CN208094533U - A kind of restructural power amplifier based on distributed PIN switches - Google Patents
A kind of restructural power amplifier based on distributed PIN switches Download PDFInfo
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- CN208094533U CN208094533U CN201820609005.8U CN201820609005U CN208094533U CN 208094533 U CN208094533 U CN 208094533U CN 201820609005 U CN201820609005 U CN 201820609005U CN 208094533 U CN208094533 U CN 208094533U
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Abstract
The utility model belongs to the communications field, more particularly to a kind of restructural power amplifier based on distributed PIN switches, including input port, input matching circuit, distribution PIN switches, transistor, biasing circuit, grounding type distribution switch, output matching circuit and output port.The utility model reduces the practical operation difficulty in plate-making and test using distribution PIN switches；It proposes novel Reconfigurable Theory, improves the feasibility of power amplifier entirety, reduce its design difficulty；It is new structural interfering with each other by adding 90 degree of microstrip lines eliminations.
Description
Technical field
The utility model belongs to the communications field, and in particular to a kind of restructural power amplification based on distributed PIN switches
Device.
Background technology
In recent years, with the development of wireless technology, various communication systems are come into being.Although being brought to people's lives
It is convenient, but also bring many problems.First, it is huge that multiple system costs are built, and can redundancy；Secondly, mutual between system
Mutually switching needs to be further processed, more difficult；Finally, each system combined operating compatibility is poor.Power amplifier conduct
Most important module in communication system, decides the performance of whole system.Restructural power amplifier passes through reconfigurable device
Control can switch under different standards and frequency range, and simple in structure, restructural power amplifier of good performance can push radio circuit
Intelligentized development, but the design of restructural power amplifier is more complex at present, major embodiment several aspects below：1) restructural device
Part difficult design and circuit is influenced big；2) the match circuit structure of restructural power amplifier is relatively more fixed and realizes there is certain difficulty
Degree；3) restructural power amplifier debugging is difficult.
Invention content
For the above technical problems, the utility model provides a kind of restructural work(switched based on distributed PIN
Rate amplifier, which is characterized in that including：Input port, input matching circuit, distribution PIN switches, transistor, biasing circuit,
Output matching circuit, grounding type distribution switch and output port；
The input port, input matching circuit, transistor, biasing circuit, output matching circuit and output port are successively
Connection；
The input matching circuit includes main line microstrip line and variable capacitance；
The main line microstrip line is separately connected the input port, transistor and biasing circuit；On the main line microstrip line
It is connected to several variable capacitances；
Each variable capacitance is formed by several capacitor combinations respectively；
The distribution PIN switches are the distributed structures based on PIN diode, including PIN diode, series resonance
Circuit and antiresonant circuit；The distribution PIN switches are adapted and connect with corresponding each variable capacitance respectively；
The quantity of the output matching circuit is identical as the variable capacitance quantity, each output matching circuit difference
It is adapted with each variable capacitance；The output matching circuit use reconfigurable structures, and with the corresponding grounding type
Connection is distributed to connect；
The quantity of grounding type distribution switch is identical as the quantity of the output matching circuit, and with each output
Match circuit is adapted；The grounding type distribution switch is the distributed structures based on PIN diode, and is grounded；
The output port is adapted and connect with the output matching circuit.
The output matching circuit includes 90 degree of microstrip lines.
The quantity of the capacitance is 5, is combined as 3 variable capacitances.
The beneficial effects of the utility model：
The utility model proposes a kind of restructural power amplifiers based on distributed PIN switches, using based on LC resonance
The distributed PIN of Theoretical Design is switched, simple in structure, reduces the practical operation difficulty in plate-making and test, is restructural
The design of device is offered reference meaning；
The utility model proposes novel Reconfigurable Theory, more existing reconfigurable structures are simple and practicable, improve power amplifier
Whole feasibility, reduces its design difficulty；It is new structural interfering with each other by adding 90 degree of microstrip line elimination simultaneously,
Method is provided for the optimization of Reconfigurable Theory, is enriched to current Reconfigurable Theory.
