CN207490871U - A kind of multi-frequency band radio-frequency power amplifier - Google Patents
A kind of multi-frequency band radio-frequency power amplifier Download PDFInfo
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- CN207490871U CN207490871U CN201721263606.XU CN201721263606U CN207490871U CN 207490871 U CN207490871 U CN 207490871U CN 201721263606 U CN201721263606 U CN 201721263606U CN 207490871 U CN207490871 U CN 207490871U
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Abstract
The utility model discloses a kind of multi-frequency band radio-frequency power amplifiers,Wherein,Radiofrequency signal is accessed by the input terminal of tunable input matching network,The output terminal of tunable input matching network and the input terminal of power amplifying transistor connect,The output terminal of power amplifying transistor and the input terminal of filter circuit connect,The output terminal of filter circuit is connect with the input terminal of tunable output matching network,Output terminal output of the amplified signal through tunable output matching network,One end of the feedback network is connected by the output terminal of the first partiting dc capacitor and filter circuit,The input terminal of the other end and power amplifying transistor connects,One end of the direct current biasing supply network and the output terminal of power amplifying transistor connect,The input terminal of the other end and power amplifying transistor connects,The stabilizing network is connected between tunable input matching network and power amplifying transistor.
Description
Technical field
The utility model is related to power amplifier, particularly a kind of multi-frequency band radio-frequency power amplifier.
Background technology
LTE causes because of the Radio Transmission Technology of its high transfer rate, low system delay and optimization data packet follow-on
The leading position occupied in mobile communication, afternoon on December 4th, 2013, Ministry of Industry and Information formally issued 4G boards to three big operators
According to, China Mobile, China Telecom and China Unicom obtain TD-LTE licence plates this also indicate China enter the 4G epoch.However
The whole world is because the LTE frequency ranges of different regions selection are different.Such as North America selection is 700/800 and 1700/
1900MHz, Europe use 800/1800/2600MHz, and Asia selection uses 2400/2600MHz frequency ranges.So differently
The terminal that area's frequency range difference can cause somewhere to use may can not just use in another area, it is therefore desirable to use support multifrequency
The terminal device of section.
Core component of the radio-frequency power amplifier as wireless telecom equipment is terminal radio frequency positioned at the end of transmitter
The important front end component part of equipment.It is integrated multiple that being mainly achieved in that for the conventional power amplifier of multiband is solved at present
Support the radio-frequency power amplifier of different frequency range.But this realization method has area big, circuit structure is complicated, power consumption and into
The problem of this is all very high.
Many traditional wireless device operations inefficiency, cause a large amount of wasting of resources, therefore how to improve communication
System working efficiency, the economic benefit for reducing operation cost and the energy consumption raising communications industry become the focus of people's research.
How to realize simultaneously and not only support that multiband is adjustable, but also the radio-frequency power amplifier with high working efficiency becomes in the industry
Good problem to study.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, provide a kind of multi-frequency band radio-frequency power amplifier,
The power amplifier uses tunable input and output matching network, realizes that power amplifier works in different frequency range, sets
Feedback network, is effectively improved the gain flatness of power amplifier, and setting filter circuit effectively filters out amplified radiofrequency signal
Clutter.
The purpose of this utility model is achieved through the following technical solutions：A kind of multi-frequency band radio-frequency power amplifier,
It includes tunable input matching network, power amplifying transistor, feedback network, filter circuit, direct current biasing supply network, steady
Determine network and tunable output matching network, radiofrequency signal is accessed by the input terminal of tunable input matching network, tunable defeated
The input terminal of output terminal and power amplifying transistor for entering matching network connects, the output terminal and filtered electrical of power amplifying transistor
The input terminal connection on road, the output terminal of filter circuit are connect with the input terminal of tunable output matching network, amplified signal
Output terminal output through tunable output matching network, one end of the feedback network pass through the first partiting dc capacitor and filtering
The input terminal of the output terminal connection of circuit, the other end and power amplifying transistor connects, the direct current biasing supply network
The output terminal of one end and power amplifying transistor connects, and the input terminal of the other end and power amplifying transistor connects, and described is steady
Network connection is determined between tunable input matching network and power amplifying transistor.
