CN111060744A - A pulse peak power meter applied to TACAN ground equipment and its realization method - Google Patents
A pulse peak power meter applied to TACAN ground equipment and its realization method Download PDFInfo
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- CN111060744A CN111060744A CN201911300838.1A CN201911300838A CN111060744A CN 111060744 A CN111060744 A CN 111060744A CN 201911300838 A CN201911300838 A CN 201911300838A CN 111060744 A CN111060744 A CN 111060744A
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- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R21/00—Arrangements for measuring electric power or power factor
- G01R21/133—Arrangements for measuring electric power or power factor by using digital technique
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Abstract
本发明涉公开了一种应用于塔康地面设备的脉冲峰值功率计及实现方法。包括AC/DC电源模块、精密衰减器、峰值功率传感器、放大器1、视频放大电路、峰值保持电路、放大器2、A/D电路、CPU、LED缓冲驱动电路、LED显示器，AC/DC电源模块输入交流220V，输出±5V、±15V，脉冲峰值功率输入精密衰减器，峰值功率传感器、放大器1、峰值保持电路、放大器2、A/D、CPU、LED缓冲驱动电路、LED显示器单向连接在一起，放大器1和视频放大电路单向连接在一起，峰值功率传感器和CPU单向连接在一起。技术效果是功率计测量结果直接由LED显示，功率计具有测量速度快，精度高，使用方便的特点。
The invention relates to and discloses a pulse peak power meter applied to TACAN ground equipment and a realization method. Including AC/DC power module, precision attenuator, peak power sensor, amplifier 1, video amplifier circuit, peak hold circuit, amplifier 2, A/D circuit, CPU, LED buffer drive circuit, LED display, AC/DC power module input AC 220V, output ±5V, ±15V, pulse peak power input precision attenuator, peak power sensor, amplifier 1, peak hold circuit, amplifier 2, A/D, CPU, LED buffer drive circuit, LED display unidirectionally connected together , the amplifier 1 and the video amplifier circuit are connected together in one direction, and the peak power sensor and the CPU are connected together in one direction. The technical effect is that the measurement results of the power meter are directly displayed by the LED, and the power meter has the characteristics of fast measurement speed, high precision and convenient use.
Description
Technical Field
The invention relates to a pulse peak power meter, in particular to a pulse peak power meter applied to Tacan ground equipment and an implementation method.
Background
The tacan ground equipment works in the L-band, outputs high-power pulse peak power, and how to measure the pulse peak power becomes a subject to be researched and solved by the technical personnel in the field.
Disclosure of Invention
In order to meet the existing requirements, the invention provides a pulse peak power meter applied to Takang ground equipment and an implementation method.
The technical scheme adopted by the invention is as follows: the utility model provides a be applied to pulse peak power meter of takang ground equipment which characterized in that: the LED peak power control circuit comprises an AC/DC power supply module, a precise attenuator, a peak power sensor circuit, a first amplifier, a video amplification circuit, a peak holding circuit, a second amplifier, an A/D circuit, a CPU control circuit, an LED buffer driving circuit and an LED display, wherein the AC/DC power supply module inputs 220V of alternating current and outputs +/-5V and +/-15V, pulse peak power inputs the precise attenuator, the peak power sensor circuit, the first amplifier, the peak holding circuit, the second amplifier, the A/D circuit, the CPU control circuit, the LED buffer driving circuit and the LED display are connected together in a one-way mode, the first amplifier is connected with the video amplification circuit in a one-way mode, and the peak power sensor is connected with the CPU control circuit in a one-way mode.
The CPU control circuit adopts a control chip with the model number of LPC1768FBD100, and the control chip is respectively connected with a serial port 0 circuit, a serial port 1 circuit, a serial port 2 circuit, a network port circuit, a clock circuit and a parameter storage circuit in a bidirectional way; the control chip is also respectively connected with the A/D circuit, the peak power sensor circuit, the output interface circuit, the input interface circuit and the LED buffer driving circuit in a one-way mode.