The utility model is designed reasonably, it is easy to accomplish, there is good practical value.
Description of the drawings
Fig. 1 is the restructural power amplifier based on distributed PIN switches described in specific embodiment of the present invention
Structural schematic diagram.
In figure：1, input port；2, input matching circuit；3, distribution PIN is switched；4, transistor；5, biasing circuit；
6, output matching circuit；7, grounding type distribution switch；8-1, the first output port；8-2, second output terminal mouth；8-3, third are defeated
Exit port；9, main line microstrip line；10, variable capacitance；11,90 degree of microstrip lines.
Specific implementation mode
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example is described in further details the utility model.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
The utility model proposes a kind of restructural power amplifiers based on distributed PIN switches, as shown in Figure 1, including
Input port 1, input matching circuit 2, distribution PIN switches 3, transistor 4, biasing circuit 5, output matching circuit 6, grounding type
It is distributed switch 7 and output port；
The input port 1, input matching circuit 2, transistor 4, biasing circuit 5, output matching circuit 6 and output port
It is sequentially connected；
The input port 1 is for receiving echo signal；
The input matching circuit 2 includes main line microstrip line 9 and variable capacitance 10；
The main line microstrip line 9 is separately connected the input port 1, transistor 4 and biasing circuit 5；The main line micro-strip
Several variable capacitances 10 are connected on line 9；
Each variable capacitance 10 is formed by several capacitor combinations respectively, corresponds to different target frequency bands respectively；
The distribution PIN switches 3 are the distributed structures based on PIN diode, including PIN diode 11, series connection
Resonance circuit 12 and antiresonant circuit 13；The distribution PIN switches 3 respectively with corresponding each 10 phase of the variable capacitance
It adapts to and connects；The model of the PIN diode 11 uses smp1322；
The access of variable capacitance 10 is controlled by the distribution PIN switches 3, that is, is keeping main line microstrip line 9 constant
In the case of, different capacitances is accessed by the on and off control circuit of the distribution PIN switches 3, reaches match circuit not
With the purpose of band operation, the switching of different frequency range is realized；Before the distribution PIN switches 3 are using PIN diode conducting
Approximate Equivalent carries out it "On" state design using the series resonant circuit, adopts in the characteristic of inductance and capacitance afterwards
The "Off" state design is carried out to it with the antiresonant circuit；
The transistor 4 and biasing circuit 5 are used to carry out power amplification to signal；The model of the transistor 4 uses
CGH40010F；
The quantity of the output matching circuit 6 is identical as 10 quantity of the variable capacitance, each output matching circuit 6
It is adapted respectively with each variable capacitance 10；The output matching circuit 6 use reconfigurable structures, and with it is corresponding described
Grounding type is distributed switch 7 and connects；
The quantity of grounding type distribution switch 7 is identical as the quantity of the output matching circuit 6, and with it is each described defeated
Go out match circuit 6 to be adapted；The grounding type distribution switch 7 is the distributed structures based on PIN diode, and is grounded；
It is distributed 7 pairs of circuit signals of switch by the grounding type to control, i.e., switch 7 is distributed by the grounding type
"On" state makes signal ground, "Off" state make signal conduction, realizes the switching to output matching circuit；The output
Include 90 degree of microstrip lines 11 with circuit 6, be equivalent to inductance, the influence between each output matching circuit 6 can be eliminated and does
It disturbs；
The output port is adapted and connect with the output matching circuit 7, for spreading out of completed signal；
The quantity of the capacitance is 5, is combined as 3 variable capacitances 10；Each variable capacitance 10 can be real
The switching of existing 1.75G, 2.1G and 2.6G frequency range, is controlled by the corresponding 5 distribution PIN switches 3；Wherein, first
Output port 8-1 and its matched various components correspond to 2.1G frequency ranges；Second output terminal mouth 8-2 and its matched various components pair
Answer 1.75G frequency ranges；Third output port 8-3 and its matched various components correspond to 2.6G frequency ranges；
In identical embodiment, the quantity of the capacitance can be adjusted according to actual demand, make the several of a combination thereof
The capacitance group can realize the switching of other different frequency ranges, the matched distribution PIN switches 3, output matching electricity
Road 6, grounding type distribution switch 7 and output interface also adjust accordingly therewith.
