CN201976095U - Ultrashort wave UHF (Ultra High Frequency) range tuning power amplifier module - Google Patents
Ultrashort wave UHF (Ultra High Frequency) range tuning power amplifier module Download PDFInfo
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- CN201976095U CN201976095U CN201120014150XU CN201120014150U CN201976095U CN 201976095 U CN201976095 U CN 201976095U CN 201120014150X U CN201120014150X U CN 201120014150XU CN 201120014150 U CN201120014150 U CN 201120014150U CN 201976095 U CN201976095 U CN 201976095U
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- uhf
- power amplifier
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Abstract
The utility model relates to an ultrashort wave UHF (Ultra High Frequency) range transceiver functional module and belongs to the technical field of electronic communication equipment, in particular to an ultrashort wave UHF range tuning power amplifier module. The ultrashort wave UHF range tuning power amplifier module uses a power amplifying unit and a UHF (ultra high frequency) range common-address filter unit as main bodies and is supplemented by a radio-frequency input terminal, a directional coupler unit, a self-checking switch unit, a receiving and transmitting switch unit, a UHF range turning band-pass filter unit, a high-gain and low-noise amplifier unit, a main machine interface control unit, an antenna interface, a radio-frequency output terminal and other circuits. The module has the advantages of strong anti-electromagnetic interference capacity, high integration, modularization, miniaturization and wide application prospect.
Description
Technical field
The utility model relates to a kind of ultrashort wave UHF section transceiver functionality module, and particularly a kind of ultrashort wave UHF section tune power amplifier module belongs to the electronic communication equipment technical field.
Background technology
In recent years, along with the develop rapidly of electronic technology, the application of radio communication technology more and more widely.Radio-frequency front-end is as the important component part of hand communication machine, and major function is: launch high-power anti-interference wireless electricity Frequency Hopping Signal, receive extremely faint high-frequency signal, and convert thereof into intermediate-freuqncy signal.Radio-frequency (RF) front-end circuit has crucial effects to the performance of whole receiving system, and its ability that detects small-signal has directly determined the sensitivity of receiver; The adaptive capacity of large-signal is being determined the dynamic range of receiver; Have intermodulation distortion and the crosstalk etc. of good linearty in can the minimizing system.
The radio-frequency front-end of transceiver often has following defective in the prior art: one, and adopt scattered combination of circuits such as amplifier, filter to form, integrated level is not high, and reliability is not strong; Two, the broadband noise of amplifier is bigger; Three, the frequency tuning time is fast, is 10us only, and frequency tuning is wide; Four, the electromagnetism antijamming capability is lower.
Therefore, can design a kind of novel ultrashort wave UHF section tune power amplifier module,, become the technical barrier that those skilled in the art need to be resolved hurrily to overcome above-mentioned defective.
The utility model content
In order to solve the problems of the technologies described above, the utility model aims to provide a kind of novel ultrashort wave UHF section tune power amplifier module, its integrated level height, and broadband noise is little, and the frequency tuning time is fast, and frequency tuning is wide, and antijamming capability is strong.Its technical scheme that adopts is as follows:
This ultrashort wave UHF section tune power amplifier module mainly comprises: rf input terminal, power amplification unit, the UHF section is the location filter cell altogether, the directional coupler unit, the self-test switch unit, the transmit-receive switch unit, UHF section tunable bandpass filter unit, the high-gain low-noise amplifier unit, the host interface control unit, antennal interface and radio-frequency (RF) output end, wherein, described rf input terminal, power amplification unit, the UHF section is the location filter cell altogether, the directional coupler unit, the self-test switch unit, the transmit-receive switch unit, antennal interface connects in turn, described host interface control unit is total to the location filter cell with described UHF section respectively, the self-test switch unit, the transmit-receive switch unit connects, described transmit-receive switch unit, UHF section tunable bandpass filter unit, the high-gain low-noise amplifier unit, and radio-frequency (RF) output end connects in turn.
Preferably, described ultrashort wave UHF section tune power amplifier module also has the protected location that is connected with described power amplification unit.
Preferably, described ultrashort wave UHF section tune power amplifier module also has the metal shell encapsulation.
Compared with prior art, the utlity model has following advantage:
1. integrated serial protective circuits such as radio frequency amplifier, directional coupler and the power detection of radio frequency transceiver front end, temperature protection, overload protection, also has tunable bandpass filter, some complicated circuit such as high-gain low-noise amplifier, automatic gain control, transmit-receive switch, this product can replace transceiver front-end, it has carried out system in combination to original scattered circuit, can improve the level of integrated system and the reliability of transceiver so greatly;
2. adopt ultra-low noise amplifier and high speed tuned filter, every performances such as sensitivity, noise factor, selectivity, dynamic range, mirror image inhibition and intermediate frequency inhibition of transceiver have been improved, and place the leading high-power location filter altogether of domestic technique behind the radio frequency amplifier, then effectively reduced the broadband noise of amplifier;
The frequency tuning time fast, be 10us only, frequency tuning is wide, can spreading range can be from 30MHz to 1GHz;
4. adopt the metal shell encapsulation to guarantee the anti-interference condition of complicated electromagnetism.
Description of drawings
Fig. 1: ultrashort wave UHF section tune power amplifier module structural representation of the present utility model.
