CN203896314U - L waveband radio-frequency power amplification module - Google Patents
L waveband radio-frequency power amplification module Download PDFInfo
- Publication number
- CN203896314U CN203896314U CN201420220514.3U CN201420220514U CN203896314U CN 203896314 U CN203896314 U CN 203896314U CN 201420220514 U CN201420220514 U CN 201420220514U CN 203896314 U CN203896314 U CN 203896314U
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- CN
- China
- Prior art keywords
- power amplifier
- amplification module
- pass filter
- frequency power
- power amplification
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses an L waveband radio-frequency power amplification module. The L waveband radio-frequency power amplification module comprises single-pole double-throw switching switches SP2T1 and SP2T2, band-pass filters BPF1, BPF2, BPF3 and BPF4 and power amplifiers PA1, PA2, PA3 and PA4. A first branch of the SP2T1, the BPF1, the PA1, the PA2, the BPF2 and a first branch of the SP2T2 are connected in sequence. A second branch of the SP2T1, the BPF3, the PA3, the PA4, the BPF4 and a second branch of the SP2T2 are connected in sequence. The L waveband radio-frequency power amplification module is small in size and flexible in structure.
Description
Technical field
The utility model relates to signal process field, relates in particular to a kind of L-band radio frequency power amplification module for triones navigation system transmitter.
Background technology
Power amplifier is the essential module of triones navigation system transmitter front ends, its performance directly affects operating distance and the positioning function of transmitter, existing power amplifier is Big Dipper single-frequency point amplifier, adopt three grades of amplifications to make gain reach 40dB, whole amplifier section volume is larger, circuits cascading is more, and traditional amplifier chip, self input and output impedance is lower, peripheral match circuit is complicated, debug difficulties, after multi-stage cascade, complexity strengthens, and has increased the unsteadiness under system long-term work state.Do not meet new product general, requirement reliably.
Utility model content
The purpose of this utility model is, a kind of L-band radio frequency power amplification module is provided, large to improve existing power amplifier module volume, the problem of peripheral circuit complexity.
The utility model discloses a kind of L-band radio frequency power amplification module, comprise single-pole double throw diverter switch SP2T1, SP2T2, band pass filter BPF1, BPF2, BPF3, BPF4, and power amplifier PA1, PA2, PA3, PA4; Above-mentioned
The first branch road of the first branch road of single-pole double throw diverter switch SP2T1, band pass filter BPF1, power amplifier PA1, PA2, band pass filter BPF2 and single-pole double throw diverter switch SP2T2 connects successively;
The second branch road of the second branch road of single-pole double throw diverter switch SP2T1, band pass filter BPF3, power amplifier PA3, PA4, band pass filter BPF4 and single-pole double throw diverter switch SP2T2 connects successively.
Preferably, above-mentioned band pass filter BPF1, BPF3 are sound watchband bandpass filter.
Preferably, above-mentioned band pass filter BPF2, BPF4 are medium belt bandpass filter.
Preferably, above-mentioned power amplifier PA1, PA3 are driving stage power amplifier.
Preferably, the gain of above-mentioned power amplifier PA1, PA3 employing RFMD company is the MMIC of 20dB (Monolithic Microwave Integrated Circuit, monolithic integrated microwave circuit) power amplification chip.
Preferably, above-mentioned power amplifier PA2, PA4 adopt the MMIC power amplification chip of Innotion company.
The utility model provides two-way independently to amplify link, and any road fault, all can automatically switch to another road immediately; Two-way amplifies link and all adopts two-stage to amplify the gain requirement that can meet triones navigation system transmitter, and without special-purpose impedance matching circuit, therefore volume integral body is dwindled, structure is more flexible, adapt to various application occasions, especially to Aero-Space, navigator fix etc. need the situation of Real-Time Monitoring, have guaranteed the high reliability of system.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide further understanding of the present utility model, forms a part of the present utility model, and schematic description and description of the present utility model is used for explaining the utility model, does not form improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the circuit theory diagrams of L-band radio frequency power amplification module described in the utility model.
Embodiment
In order to make technical problem to be solved in the utility model, technical scheme and beneficial effect clearer, clear, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
As shown in Figure 1, the circuit theory diagrams of L-band radio frequency power amplification module preferred embodiment described in the utility model; Comprise single-pole double throw diverter switch SP2T1, SP2T2, band pass filter BPF1, BPF2, BPF3, BPF4, and power amplifier PA1, PA2, PA3, PA4; Wherein,
The first branch road of the first branch road of single-pole double throw diverter switch SP2T1, band pass filter BPF1, power amplifier PA1, PA2, band pass filter BPF2 and single-pole double throw diverter switch SP2T2 is in turn connected to form a road and amplifies link; In this link, band pass filter BPF1 employing volume is little, frequency is selected high sound watchband bandpass filter, and band pass filter BPF2 adopts the medium belt bandpass filter that centre frequency is high, insertion loss is low, power capacity is large; Power amplifier PA1 is the first order power amplifier of this link, is driving stage power amplifier, and adopting the gain of RFMD company is the MMIC power amplification chip of 20dB; Power amplifier PA2 is the second level power amplifier of this link, adopts the MMIC power amplification chip of Innotion company;
The second branch road of the second branch road of single-pole double throw diverter switch SP2T1, band pass filter BPF3, power amplifier PA3, PA4, band pass filter BPF4 and single-pole double throw diverter switch SP2T2 connects successively, forms another road and amplifies link; In this link, band pass filter BPF3 employing volume is little, frequency is selected high sound watchband bandpass filter, and band pass filter BPF4 adopts the medium belt bandpass filter that centre frequency is high, insertion loss is low, power capacity is large; Power amplifier PA3 is the first order power amplifier of this link, is driving stage power amplifier, and adopting the gain of RFMD company is the MMIC power amplification chip of 20dB; Power amplifier PA4 is the second level power amplifier of this link, adopts the MMIC power amplification chip of Innotion company; Match circuit part that the power amplifier chip internal that adopts due to the present embodiment is integrated, so the directly cascade of two-stage amplification chip, circuit is simple, and chip gains high.