The filter circuit includes high-pass filtering circuit and low-pass filter circuit.
The feedback network includes an inductance and two resistance, wherein after the first inductance is in parallel with first resistor, then
It connects with second resistance, forms a two-port network.
The tunable input matching network includes：Second to the 4th capacitance, the 5th to the 6th adjustable of input
With capacitance, third to the 5th choke induction and the 6th input matching inductance, wherein：Described second capacitance one end is as signal
Input terminal, the other end pass sequentially through the adjustable matching capacitance of the 5th input, third capacitance, the 6th input matching inductance, the 4th
Capacitance is connected with power amplifying transistor；5th choke induction one end ground connection, the other end are connected to the second blocking
Between capacitance and the 5th adjustable matching capacitance of input；The termination of third choke induction one biasing, it is defeated that the other end is connected to the 5th
Enter between adjustable matching capacitance and third capacitance；The 4th choke induction one termination biasing, the other end are connected to third
Between capacitance and the 6th input matching inductance；The adjustable matching capacitance one end ground connection of 6th input, the other end are connected to
Between third capacitance and the 6th input matching inductance.
The stabilizing network use RLC networks, including be sequentially connected in series 3rd resistor, the second inductance and the tenth
Three capacitances, wherein, 3rd resistor one end is connected between the 4th capacitance and power amplifying transistor, and the other end is connected to
Two inductance；13rd capacitance one end is connected to the second inductance, other end ground connection.
The direct current biasing supply network includes biasing power supply and drain electrode power supply two parts；Wherein biasing power supply is by the 4th
The decoupling capacitance of resistance, the 7th and the 8th forms, and the 4th resistance one end is connect with external bias power voltage supply end, the other end and power
The grid connection of amplifying transistor, the 7th and the 8th decoupling capacitance are connected in parallel on bias voltage feeder ear between ground；Drain electrode power supply
Including the 7th inductance, the 5th resistance and the 9th and the tenth decoupling capacitance；Wherein the 7th inductance one end and external drain feeder ear
Son connection, the drain electrode connection of the other end and power amplifying transistor, the 5th resistance and the 7th inductance in parallel, the 9th and the tenth decoupling
Capacitance is connected in parallel between drain electrode power supply terminal and ground.
The tunable output matching network includes the 11st capacitance, the 9th choke induction, the 12nd variable defeated
Go out matching capacitance and the 8th output matching inductance, wherein：11st capacitance is connected with the 8th output matching inductance,
The output terminal of another termination filter circuit of 8th output matching inductance；Described 9th choke induction one end is connected to the 11st
Between capacitance and the 8th output matching inductance, another termination direct current biasing supply network；The 12nd variable output
It is connected between the 11st capacitance and the 8th output matching inductance with capacitance one end, other end ground connection.
The beneficial effects of the utility model are：The utility model provides a kind of multi-frequency band radio-frequency power amplifier, the work(
Rate amplifier uses tunable input and output matching network, realizes that power amplifier works in different frequency range, setting feedback
Network, is effectively improved the gain flatness of power amplifier, and setting filter circuit effectively filters out the miscellaneous of amplified radiofrequency signal
Wave.
