CN107800489B - Power amplifier device for portable Takang ground equipment - Google Patents
Power amplifier device for portable Takang ground equipment Download PDFInfo
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- CN107800489B CN107800489B CN201711216521.0A CN201711216521A CN107800489B CN 107800489 B CN107800489 B CN 107800489B CN 201711216521 A CN201711216521 A CN 201711216521A CN 107800489 B CN107800489 B CN 107800489B
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- 230000003321 amplification Effects 0.000 claims abstract description 23
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 23
- 238000001514 detection method Methods 0.000 claims abstract description 17
- 230000002194 synthesizing effect Effects 0.000 claims description 8
- 230000015572 biosynthetic process Effects 0.000 abstract 2
- 238000003786 synthesis reaction Methods 0.000 abstract 2
- 230000008901 benefit Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B14/00—Transmission systems not characterised by the medium used for transmission
- H04B14/02—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/189—High-frequency amplifiers, e.g. radio frequency amplifiers
- H03F3/19—High-frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only
- H03F3/193—High-frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only with field-effect devices
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
- H03F3/21—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
- H03F3/211—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only using a combination of several amplifiers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
- H03F3/24—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers of transmitter output stages
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B14/00—Transmission systems not characterised by the medium used for transmission
- H04B14/02—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation
- H04B14/04—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using pulse code modulation
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/451—Indexing scheme relating to amplifiers the amplifier being a radio frequency amplifier
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Amplifiers (AREA)
Abstract
The invention provides a power amplifier device for portable Takang ground equipment, which comprises: the device comprises a coding pulse generation circuit, a coding pulse modulation amplification circuit, a Gaussian pulse generation circuit, a Gaussian pulse modulation amplification circuit, a final stage power synthesis circuit, a directional coupler and a detection circuit, wherein the output end of the coding pulse generation circuit is connected with the input end of the coding pulse modulation amplification circuit, the Gaussian pulse generation circuit, the Gaussian pulse modulation amplification circuit, the final stage power synthesis circuit, the directional coupler and the detection circuit are sequentially connected, and the output end of the Gaussian pulse generation circuit is connected with the input end of the Gaussian pulse modulation amplification circuit. The invention can meet the requirements of high gain and miniaturization of the power amplifier of the portable Takang ground equipment, and has stable circuit operation and reliable performance.
Description
Technical Field
The invention relates to the technical field of Takang ground equipment, in particular to a power amplifier device for portable Takang ground equipment.
Background
The prior power amplifier applied to the Takang ground equipment adopts a bipolar transistor, has low power amplifier gain and large volume, can not meet the requirements of high power amplifier gain and miniaturization of the portable Takang ground equipment, and is a subject to be researched and solved by a person skilled in the art.
Disclosure of Invention
The object of the present invention is to solve at least one of the technical drawbacks.
Therefore, the invention aims to provide a power amplifier device for portable Takang ground equipment.
In order to achieve the above object, an embodiment of the present invention provides a code pulse generating circuit, a code pulse modulation amplifying circuit, a gaussian pulse generating circuit, a gaussian pulse modulation amplifying circuit, a last-stage power synthesizing circuit, a directional coupler, and a detection circuit, wherein an output terminal of the code pulse generating circuit is connected to an input terminal of the code pulse modulation amplifying circuit, the gaussian pulse generating circuit, the gaussian pulse modulation amplifying circuit, the last-stage power synthesizing circuit, the directional coupler, and the detection circuit are sequentially connected, an output terminal of the gaussian pulse generating circuit is connected to an input terminal of the gaussian pulse modulation amplifying circuit,
the detection circuit includes: the positive electrode of the Schottky diode is grounded, the negative electrode end of the Schottky diode is connected to the positive input end of the first operational amplifier, the negative input end of the first operational amplifier is connected to the emitter of the second NPN transistor, the output end of the first operational amplifier is connected to the base electrode of the second NPN transistor and the base electrode of the first NPN transistor, the emitter of the first NPN transistor is connected to the positive input end of the second operational amplifier,
wherein the code pulse generating circuit generates code pulse, and the code pulse generating circuit and the input continuous are sent to the code pulse modulation amplifying circuit together for modulation amplification, then pulse modulated radio frequency signal with peak power of 26dBm is output to the Gaussian pulse modulation amplifying circuit, the Gaussian pulse modulation amplifying circuit carries out Gaussian modulation amplification on the radio frequency signal and the Gaussian pulse signal generated by the Gaussian pulse generating circuit, then Gaussian modulated radio frequency signal with peak power of 35dBm is output to the last-stage amplifying circuit, gaussian modulated signal with peak power of 47dBm is output after the signal is amplified by the last-stage amplifying circuit, gaussian modulated signal with peak power of 59dBm is output after the signal is amplified to the last-stage power synthesizing circuit, and the Gaussian modulated signal is sent to the directional coupler,
the directional coupler outputs two paths of signals, one path of signals with the output peak power of 800W is provided for an antenna, and the other path of signals are sent to a detection circuit, and the signals are detected to generate emission detection signals.
