM5E and a bias tee U10 of model RCBT-63+, the second RF switch circuit includes an RF switch U11 of model HMC1118LP3DE, and the second filtering circuit includes a filter U12 of model LFCG-4800+;
[0067] Specifically, the 5th pin of the attenuator U1 is connected to one end of the capacitor C12, the other end of the capacitor C12 is connected to the 3MHz-4.4GHz signal input end, and the 14th pin of the attenuator U1 is connected to one end of the capacitor C13;
[0068] The other end of the capacitor C13 is connected to the signal input end of the comparator U2, the signal output end of the comparator U2 is connected to the 1st pin of the bias tee U3, the 3rd pin of the bias tee U3 is respectively connected to the capacitor C105, the capacitor C104, one end of the capacitor C103, and one end of the resistor R36, the 2nd pin of the bias tee U3 is respectively connected to one end of the resistor R19 and one end of the resistor R18, and the other end of the resistor R18 is connected to one end of the resistor R20;
[0069] The other end of resistor R18 is connected to pin 8 of filter U4;
[0070] Pin 4 of filter U4 is connected to pin 5 of attenuator U5;
[0071] Pin 14 of attenuator U5 is connected to one end of capacitor C16, the other end of capacitor C16 is connected to pin 3 of RF switch U6, pin 7 of RF switch U6 is connected to one end of capacitor C37, pin 14 of RF switch U6 is connected to one end of capacitor C17, the other end of capacitor C17 is connected to pin 7 of RF switch U11;
[0072] One end of capacitor C37 is connected to the signal input end of comparator U7, the signal output end of comparator U7 is connected to pin 1 of bias tee U8, pin 3 of bias tee U8 is respectively connected to capacitor C108, capacitor C107, one end of capacitor C106, and one end of resistor R37, pin 2 of bias tee U8 is respectively connected to one end of resistor R29 and one end of resistor R28, and the other end of resistor R28 is connected to one end of resistor R30;
[0073] The other end of resistor R28 is connected to pin 5 of power amplifier U9, pin 21 of power amplifier U9 is connected to pin 4 of bias tee U10, and pin 1 of bias tee U10 is connected to one end of capacitor C8, capacitor C9, and capacitor C10 respectively;
[0074] Pin 3 of the bias tee U10 is connected to pin 14 of the RF switch U11, pin 3 of the RF switch U11 is connected to one end of a capacitor C19, the other end of the capacitor C19 is respectively connected to one end of a resistor R23 and one end of a resistor R21, and the other end of the resistor R21 is connected to one end of a resistor R24;
[0075] The other end of resistor R21 is connected to pin 8 of filter U12, pin 4 of filter U12 is respectively connected to one end of resistor R25 and one end of resistor R22, the other end of resistor R22 is respectively connected to one end of resistor R26 and one end of capacitor C22, the other end of capacitor C22 is connected to the signal output end, and the output signal frequency is 3MHz-4.4GHz.
[0076] The 3.5GHz frequency conversion unit includes a third adjustable attenuation circuit, a mixing circuit, a third amplifying circuit, a fourth adjustable attenuation circuit, a third RF switch circuit, a fourth amplifying circuit, a second power amplifier, a fourth RF switch circuit, and a third filtering circuit connected in sequence; wherein the third adjustable attenuation circuit includes a filter U13 of model LFCN-5500+ and an attenuator U14 of model PE43610A-X, the mixing circuit includes a mixer U15 of model LTC5553IUDB, the third amplifying circuit includes an amplifier U16 of model HMC8413LP2FE, a bias tee U17 of model TCBT-14+, and a filter U18 of model LFCN-5500+. U18, the fourth adjustable attenuation circuit includes an attenuator U19 of model PE43610A-X, the third RF switch circuit includes an RF switch U20 of model HMC1118LP3DE, the fourth amplification circuit includes an amplifier U21 of model HMC8413LP2FE and a bias tee U22 of model TCBT-14+, the second power amplifier includes an amplifier U23 of model HMC637BPM5E and a bias tee U24 of model RCBT-63+, the fourth RF switch circuit includes an RF switch U25 of model HMC1118LP3DE, and the third filtering circuit includes a filter U26 of model LFCN-5500+;
[0077] Specifically, pin 1 of the filter U13 is connected to one end of resistor R60 and one end of resistor R55, the other end of resistor R55 is respectively connected to one end of resistor R59 and one end of capacitor C54, the other end of resistor C54 is connected to the 3.5 GHz signal input end, pin 3 of the filter U13 is connected to pin 5 of attenuator U14, pin 14 of attenuator U14 is connected to one end of capacitor C50, the other end of capacitor C50 is connected to pin 2 of mixer U15, pin 5 of mixer U15 is respectively connected to one end of capacitor C61 and one end of capacitor C57, the other end of capacitor C57 is connected to pin 1 of a cavity filter with model JQ5000Y2000B, and pin 2 of the cavity filter is connected to one end of capacitor C59;