The invention relates to a method for realizing a pulse peak power meter applied to Tacan ground equipment, which is characterized by comprising the following steps: the AC/DC power supply module inputs alternating current 220V and outputs direct current +/-5V and +/-15V for each circuit, measured Tacan pulse peak power is input into a precision attenuator, after the attenuation of the precision attenuator, the power sensor consisting of a microwave diode and an amplifying circuit detects the envelope of an input signal, the input signal is amplified by a first amplifier and then divided into two paths, one path of signal is amplified by a video amplifying circuit and then outputs a video envelope signal in the range of 0-3V, the other path of signal is amplified by a peak holding circuit and then outputs a level signal corresponding to the peak value, the level signal is sent into an A/D circuit after being amplified by a second amplifier, a digital level signal is generated after being converted by the A/D circuit and is input into a CPU control circuit, the CPU control circuit operates the digital level signal and then processes the digital level signal and correction data stored in the peak power sensor, and then the measured data is output to an LED buffer driving circuit to drive an LED display to display the measured result.
The invention has the technical effects that: the measurement result of the pulse peak power meter is directly displayed by the LED, and the pulse peak power meter has the characteristics of high measurement speed, high precision and convenience in use.
Drawings
FIG. 1 is a block diagram of the circuit connections of the present invention;
fig. 2 is a block diagram of CPU hardware components.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
As shown in fig. 1, the pulse peak power meter expands the range by a precision attenuator, calculates and corrects the detected signal by a CPU by a diode peak detection method, and directly displays the measurement result by an LED. The LED peak power control circuit comprises an AC/DC power supply module, a precise attenuator, a peak power sensor, a first amplifier, a video amplification circuit, a peak holding circuit, a second amplifier, an A/D circuit, a CPU control circuit, an LED buffer driving circuit and an LED display, wherein the AC/DC power supply module inputs 220V of alternating current and outputs +/-5V and +/-15V, pulse peak power is input into the precise attenuator, the peak power sensor, the first amplifier, the peak holding circuit, the second amplifier, the A/D circuit, the CPU control circuit, the LED buffer driving circuit and the LED display are connected together in a one-way mode, the first amplifier is connected with the video amplification circuit in a one-way mode, and the peak power sensor is connected with the CPU in a one-way mode.
As shown in fig. 2, the CPU control circuit adopts a control chip with model number LPC1768FBD100, which is bidirectionally connected to the serial port 0 circuit, the serial port 1 circuit, the serial port 2 circuit, the network port circuit, the clock circuit, and the parameter storage circuit, respectively; the control chip is also respectively connected with the A/D circuit, the peak power sensor circuit, the output interface circuit, the input interface circuit and the LED buffer driving circuit in a one-way mode.
The implementation method of the pulse peak power meter applied to the Takang ground equipment comprises the following steps: the AC/DC power supply module inputs alternating current 220V and outputs direct current +/-5V and +/-15V for each circuit, measured Tacan pulse peak power is input into a precision attenuator, after the attenuation of the precision attenuator, the power sensor consisting of a microwave diode and an amplifying circuit detects the envelope of an input signal, the input signal is amplified by a first amplifier and then divided into two paths, one path of signal is amplified by a video amplifying circuit and then outputs a video envelope signal in the range of 0-3V, the other path of signal is amplified by a peak holding circuit and then outputs a level signal corresponding to the peak value, the level signal is sent into an A/D circuit after being amplified by a second amplifier, a digital level signal is generated after being converted by the A/D circuit and is input into a CPU control circuit, the CPU control circuit operates the digital level signal and then processes the digital level signal and correction data stored in the peak power sensor, and then the measured data is output to an LED buffer driving circuit to drive an LED display to display the measured result.
As shown in fig. 2, the CPU control circuit of the pulse peak power meter mainly performs the following functions: carrying out data conversion of peak power on the digital signals acquired by the A/D, carrying out data processing on the calculated peak power value, and outputting the processed peak power value to an LED driving circuit for power value display; controlling a serial port driving circuit to carry out serial port communication and serial port debugging; control I2The interface C is used for storing parameters; and controlling the input/output interface circuit.
The technical indexes of the pulse peak power meter are as follows:
1) the working frequency range: (900-1300) MHz.
2) Maximum measured power: the pulse peak power is 10 kW.
3) Continuous wave maximum withstand power: 500W (equivalent).