Further, the code pulse modulation amplifying circuit receives 13dBm continuous wave.
According to the power amplification device for the portable Takang ground equipment, the PA module of the LDMOS tube is adopted for design, the gain can reach about 60dB, fewer power amplification devices are needed when the same power is output, the requirements of high gain and miniaturization of the power amplification of the portable Takang ground equipment can be met, the circuit is stable in operation and reliable in performance, and the power amplification device is successfully applied to the portable Takang ground equipment, so that good technical benefit and economic benefit are achieved.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The foregoing and/or additional aspects and advantages of the invention will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 is a block diagram of a power amplifier apparatus for portable Takang ground equipment according to an embodiment of the present invention;
fig. 2 is a circuit diagram of a detection circuit according to an embodiment of the present invention.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
The invention provides a power amplifier device for portable Takang ground equipment, which can be applied to ground Takang and DME ranging equipment.
As shown in fig. 1, a power amplifier device for a portable tacon ground device according to an embodiment of the present invention includes: the device comprises a coding pulse generating circuit 6, a coding pulse modulation amplifying circuit 1, a Gaussian pulse generating circuit 7, a Gaussian pulse modulation amplifying circuit 2, a last pre-stage amplifying circuit 3, a last-stage power synthesizing circuit 4, a directional coupler 5 and a detection circuit 8.
Specifically, the output end of the encoding pulse generating circuit 6 is connected with the input end of the encoding pulse modulation amplifying circuit 1, and the encoding pulse modulation amplifying circuit 1, the gaussian pulse generating circuit 7, the gaussian pulse modulation amplifying circuit 2, the final-stage amplifying circuit 3, the final-stage power synthesizing circuit 4, the directional coupler 5 and the detecting circuit 8 are sequentially connected, and the output end of the gaussian pulse generating circuit 7 is connected with the input end of the gaussian pulse modulation amplifying circuit 2.
As shown in fig. 2, the detection circuit 8 includes: the Schottky diode D1, the first operational amplifier U1, the second operational amplifier U2, the first NPN transistor Q1 and the second NPN transistor Q2, wherein the positive electrode terminal of the Schottky diode D1 is grounded, the negative electrode terminal of the Schottky diode D1 is connected to the positive input terminal of the first operational amplifier U1, the negative input terminal of the first operational amplifier U1 is connected to the emitter of the second NPN transistor, the output terminal of the first operational amplifier U1 is connected to the base electrode of the second NPN transistor Q2 and the base electrode of the first NPN transistor, and the emitter of the first NPN transistor Q1 is connected to the positive input terminal of the second operational amplifier U2.
The power amplifier device for the portable Takang ground equipment provided by the embodiment of the invention has the following working principle:
the coding pulse generating circuit 6 generates coding pulse and 13dBm continuous wave to the coding pulse modulation amplifying circuit, after modulation and amplification, pulse modulated radio frequency signal with peak power of 26dBm is output, the signal and Gaussian pulse generated by the Gaussian pulse generating circuit 7 are together sent to the Gaussian pulse modulation amplifying circuit 2, after Gaussian modulation and amplification, gaussian modulated radio frequency signal with peak power of 35dBm is output, then sent to the final stage amplifying circuit 3, gaussian modulated signal with peak power of 47dBm is output after amplification, sent to the final stage power synthesizing circuit 4, gaussian modulated signal with peak power of 59dBm is output after amplification, sent to the directional coupler 5, one path outputs 800W peak power to the antenna, and the other path is sent to the detecting circuit 8, after detection, emission detection is generated for power amplification closed loop and parameter monitoring of emission pulse number, peak power and the like.
The power amplifier device for the portable Takang ground equipment provided by the embodiment of the invention has the following technical indexes:
1. operating frequency range: (962-1213) MHz.
2. Continuous wave input: (13+ -2) dBm.
3. Peak power output: 800 W+ -2 dB.
4. Emission detection waveform:
1) Pulse rise time: (2.0.+ -. 0.5) μ s;
2) Pulse width: (3.5.+ -. 0.5) μ s;
3) Pulse fall time:
5. transmitting a pulse spectrum:
the peak effective radiation power within each + -0.25 MHz bandwidth centered at a frequency of + -0.8 MHz from the nominal frequency of the channel is no more than 100mW, and the peak effective radiation power within each + -0.25 MHz bandwidth centered at a frequency of + -2.0 MHz from the nominal frequency of the channel is no more than 2mW.