[0078] The other end of capacitor C59 is connected to pin 2 of amplifier U16, pin 5 of amplifier U16 is connected to pin 1 of bias tee U17, pin 3 of bias tee U17 is respectively connected to pin 1 of amplifier U16, one end of capacitor C109, and one end of capacitor C110, pin 2 of bias tee U17 is respectively connected to one end of resistor R65 and one end of resistor R58, the other end of resistor R58 is connected to resistor, the other end of resistor R58 is connected to one end of resistor R66 and pin 1 of filter U18;
[0079] Pin 3 of the filter U18 is connected to pin 5 of the attenuator U19, pin 14 of the attenuator U19 is connected to one end of the capacitor C63, the other end of the capacitor C63 is connected to pin 3 of the RF switch U20, pin 7 of the RF switch U20 is connected to one end of the capacitor C83, pin 14 of the RF switch U20 is connected to one end of the capacitor C64, the other end of the capacitor C64 is connected to pin 7 of the RF switch U25;
[0080] The other end of capacitor C83 is respectively connected to one end of inductor L2 and pin 2 of amplifier U21, the other end of inductor L2 is connected to one end of resistor R79, the other end of resistor R79 is connected to one end of capacitor C91, pin 5 of amplifier U21 is connected to pin 1 of bias tee U22, pin 3 of bias tee U22 is respectively connected to one end of capacitor C111, one end of capacitor C112 and pin 1 of amplifier U21, pin 2 of bias tee U22 is respectively connected to one end of resistor R76 and one end of resistor R75, the other end of resistor R75 is connected to one end of resistor R77;
[0081] The other end of the resistor R75 is connected to the 5th pin of the power amplifier U23, the 21st pin of the power amplifier U23 is connected to the 4th pin of the bias tee U24, and the 1st pin of the bias tee U24 is connected to one end of the capacitor C29, the capacitor C31, and the capacitor C32 respectively;
[0082] Pin 3 of the bias tee U24 is connected to pin 14 of the RF switch U25, pin 3 of the RF switch U25 is connected to one end of a capacitor C66, the other end of the capacitor C66 is respectively connected to one end of a resistor R70 and one end of a resistor R68, and the other end of the resistor R68 is connected to one end of a resistor R71;
[0083] The other end of resistor R71 is connected to pin 1 of filter U26, pin 3 of filter U26 is respectively connected to one end of resistor R72 and one end of resistor R69, the other end of resistor R69 is respectively connected to one end of resistor R73 and one end of capacitor C69, the other end of capacitor C69 is connected to the signal output end, and the output signal is 4GHz-6GHz.
[0084] Example 2
[0085] This embodiment proposes a functional principle of a radio frequency signal frequency conversion and conditioning module based on the first embodiment.
[0086] In this embodiment, through the coordinated work of the first frequency conversion unit and the second frequency conversion unit, the module can cover a wide band from 10MHz to 6GHz. The signal output frequency processed by the first frequency conversion unit is 3MHz~4.4GHz, and the signal output frequency of the second frequency conversion unit is 4GHz~6GHz. The combination of the two can achieve an output frequency range of 10MHz~6GHz.
[0087] In this embodiment, each communication center frequency can be set arbitrarily. Through the precise control of the adjustable attenuation circuit and the amplification circuit, and the fast switching capability of the RF switch circuit, the module can adapt to different communication center frequency settings and provide a signal output with a maximum instantaneous bandwidth of 200MHz.
[0088] In this embodiment, multiple adjustable attenuation circuits and filtering circuits can work independently to form multiple parallel channels for processing broadband interference signals, ensuring that each channel can independently process interference, so that the number of parallel channels for broadband interference signals is ≥6.
[0089] In this embodiment, through the control of the precise adjustable attenuation circuit and the RF switch circuit, the module can achieve fine tuning of the output frequency, with a step accuracy of 0.1 Hz.
[0090] In this embodiment, the high-performance filter in the filter circuit can effectively suppress harmonics, ensure the purity of the output signal, and the harmonic suppression reaches more than 50dBc.
[0091] In this embodiment, the design and selection of the filter circuit can significantly reduce stray signals, and the stray signal suppression can reach more than 50dBc, thereby ensuring signal quality.
[0092] In this embodiment, the design of the power amplifier circuit ensures that the output amplitude of the signal can meet the requirements of the communication system, and the output amplitude is at least 10 dBm.
[0093] In this embodiment, through the precise adjustment of the adjustable attenuation circuit, the module can control the output power of the signal within a wider power range, from -70dBm to +13dBm.
[0094] In this embodiment, the fine adjustment capability of the adjustable attenuation circuit allows the module to perform power control in 0.1 dB steps, thereby achieving precise power regulation.