Using the control method of the above-mentioned restructural power amplifier based on distributed PIN switches, include the following steps：
Step 1, by the access signal to be amplified input port 1 and the incoming main line microstrip line 9；
Step 2, by controlling the distribution PIN switches 3, signal to be amplified target frequency bands are converted to by described；
Step 3, by transistor 4 and biasing circuit 5, transformed signal is amplified；
Step 4, it is distributed switch 7 by controlling grounding type, will converts and amplified signal is matched by corresponding output
Circuit 6 and output port outflow.
According to step 1 to step 4, complete to frequency range conversion signal to be amplified and enlarging function.
The utility model proposes a kind of restructural power amplifiers based on distributed PIN switches, using based on LC resonance
The distributed PIN switches 3 of Theoretical Design, it is simple in structure, the practical operation difficulty in plate-making and test is reduced, is restructural
The design of device is offered reference meaning；
The utility model proposes novel Reconfigurable Theory, more existing reconfigurable structures are simple and practicable, improve power amplifier
Whole feasibility, reduces its design difficulty；Simultaneously by add 90 degree of microstrip lines 11 eliminate it is new structural interfering with each other,
Method is provided for the optimization of Reconfigurable Theory, is enriched to current Reconfigurable Theory.
The utility model is designed reasonably, it is easy to accomplish, there is good practical value.
Claims (3)
1. a kind of restructural power amplifier based on distributed PIN switches, which is characterized in that including：Input port, input
With circuit, distribution PIN switches, transistor, biasing circuit, output matching circuit, grounding type distribution switch and output port；
The input port, input matching circuit, transistor, biasing circuit, output matching circuit and output port are sequentially connected；
The input matching circuit includes main line microstrip line and variable capacitance；
The main line microstrip line is separately connected the input port, transistor and biasing circuit；It is connected on the main line microstrip line
Several described variable capacitances；
Each variable capacitance is formed by several capacitor combinations respectively；
The distribution PIN switches are the distributed structures based on PIN diode, including PIN diode, series resonant circuit
With antiresonant circuit；The distribution PIN switches are adapted and connect with corresponding each variable capacitance respectively；
The quantity of the output matching circuit is identical as the variable capacitance quantity, each output matching circuit respectively with respectively
A variable capacitance is adapted；The output matching circuit uses reconfigurable structures, and is distributed with the corresponding grounding type
Switch connection；
The quantity of the grounding type distribution switch is identical as the quantity of the output matching circuit, and is matched with each output
Circuit is adapted；The grounding type distribution switch is the distributed structures based on PIN diode, and is grounded；
The output port is adapted and connect with the output matching circuit.
2. the restructural power amplifier according to claim 1 based on distributed PIN switches, which is characterized in that described
Output matching circuit includes 90 degree of microstrip lines.
3. the restructural power amplifier according to claim 1 based on distributed PIN switches, which is characterized in that described
The quantity of capacitance is 5, is combined as 3 variable capacitances.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820609005.8U CN208094533U (en) | 2018-04-26 | 2018-04-26 | A kind of restructural power amplifier based on distributed PIN switches |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820609005.8U CN208094533U (en) | 2018-04-26 | 2018-04-26 | A kind of restructural power amplifier based on distributed PIN switches |
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| CN208094533U true CN208094533U (en) | 2018-11-13 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108449097A (en) * | 2018-04-26 | 2018-08-24 | 辽宁工程技术大学 | A kind of restructural power amplifier and its control method based on distributed PIN switches |
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2018
- 2018-04-26 CN CN201820609005.8U patent/CN208094533U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108449097A (en) * | 2018-04-26 | 2018-08-24 | 辽宁工程技术大学 | A kind of restructural power amplifier and its control method based on distributed PIN switches |
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