6. Supply voltage: +48V, + -15V, +5V.
7. Working temperature range: (-40 to +55) DEG C.
According to the power amplification device for the portable Takang ground equipment, the PA module of the LDMOS tube is adopted for design, the gain can reach about 60dB, fewer power amplification devices are needed when the same power is output, the requirements of high gain and miniaturization of the power amplification of the portable Takang ground equipment can be met, the circuit is stable in operation and reliable in performance, and the power amplification device is successfully applied to the portable Takang ground equipment, so that good technical benefit and economic benefit are achieved.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the invention, and that variations, modifications, alternatives, and variations may be made in the above embodiments by those skilled in the art without departing from the spirit and principles of the invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (2)
1. A power amplifier device for portable tacon ground equipment, comprising: the output end of the coding pulse generating circuit is connected with the input end of the coding pulse modulation amplifying circuit, the Gaussian pulse modulation amplifying circuit, the last-stage power synthesizing circuit, the directional coupler and the detection circuit are sequentially connected, the output end of the Gaussian pulse generating circuit is connected with the input end of the Gaussian pulse modulation amplifying circuit,
the detection circuit includes: the positive electrode of the Schottky diode is grounded, the negative electrode end of the Schottky diode is connected to the positive input end of the first operational amplifier, the negative input end of the first operational amplifier is connected to the emitter of the second NPN transistor, the output end of the first operational amplifier is connected to the base electrode of the second NPN transistor and the base electrode of the first NPN transistor, the emitter of the first NPN transistor is connected to the positive input end of the second operational amplifier,
wherein the code pulse generating circuit generates code pulse, and the code pulse generating circuit and the input continuous are sent to the code pulse modulation amplifying circuit together for modulation amplification, then pulse modulated radio frequency signal with peak power of 26dBm is output to the Gaussian pulse modulation amplifying circuit, the Gaussian pulse modulation amplifying circuit carries out Gaussian modulation amplification on the radio frequency signal and the Gaussian pulse signal generated by the Gaussian pulse generating circuit, then Gaussian modulated radio frequency signal with peak power of 35dBm is output to the last-stage amplifying circuit, gaussian modulated signal with peak power of 47dBm is output after the signal is amplified by the last-stage amplifying circuit, gaussian modulated signal with peak power of 59dBm is output after the signal is amplified to the last-stage power synthesizing circuit, and the Gaussian modulated signal is sent to the directional coupler,
the directional coupler outputs two paths of signals, one path of signals with the output peak power of 800W is provided for an antenna, and the other path of signals are sent to a detection circuit, and the signals are detected to generate emission detection signals.
2. The power amplifier apparatus for a portable tacon ground device of claim 1, wherein the code pulse modulation amplification circuit receives a 13dBm continuous wave.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711216521.0A CN107800489B (en) | 2017-11-28 | 2017-11-28 | Power amplifier device for portable Takang ground equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711216521.0A CN107800489B (en) | 2017-11-28 | 2017-11-28 | Power amplifier device for portable Takang ground equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107800489A CN107800489A (en) | 2018-03-13 |
| CN107800489B true CN107800489B (en) | 2024-03-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711216521.0A Active CN107800489B (en) | 2017-11-28 | 2017-11-28 | Power amplifier device for portable Takang ground equipment |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109194340A (en) * | 2018-07-09 | 2019-01-11 | 天津七六四通信导航技术有限公司 | 800W transmitter and implementation method applied to portable Tacan ground installation |
| CN113659935B (en) * | 2021-10-21 | 2022-03-15 | 南京正銮电子科技有限公司 | Gaussian pulse power amplifier and transmitter |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001093441A1 (en) * | 2000-05-26 | 2001-12-06 | Xtremespectrum, Inc. | Ultra wide bandwidth spread-spectrum communications method and system |
| CN202268875U (en) * | 2011-10-17 | 2012-06-06 | 天津七六四通信导航技术有限公司 | Tacan ground station receiver |
| CN204180058U (en) * | 2014-10-29 | 2015-02-25 | 石家庄东泰尔通信技术有限公司 | A kind of envelope solid state transmitter modulating device |
| CN206294187U (en) * | 2016-12-14 | 2017-06-30 | 北京中航科电测控技术股份有限公司 | A kind of Tacan precise distance measurement standard signal simulator |
| CN207652446U (en) * | 2017-11-28 | 2018-07-24 | 天津七六四通信导航技术有限公司 | A kind of power amplification device for portable Tacan ground installation |
-
2017
- 2017-11-28 CN CN201711216521.0A patent/CN107800489B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001093441A1 (en) * | 2000-05-26 | 2001-12-06 | Xtremespectrum, Inc. | Ultra wide bandwidth spread-spectrum communications method and system |
| CN202268875U (en) * | 2011-10-17 | 2012-06-06 | 天津七六四通信导航技术有限公司 | Tacan ground station receiver |
| CN204180058U (en) * | 2014-10-29 | 2015-02-25 | 石家庄东泰尔通信技术有限公司 | A kind of envelope solid state transmitter modulating device |
| CN206294187U (en) * | 2016-12-14 | 2017-06-30 | 北京中航科电测控技术股份有限公司 | A kind of Tacan precise distance measurement standard signal simulator |
| CN207652446U (en) * | 2017-11-28 | 2018-07-24 | 天津七六四通信导航技术有限公司 | A kind of power amplification device for portable Tacan ground installation |
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