[0095] In this embodiment, the output end of the module is designed to have a 50Ω impedance matching to ensure compatibility with standard radio frequency equipment and systems and reduce signal reflection and loss.
[0096] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and the description only illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.
Claims
1. A radio frequency signal frequency conversion and conditioning module, characterized in that: It includes a signal input terminal, a first frequency conversion unit, a second frequency conversion unit, and a signal output terminal; The signal input end is connected to the signal input end of the first frequency conversion unit and the signal input end of the second frequency conversion unit respectively, the signal output end of the first frequency conversion unit is connected to the signal output end, and the signal output end of the second frequency conversion unit is connected to the signal output end.
2. The RF signal frequency conversion and conditioning module according to claim 1, characterized in that: The first frequency conversion unit is a 3MHz-4.4GHz frequency conversion unit, and the second frequency conversion unit is a 3.5GHz frequency conversion unit.
3. The RF signal frequency conversion and conditioning module according to claim 2, characterized in that: The 3MHz-4.4GHz frequency conversion unit includes a first adjustable attenuation circuit, a first amplifying circuit, a first filtering circuit, a second adjustable attenuation circuit, a first radio frequency switching circuit, a second amplifying circuit, a first power amplifier circuit, a second radio frequency switching circuit, and a second filtering circuit connected in sequence; Wherein, the first radio frequency switch circuit is connected to the second radio frequency switch circuit.
4. The RF signal frequency conversion and conditioning module according to claim 2, characterized in that: The 3.5 GHz frequency conversion unit includes a third adjustable attenuation circuit, a mixing circuit, a third amplifying circuit, a fourth adjustable attenuation circuit, a third radio frequency switch circuit, a fourth amplifying circuit, a second power amplifier, a fourth radio frequency switch circuit, and a third filtering circuit connected in sequence; Wherein, the third radio frequency switch circuit is connected to the fourth radio frequency switch circuit.
5. The RF signal frequency conversion and conditioning module according to claim 3, characterized in that: The first adjustable attenuation circuit includes an attenuator U1; The first amplifying circuit includes a comparator U2 and a bias tee U3; The first filtering circuit includes a filter U4; The second adjustable attenuation circuit includes an attenuator U5; The first RF switch circuit includes a RF switch U6; The second amplifier circuit includes a comparator U7 and a bias tee U8; The first power amplifier circuit includes a power amplifier U9 and a bias tee U10; The second RF switch circuit includes a RF switch U11; The second filtering circuit includes a filter U12; The attenuator U1 is electrically connected to the signal input end and the comparator U2 respectively, the comparator U2 is electrically connected to the bias tee U3, the bias tee U3 is electrically connected to the filter U4, the filter U4 is electrically connected to the attenuator U5, the attenuator U5 is electrically connected to the RF switch U6, the RF switch U6 is electrically connected to the comparator U7 and the RF switch U11 respectively, the comparator U7 is electrically connected to the bias tee U8, the bias tee U8 is electrically connected to the power amplifier U9, the power amplifier U9 is electrically connected to the bias tee U10, the bias tee U10 is electrically connected to the RF switch U11, the RF switch U11 is electrically connected to the filter U12, and the filter U12 is electrically connected to the signal output end.
6. The radio frequency signal frequency conversion and conditioning module according to claim 4, characterized in that: The third adjustable attenuation circuit includes a filter U13 and an attenuator U14; The mixing circuit includes a mixer U15; The third amplifying circuit includes an amplifier U16, a bias tee U17, and a filter U18; The fourth adjustable attenuation circuit includes an attenuator U19; The third radio frequency switch circuit includes a radio frequency switch U20; The fourth amplifying circuit includes an amplifier U21 and a bias tee U22; The second power amplifier includes a power amplifier U23 and a bias tee U24; The fourth radio frequency switch circuit includes a radio frequency switch U25; The third filtering circuit includes a filter U26; The filter U13 is electrically connected to the signal input end and the attenuator U14 respectively, the attenuator U14 is electrically connected to the mixer U15, the mixer U15 is electrically connected to the amplifier U16, the amplifier U16 is electrically connected to the bias tee U17, the bias tee U17 is electrically connected to the filter U18, the filter U18 is electrically connected to the attenuator U19, the attenuator U19 is electrically connected to the RF switch U20, the RF switch U20 is electrically connected to the amplifier U21 and the RF switch U25 respectively, the amplifier U21 is electrically connected to the bias tee U22, the bias tee U22 is electrically connected to the power amplifier U23, the power amplifier U23 is electrically connected to the bias tee U24, the bias tee U24 is electrically connected to the RF switch U25, the RF switch U25 is electrically connected to the filter U26, and the filter U26 is electrically connected to the signal output end.
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