Among the figure: 1, rf input terminal; 2, power amplification unit; 3, the UHF section is total to the location filter cell; 4, directional coupler unit; 5, self-test switch unit; 6, transmit-receive switch unit; 7, UHF section tunable bandpass filter unit; 8, high-gain low-noise amplifier unit; 9, host interface control unit; 10, antennal interface; 11, radio-frequency (RF) output end; 12, protected location.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing and example:
An embodiment of the present utility model as shown in Figure 1, this ultrashort wave UHF section tune power amplifier module mainly comprises: rf input terminal 1, power amplification unit 2, the UHF section is location filter cell 3 altogether, directional coupler unit 4, self-test switch unit 5, transmit-receive switch unit 6, UHF section tunable bandpass filter unit 7, high-gain low-noise amplifier unit 8, host interface control unit 9, antennal interface 10 and radio-frequency (RF) output end 11, wherein, rf input terminal 1, power amplification unit 2, the UHF section is location filter cell 3 altogether, directional coupler unit 4, self-test switch unit 5, transmit-receive switch unit 6, antennal interface 10 connects in turn, host interface control unit 9 is total to location filter cell 3 with the UHF section respectively, self-test switch unit 5, transmit-receive switch unit 6 connects transmit-receive switch unit 6, UHF section tunable bandpass filter unit 7, high-gain low-noise amplifier unit 8, and radio-frequency (RF) output end 11 connects in turn.
This ultrashort wave UHF section tune power amplifier module can also have protected location 12, is used for being connected with power amplification unit 2, realizes the protection to this shortwave UHF section tune power amplifier module, comprises temperature, power, overload, short-circuit protection etc.
UHF section tunable bandpass filter unit 7 is positioned at ultrashort wave UHF section tune power amplifier module rear end, receive the small-signal of coming by antenna and enter UHF section tunable bandpass filter behind the transmit-receive switch unit, the performance of this part has determined the receiving sensitivity of module.It adopts the elliptic function filter original shape to form, and it is little to have a loss, and clutter is suppressed advantages such as ability is strong, effectively raises the sensitivity and the antijamming capability of whole module.
High-gain low-noise amplifier unit 8 is positioned at ultrashort wave UHF section tune power amplifier module rearmost end, and the RF small signals of being brought by UHF section tunable bandpass filter unit 7 are delivered to radio-frequency (RF) output end 11 of module again after it amplifies.Characteristics such as high-gain low-noise amplifier integrated chip of the prior art is a lot, has the gain height, and noise factor is little can effectively improve the receiving sensitivity of whole module and the index of dynamic range.
In order to strengthen the antijamming capability of this module, it can adopt the metal shell encapsulation, and integrated morphology guarantees that its volume is small and exquisite, easy to use.
The course of work of this module of brief description:
The modulation signal that transceiver is brought is sent to power amplification unit 2 through rf input terminal 1, amplify the signal of back output 50dBm by power amplification unit 2 and give UHF section its broadband noise of location filter cell 3 filterings altogether, give directional coupler unit 4 then and carry out power detection, whether working properly according to the judge module as a result that detects, normal then the self check process of sending self-test switch unit 5 to finish transceiver, after again according to the Host Command decision reiving/transmitting state of host interface control unit 9.
The utility model the is integrated channel strip of transceiver has all functions of transceiver channel strip, can make transceiver realize modularization, miniaturization easily.The utility model is owing to have the degree of integration height, and it all has extensive market prospects at military, civil area.
With way of example the utility model is illustrated above, but the utility model is not limited to above-mentioned specific embodiment, all any change or modification of doing based on the utility model all belong to the claimed scope of the utility model.
Claims (3)
1. ultrashort wave UHF section tune power amplifier module, it is characterized in that, comprise: rf input terminal (1), power amplification unit (2), the UHF section is location filter cell (3) altogether, directional coupler unit (4), self-test switch unit (5), transmit-receive switch unit (6), UHF section tunable bandpass filter unit (7), high-gain low-noise amplifier unit (8), host interface control unit (9), antennal interface (10) and radio-frequency (RF) output end (11), wherein, described rf input terminal (1), power amplification unit (2), the UHF section is location filter cell (3) altogether, directional coupler unit (4), self-test switch unit (5), transmit-receive switch unit (6), antennal interface (10) connects in turn, described host interface control unit (9) is total to location filter cell (3) with described UHF section respectively, self-test switch unit (5), transmit-receive switch unit (6) connects, described transmit-receive switch unit (6), UHF section tunable bandpass filter unit (7), high-gain low-noise amplifier unit (8), and radio-frequency (RF) output end (11) connects in turn.
2. ultrashort wave UHF section tune power amplifier module according to claim 1 is characterized in that also having the protected location (12) that is connected with described power amplification unit (2).
3. ultrashort wave UHF section tune power amplifier module according to claim 1 is characterized in that, also has the metal shell encapsulation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120014150XU CN201976095U (en) | 2011-01-17 | 2011-01-17 | Ultrashort wave UHF (Ultra High Frequency) range tuning power amplifier module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120014150XU CN201976095U (en) | 2011-01-17 | 2011-01-17 | Ultrashort wave UHF (Ultra High Frequency) range tuning power amplifier module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201976095U true CN201976095U (en) | 2011-09-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120014150XU Expired - Fee Related CN201976095U (en) | 2011-01-17 | 2011-01-17 | Ultrashort wave UHF (Ultra High Frequency) range tuning power amplifier module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201976095U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111917424A (en) * | 2020-08-05 | 2020-11-10 | 南京熊猫电子股份有限公司 | Low-emission broadband noise no-load short-wave radio station and implementation method thereof |
-
2011
- 2011-01-17 CN CN201120014150XU patent/CN201976095U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111917424A (en) * | 2020-08-05 | 2020-11-10 | 南京熊猫电子股份有限公司 | Low-emission broadband noise no-load short-wave radio station and implementation method thereof |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110914 Termination date: 20200117 |