Description of the drawings
Fig. 1 is power amplifier structure block diagram；
Fig. 2 is feedback network circuit figure；
Fig. 3 is tunable input matching network circuit diagram；
Fig. 4 is stabilizing network circuit diagram；
Fig. 5 is direct current biasing supply network circuit diagram；
Fig. 6 is tunable output matching network circuit diagram；
In figure, the first partiting dc capacitors of C1-, the second capacitances of C2-, C3- third capacitances, the 4th blockings of C4- electricity
Hold, C5- the 5th inputs adjustable matching capacitance, and C6- the 6th inputs adjustable matching capacitance, the 7th decoupling capacitances of C7-, and C8- the 8th is moved back
Coupling capacitance, the 9th decoupling capacitances of C9-, the tenth decoupling capacitances of C10-, the 11st capacitances of C11-, the 12nd variable outputs of C12-
Matching capacitance, the 13rd capacitances of C13-, the first inductance of L1-, the second inductance of L2-, L3- third choke inductions, the 4th chokes of L4-
Inductance, the 5th choke inductions of L5-, L6- the 6th input matching inductance, the 7th inductance of L7-, and L8- the 8th exports matching inductance, L9-
9th choke induction, R1- first resistors, R2- second resistances, R3- 3rd resistors, the 4th resistance of R4-, the 5th resistance of R5-.
Specific embodiment
The technical solution of the utility model, but the scope of protection of the utility model are described in further detail below in conjunction with the accompanying drawings
It is not limited to as described below.
As shown in Figure 1, a kind of multi-frequency band radio-frequency power amplifier, it includes tunable input matching network, power amplification
Transistor, feedback network, filter circuit, direct current biasing supply network, stabilizing network and tunable output matching network, radio frequency letter
Number by tunable input matching network input terminal access, the output terminal and power amplifying transistor of tunable input matching network
Input terminal connection, the input terminal of the output terminal of power amplifying transistor and filter circuit connects, the output terminal of filter circuit with
The input terminal connection of tunable output matching network, output terminal output of the amplified signal through tunable output matching network,
One end of the feedback network is connected by the output terminal of the first partiting dc capacitor C1 and filter circuit, and the other end is put with power
The input terminal connection of big transistor, one end of the direct current biasing supply network and the output terminal of power amplifying transistor connect
It connects, the input terminal connection of the other end and power amplifying transistor, the stabilizing network is connected to tunable input matching network
Between power amplifying transistor.
The filter circuit includes high-pass filtering circuit and low-pass filter circuit.
As shown in Fig. 2, the feedback network includes an inductance and two resistance, wherein the electricity of the first inductance L1 and first
After hindering R1 parallel connections, then connect with second resistance R2, one two-port network of formation.
As shown in figure 3, the tunable input matching network includes：Second to the 4th capacitance C2, C3, C4,
Five to the 6th input adjustable matching capacitance C4, C6, third to the 5th choke induction L3, L4, L5 and the 6th input matching inductance L6,
Wherein：As signal input part, the other end passes sequentially through the 5th adjustable matching capacitance of input for described second capacitance C2 one end
C5, third capacitance C3, the 6th input matching inductance L6, the 4th capacitance C4 are connected with power amplifying transistor；Institute
State the 5th choke induction L5 one end ground connection, the other end be connected to the second capacitance C2 with the 5th input adjustable matching capacitance C5 it
Between；The terminations of third choke induction L3 mono- biasing, the other end are connected to the 5th adjustable matching capacitance C5 of input and third blocking
Between capacitance C3；The 4th choke induction L4 mono- terminations biasing, the other end are connected to the inputs of third capacitance C3 and the 6th
Between matching inductance L6；The adjustable matching capacitance C6 one end ground connection of 6th input, the other end are connected to third capacitance C3
Between the 6th input matching inductance L6.
As shown in figure 4, the stabilizing network uses RLC networks, including be sequentially connected in series 3rd resistor R3, the
Two inductance L2 and the 13rd capacitance C13, wherein, 3rd resistor R3 one end is connected to the 4th capacitance C4 and power amplification crystal
Between pipe, the other end is connected to the second inductance L2；13rd capacitance C13 one end is connected to the second inductance L2, other end ground connection.