The operation principle of L-band radio frequency power amplification module described in the utility model is as follows: radio-frequency input signals is inputted through diverter switch, first pass through sound watchband bandpass filter filtering clutter and interference signal, the useful signal obtaining enters two stage power amplification chip and amplifies, more than the RF signal gain obtaining can reach 37dBm, harmonic wave outside dielectric filter filtering band and spuious more afterwards, to guarantee the purity of radiofrequency signal; And can, according to the RSSI of output (Received Signal Strength Indicator receives the intensity indication of signal) level, the power output of signal be detected in real time; Under default conditions, only have a road to amplify link work, Hot Spare is only done on another road, if any any abnormal, can start immediately diverter switch, automatically switches to another road, has guaranteed normal communication, has improved the reliability of signal.
Above-mentioned explanation illustrates and has described preferred embodiment of the present utility model, but as previously mentioned, be to be understood that the utility model is not limited to disclosed form herein, should not regard the eliminating to other embodiment as, and can be used for various other combinations, modification and environment, and can, in utility model contemplated scope described herein, by technology or the knowledge of above-mentioned instruction or association area, change.And the change that those skilled in the art carry out and variation do not depart from spirit and scope of the present utility model, all should be in the protection range of the utility model claims.
Claims (6)
1. a L-band radio frequency power amplification module, is characterized in that, comprises single-pole double throw diverter switch SP2T1, SP2T2, band pass filter BPF1, BPF2, BPF3, BPF4, and power amplifier PA1, PA2, PA3, PA4; Described
The first branch road of the first branch road of single-pole double throw diverter switch SP2T1, band pass filter BPF1, power amplifier PA1, PA2, band pass filter BPF2 and single-pole double throw diverter switch SP2T2 connects successively;
The second branch road of the second branch road of single-pole double throw diverter switch SP2T1, band pass filter BPF3, power amplifier PA3, PA4, band pass filter BPF4 and single-pole double throw diverter switch SP2T2 connects successively.
2. L-band radio frequency power amplification module as claimed in claim 1, is characterized in that, described band pass filter BPF1, BPF3 are sound watchband bandpass filter.
3. L-band radio frequency power amplification module as claimed in claim 1, is characterized in that, described band pass filter BPF2, BPF4 are medium belt bandpass filter.
4. L-band radio frequency power amplification module as claimed in claim 1, is characterized in that, described power amplifier PA1, PA3 are driving stage power amplifier.
5. the L-band radio frequency power amplification module as described in claim 1 or 4, is characterized in that, it is the monolithic integrated microwave circuit MMIC amplification chip of 20dB that described power amplifier PA1, PA3 adopt the gain of RFMD company.
6. L-band radio frequency power amplification module as claimed in claim 1, is characterized in that, described power amplifier PA2, PA4 adopt the MMIC amplification chip of Innotion company.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420220514.3U CN203896314U (en) | 2014-04-30 | 2014-04-30 | L waveband radio-frequency power amplification module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420220514.3U CN203896314U (en) | 2014-04-30 | 2014-04-30 | L waveband radio-frequency power amplification module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203896314U true CN203896314U (en) | 2014-10-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420220514.3U Expired - Fee Related CN203896314U (en) | 2014-04-30 | 2014-04-30 | L waveband radio-frequency power amplification module |
Country Status (1)
| Country | Link |
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| CN (1) | CN203896314U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109560832A (en) * | 2019-01-24 | 2019-04-02 | 广西芯百特微电子有限公司 | A kind of radio circuit and terminal for 5G communication |
| CN111293996A (en) * | 2020-03-05 | 2020-06-16 | 芯朴科技(上海)有限公司 | Balanced amplifier and power amplification method of radio frequency signal |
| CN114389638A (en) * | 2020-10-19 | 2022-04-22 | Oppo广东移动通信有限公司 | Power amplifier module, control method, terminal and computer storage medium |
-
2014
- 2014-04-30 CN CN201420220514.3U patent/CN203896314U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109560832A (en) * | 2019-01-24 | 2019-04-02 | 广西芯百特微电子有限公司 | A kind of radio circuit and terminal for 5G communication |
| CN111293996A (en) * | 2020-03-05 | 2020-06-16 | 芯朴科技(上海)有限公司 | Balanced amplifier and power amplification method of radio frequency signal |
| CN114389638A (en) * | 2020-10-19 | 2022-04-22 | Oppo广东移动通信有限公司 | Power amplifier module, control method, terminal and computer storage medium |
| CN114389638B (en) * | 2020-10-19 | 2024-03-12 | Oppo广东移动通信有限公司 | Power amplifier module, control method, terminal and computer storage medium |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141022 Termination date: 20200430 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |