CN208285285U - A kind of BJT high frequency power amplifier match circuit - Google Patents
A kind of BJT high frequency power amplifier match circuit Download PDFInfo
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- CN208285285U CN208285285U CN201820307739.0U CN201820307739U CN208285285U CN 208285285 U CN208285285 U CN 208285285U CN 201820307739 U CN201820307739 U CN 201820307739U CN 208285285 U CN208285285 U CN 208285285U
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Abstract
The utility model discloses a kind of BJT high frequency power amplifier match circuit, the BJT high frequency power amplifier match circuit includes the outer matching network of piece and power amplification integrated chip；The power amplification integrated chip includes matching network in BJT power tube and piece, and the BJT power tube is connect with described interior matching network.The BJT high frequency power amplifier match circuit further includes first capacitor and the second capacitor, and first capacitor is connect with first transmission line and input matching network；Second capacitor is connect with the first output transmission line and output matching network.Interior matching network, which is added, in the utility model can reduce PCB design difficulty, be completed at the same time the interior matching cobasis structure implementation.The realization of organization plan further reduces interior matching network design and simulation and technique realizes existing difference convenient for subsequent interior matched debugging, test, test and development results analysis.
Description
Technical field
The utility model relates to radio-frequency power amplification sector more particularly to a kind of BJT high frequency power amplifier match circuits.
Background technique
The application field of microwave high power device and its circuit is very extensive, and is the high-tech production in external limitation China
Product.As the afterbody in wireless transceiver system, it occupies highly importantly radio-frequency power amplifier in the entire system
Position.Since power amplifier itself has very big power consumption, for whole system, power cost of power amplifier is even accounted for entirely
60% or more of system power dissipation, therefore, the power amplifier for designing high efficiency and high linearity become the main of current power amplifier design
Trend.Power amplifier works in high band, since input and output impedance is all smaller in entire frequency band for tube core, if do not had
There is interior matching network, can be not easy to realize because impedance transformation ratio is too big in the match circuit designed on PCB.
Summary of the invention
Due to the defect of the prior art, the utility model provides a kind of BJT high frequency power amplifier match circuit, passes through
Matching network module in the outer matching network module of piece and piece, makes device realize good output power and gain characteristic.
Particularly, the utility model provides a kind of BJT high frequency power amplifier match circuit, comprising:
The outer matching network module of piece, by 106 groups of output matching network unit outside input matching network unit 105 outside piece and piece
At；
Power amplification integration module is made of, the bipolar transistor matching network module in bipolar junction transistor and piece
Pipe is electrically connected with described interior matching network module, the input terminal of the power amplification integration module and described input outside
The output end of distribution network unit 105 is electrically connected, and the output end of the power amplification integration module is matched with output outside described
The input terminal of network unit 106 is electrically connected；
Wherein, described interior matching network module includes output matching network list in input matching network unit and piece in piece
Member.
Further, the input terminal of described outer input matching network unit and one end of input capacitance electrically connect
It connects, the other end of the input capacitance is connect with input terminal.
Further, the output end of described outer output matching network unit and one end of output capacitance electrically connect
It connects, the other end of the output capacitance is connect with output end.
Further, described interior input matching network unit includes that resistance is exported in first interior input impedance and first
Anti-, first interior input impedance includes the first input signal source and the capacitor C1 in parallel with first input signal source,
Capacitor C2, capacitor C3, and with the concatenated inductance L1 of first input signal source, inductance L2, inductance L3, inductance L4 is described
First internal output impedance includes the first source impedance.
Further, described interior output matching network unit includes defeated in second interior input resistant matching and second
Impedance out, second interior input impedance include the second input signal source and the capacitor in parallel with second input signal source
One inductance L8 of C5 and series connection, and the capacitor C4 in parallel with the second signal input source and inductance L7 series circuit, described the
Two internal output impedances include the second load impedance.
By matching network module in matching network module outside piece and piece, device is made to realize good output power and increasing
Beneficial characteristic.
Detailed description of the invention
Fig. 1 is the schematic illustration of the utility model embodiment power amplifier；
Fig. 2 is the interior matching network structural schematic diagram of the utility model.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clear, complete description, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, belongs to the scope of the utility model.
Particularly, the utility model provides a kind of BJT high frequency power amplifier match circuit, comprising:
The outer matching network module of piece, including output matching network unit outside input matching network unit and piece outside piece；
Power amplification integration module, the input terminal of the power amplification integration module and described outer input matching network list
The output end of member 105 is electrically connected, the output end of the power amplification integration module and described outer output matching network unit
106 input terminal is electrically connected, and the power amplification integration module includes matching network module in bipolar junction transistor and piece, institute
Bipolar junction transistor is stated to be electrically connected with described interior matching network module；
Wherein, described interior matching network module includes output matching network list in input matching network unit and piece in piece
Member.
Further, the input terminal of described outer input matching network unit and one end of input capacitance electrically connect
It connects, the other end of the input capacitance is connect with input terminal.
Further, one end electricity of the output end of described outer output matching network unit 106 and output capacitance 104
Property connection, it is described output capacitance 104 the other end connect with output end 102.
Further, described interior input matching network unit includes that resistance is exported in first interior input impedance and first
Anti-, first interior input impedance includes the first input signal source and the capacitor C1 in parallel with first input signal source,
Capacitor C2, capacitor C3, and with the concatenated inductance L1 of first input signal source, inductance L2, inductance L3, inductance L4 is described
First internal output impedance includes the first source impedance.
Further, described interior output matching network unit includes defeated in second interior input resistant matching and second
Impedance out, second interior input impedance include the second input signal source and the capacitor in parallel with second input signal source
One inductance L8 of C5 and series connection, and the capacitor C4 in parallel with the second signal input source and inductance L7 series circuit, described the
Two internal output impedances include the second load impedance.
It describes in detail above to the utility model operation logic, the explanation of above-mentioned operation logic is only intended to help to manage
Solve the method and its core concept of the utility model；At the same time, for those skilled in the art, it is according to the present utility model
Thought has change place in specific embodiments and applications, and to sum up, the content of the present specification should not be construed as to this reality
With novel limitation.
Claims (5)
1. a kind of BJT high frequency power amplifier match circuit, comprising:
The outer matching network module of piece, is made of output matching network unit 106 outside input matching network unit 105 outside piece and piece；
Power amplification integration module is made of matching network module in bipolar junction transistor and piece, the bipolar junction transistor with
Described interior matching network module is electrically connected, and the input terminal of the power amplification integration module inputs pair net with described outside
The output end of network unit 105 is electrically connected, the output end of the power amplification integration module and described outer output matching network
The input terminal of unit 106 is electrically connected；Wherein, described interior matching network module includes input matching network unit and piece in piece
Interior output matching network unit.
2. BJT high frequency power amplifier match circuit according to claim 1, which is characterized in that input outside described
The input terminal of distribution network unit 105 and one end of input capacitance 103 are electrically connected, described to input the another of capacitance 103
One end is connect with input terminal 101.
3. BJT high frequency power amplifier match circuit according to claim 2, which is characterized in that output outside described
The output end of distribution network unit 106 and one end of output capacitance 104 are electrically connected, described to export the another of capacitance 104
One end is connect with output end 102.
4. BJT high frequency power amplifier match circuit according to claim 1, which is characterized in that input in described
Distribution network unit includes first interior input impedance and first internal output impedance, and first interior input impedance includes first
Input signal source and the capacitor C1 in parallel with first input signal source, capacitor C2, capacitor C3, and inputted with described first
Signal source concatenated inductance L1, inductance L2, inductance L3, inductance L4, first internal output impedance include the first source impedance.
5. BJT high frequency power amplifier match circuit according to claim 1, which is characterized in that output in described
Distribution network unit includes second interior input resistant matching and second internal output impedance, and second interior input impedance includes
Second input signal source and with the capacitor C5 of the second input signal source parallel connection and the inductance L8 that connects, and with described second
Capacitor C4 and inductance the L7 series circuit of input signal source parallel connection, second internal output impedance include the second load impedance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820307739.0U CN208285285U (en) | 2018-03-06 | 2018-03-06 | A kind of BJT high frequency power amplifier match circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820307739.0U CN208285285U (en) | 2018-03-06 | 2018-03-06 | A kind of BJT high frequency power amplifier match circuit |
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| Publication Number | Publication Date |
|---|---|
| CN208285285U true CN208285285U (en) | 2018-12-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820307739.0U Expired - Fee Related CN208285285U (en) | 2018-03-06 | 2018-03-06 | A kind of BJT high frequency power amplifier match circuit |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108123689A (en) * | 2018-03-06 | 2018-06-05 | 中国计量大学 | A kind of BJT high frequency power amplifiers match circuit |
| CN108123689B (en) * | 2018-03-06 | 2024-08-02 | 中国计量大学 | BJT high-frequency power amplifier matching circuit |
-
2018
- 2018-03-06 CN CN201820307739.0U patent/CN208285285U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108123689A (en) * | 2018-03-06 | 2018-06-05 | 中国计量大学 | A kind of BJT high frequency power amplifiers match circuit |
| CN108123689B (en) * | 2018-03-06 | 2024-08-02 | 中国计量大学 | BJT high-frequency power amplifier matching circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20181225 Termination date: 20190306 |