As shown in figure 5, the direct current biasing supply network includes biasing power supply and drain electrode power supply two parts；Wherein bias
Power supply is made of the 4th resistance R4, the 7th and the 8th decoupling capacitance C7, C8, the 4th resistance R4 one end and external bias power voltage supply
The grid of end connection, the other end and power amplifying transistor connects, and the 7th and the 8th decoupling capacitance C7, C8 is connected in parallel on bias voltage
Feeder ear is between ground；Drain electrode power supply includes the 7th inductance L7, the 5th resistance R5 and the 9th and the tenth decoupling capacitance C9, C10；
Wherein the 7th inductance L7 one end is connect with external drain power supply terminal, the drain electrode connection of the other end and power amplifying transistor, the
Five resistance R5 are in parallel with the 7th inductance L7, and the 9th and the tenth decoupling capacitance C9, C10 is connected in parallel between drain electrode power supply terminal and ground.
As shown in fig. 6, the tunable output matching network includes the 11st capacitance C11, the 9th choke induction
L9, the 12nd variable outputs of output matching capacitance C12 and the 8th matching inductance L8, wherein：The 11st capacitance C11 with
8th output matching inductance L8 is connected, the output terminal of another termination filter circuits of the 8th output matching inductance L8；It is described
9th choke induction L9 one end is connected between the output matching inductances of the 11st capacitance C11 and the 8th L8, and another termination is straight
Stream biasing supply network；Described 12nd variable output matching capacitance C12 one end is connected to the 11st capacitance C11 and the 8th
Between exporting matching inductance L8, other end ground connection.
The power amplifier of the utility model uses tunable input and output matching network, realizes power amplifier in difference
Frequency range works, and sets feedback network, is effectively improved the gain flatness of power amplifier, and setting filter circuit effectively filters out
The clutter of amplified radiofrequency signal.
Claims (6)
1. a kind of multi-frequency band radio-frequency power amplifier, it is characterised in that：It includes tunable input matching network, power amplification crystalline substance
Body pipe, feedback network, filter circuit, direct current biasing supply network, stabilizing network and tunable output matching network, radiofrequency signal
It is accessed by the input terminal of tunable input matching network, the output terminal of tunable input matching network and power amplifying transistor
Input terminal connects, and the input terminal of the output terminal of power amplifying transistor and filter circuit connects, the output terminal of filter circuit with can
The input terminal connection of tuning operation matching network, output terminal output of the amplified signal through tunable output matching network, institute
The one end for the feedback network stated is connected by the output terminal of the first partiting dc capacitor and filter circuit, and the other end is brilliant with power amplification
The input terminal connection of body pipe, one end of the direct current biasing supply network and the output terminal of power amplifying transistor connect, separately
The input terminal of one end and power amplifying transistor connects, and the stabilizing network is connected to tunable input matching network and power
Between amplifying transistor, the feedback network includes an inductance and two resistance, wherein the first inductance and first resistor are simultaneously
It after connection, then connects with second resistance, forms a two-port network.
2. a kind of multi-frequency band radio-frequency power amplifier according to claim 1, it is characterised in that：The filter circuit packet
Include high-pass filtering circuit and low-pass filter circuit.
3. a kind of multi-frequency band radio-frequency power amplifier according to claim 1, it is characterised in that：The tunable input
Matching network includes：Second to the 4th capacitance, the 5th to the 6th input adjustable matching capacitance, third to the 5th choke induction
Matching inductance is inputted with the 6th, wherein：As signal input part, the other end passes sequentially through the 5th input for second capacitance one end
Adjustable matching capacitance, third capacitance, the 6th input matching inductance, the 4th capacitance are connected with power amplifying transistor
It connects；Described 5th choke induction one end ground connection, the other end be connected to the second capacitance with the 5th input adjustable matching capacitance it
Between；The termination biasing of third choke induction one, the other end are connected between the adjustable matching capacitance of the 5th input and third capacitance；
The termination biasing of 4th choke induction one, the other end are connected between third capacitance and the 6th input matching inductance；Described
Six adjustable matching capacitance one end of input are grounded, and the other end is connected between third capacitance and the 6th input matching inductance.
4. a kind of multi-frequency band radio-frequency power amplifier according to claim 1, it is characterised in that：The stabilizing network is adopted
With RLC networks, including 3rd resistor, the second inductance and the 13rd capacitance being sequentially connected in series, wherein, 3rd resistor one end
It is connected between the 4th capacitance and power amplifying transistor, the other end is connected to the second inductance；13rd capacitance one end connects
It is connected to the second inductance, other end ground connection.
5. a kind of multi-frequency band radio-frequency power amplifier according to claim 1, it is characterised in that：The direct current biasing supplies
Electric network includes biasing power supply and drain electrode power supply two parts；Wherein biasing power supply is by the decoupling capacitance of the 4th resistance, the 7th and the 8th
Composition, the 4th resistance one end are connect with external bias power voltage supply end, the grid connection of the other end and power amplifying transistor, the
Seven and the 8th decoupling capacitance is connected in parallel on bias voltage feeder ear between ground；Drain electrode power supply include the 7th inductance, the 5th resistance with
And the 9th and the tenth decoupling capacitance；Wherein the 7th inductance one end is connect with external drain power supply terminal, the other end and power amplification
The drain electrode connection of transistor, the 5th resistance and the 7th inductance in parallel, the 9th and the tenth decoupling capacitance are connected in parallel on drain electrode power supply terminal
Between ground.
6. a kind of multi-frequency band radio-frequency power amplifier according to claim 1, it is characterised in that：The tunable output
Matching network includes the 11st capacitance, the 9th choke induction, the 12nd variable output matching capacitance and the 8th output matching
Inductance, wherein：11st capacitance is connected with the 8th output matching inductance, the 8th output another termination of matching inductance
The output terminal of filter circuit；Described 9th choke induction one end be connected to the 11st capacitance and the 8th output matching inductance it
Between, another termination direct current biasing supply network；Described 12nd variable output matching capacitance one end is connected to the 11st blocking electricity
Hold between the 8th output matching inductance, other end ground connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721263606.XU CN207490871U (en) | 2017-09-29 | 2017-09-29 | A kind of multi-frequency band radio-frequency power amplifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721263606.XU CN207490871U (en) | 2017-09-29 | 2017-09-29 | A kind of multi-frequency band radio-frequency power amplifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207490871U true CN207490871U (en) | 2018-06-12 |
Family
ID=62482975
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721263606.XU Expired - Fee Related CN207490871U (en) | 2017-09-29 | 2017-09-29 | A kind of multi-frequency band radio-frequency power amplifier |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112491372A (en) * | 2020-11-18 | 2021-03-12 | 西安交通大学 | Radio frequency power amplifying circuit based on artificial nonlinear matching network |
| WO2021253597A1 (en) * | 2020-06-16 | 2021-12-23 | 锐石创芯（深圳）科技有限公司 | Power amplifier output matching circuit, radio frequency front-end module, and wireless device |
| WO2023070474A1 (en) * | 2021-10-28 | 2023-05-04 | 华为技术有限公司 | Multi-band power amplification circuit, radio frequency transceiver, and base station |
-
2017
- 2017-09-29 CN CN201721263606.XU patent/CN207490871U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021253597A1 (en) * | 2020-06-16 | 2021-12-23 | 锐石创芯（深圳）科技有限公司 | Power amplifier output matching circuit, radio frequency front-end module, and wireless device |
| CN112491372A (en) * | 2020-11-18 | 2021-03-12 | 西安交通大学 | Radio frequency power amplifying circuit based on artificial nonlinear matching network |
| CN112491372B (en) * | 2020-11-18 | 2023-08-15 | 西安交通大学 | Radio frequency power amplifying circuit based on artificial nonlinear matching network |
| WO2023070474A1 (en) * | 2021-10-28 | 2023-05-04 | 华为技术有限公司 | Multi-band power amplification circuit, radio frequency transceiver, and base station |
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Legal Events
| Date | Code | Title | Description |
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| 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: 20180612 Termination date: 20190929 |