4) Measuring the dynamic range: 20dB (0.1 kW-10 kW).
5) And precision: less than or equal to plus or minus 0.6dB (0.1 kW-10 kW).
6) And pulse width: more than or equal to 1 mu s.
7) Pulse repetition frequency: 100 Hz-20 kHz.
8) And video output: (0-3) V.
9) And a power supply: exchange 220V (1 + -10%), 50Hz (1 + -5%).
10) And displaying: and the LED display screen displays the measurement reading.
Claims (3)
1. The utility model provides a be applied to pulse peak power meter of takang ground equipment which characterized in that: the LED peak power control circuit comprises an AC/DC power supply module, a precise attenuator, a peak power sensor circuit, a first amplifier, a video amplification circuit, a peak holding circuit, a second amplifier, an A/D circuit, a CPU control circuit, an LED buffer driving circuit and an LED display, wherein the AC/DC power supply module inputs 220V of alternating current and outputs +/-5V and +/-15V, pulse peak power inputs the precise attenuator, the peak power sensor circuit, the first amplifier, the peak holding circuit, the second amplifier, the A/D circuit, the CPU control circuit, the LED buffer driving circuit and the LED display are connected together in a one-way mode, the first amplifier is connected with the video amplification circuit in a one-way mode, and the peak power sensor circuit is connected with the CPU control circuit in a one-way mode.
2. A pulse peak power meter for a tacan floor device according to claim 1, wherein: the CPU control circuit adopts a control chip with the model number of LPC1768FBD100, and the control chip is respectively connected with the serial port 0 circuit, the serial port 1 circuit, the serial port 2 circuit, the network port circuit, the clock circuit and the parameter storage circuit in a bidirectional way; the control chip is also respectively connected with the A/D circuit, the peak power sensor circuit, the output interface circuit, the input interface circuit and the LED buffer driving circuit in a one-way mode.
3. A method of implementation using a pulse peak power meter for tacan ground equipment according to claim 1 or claim 2, characterized by: the AC/DC power supply module inputs alternating current 220V and outputs direct current +/-5V and +/-15V for each circuit, measured Tacan pulse peak power is input into a precision attenuator, after the attenuation of the precision attenuator, the envelope of an input signal is detected by a peak power sensor consisting of a microwave diode and an amplifying circuit, the input signal is amplified by a first amplifier and then divided into two paths, one path of signal is amplified by a video amplifying circuit and then outputs a video envelope signal in the range of 0-3V, the other path of signal is amplified by a peak holding circuit and outputs a level signal corresponding to the peak value, the level signal is amplified by a second amplifier and then is sent into an A/D circuit, the digital level signal is generated after the conversion of the A/D circuit and is input into a CPU control circuit, the CPU control circuit operates the digital level signal and processes correction data stored in the peak power sensor, and then the measured data is output to an LED buffer driving circuit to drive an LED display to display the measured result.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911300838.1A CN111060744A (en) | 2019-12-17 | 2019-12-17 | A pulse peak power meter applied to TACAN ground equipment and its realization method |
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| CN201911300838.1A CN111060744A (en) | 2019-12-17 | 2019-12-17 | A pulse peak power meter applied to TACAN ground equipment and its realization method |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4546313A (en) * | 1983-03-14 | 1985-10-08 | The United States Of America As Represented By The United States Department Of Energy | Peak power ratio generator |
| CN101420209A (en) * | 2008-11-21 | 2009-04-29 | 北京时代民芯科技有限公司 | High speed large dynamic range digital automatic gain control circuit |
| CN103532530A (en) * | 2013-09-22 | 2014-01-22 | 北京石油化工学院 | Pulse peak detection device |
| CN104101778A (en) * | 2014-07-18 | 2014-10-15 | 中国电子科技集团公司第四十一研究所 | 67GHz coaxial broadband peak power probe |
| CN104819773A (en) * | 2015-04-21 | 2015-08-05 | 中国电子科技集团公司第四十一研究所 | Device and method for testing peak value optical power of continuous narrow pulse width laser |
| CN211785776U (en) * | 2019-12-17 | 2020-10-27 | 天津七六四通信导航技术有限公司 | Pulse peak power meter applied to Takang ground equipment |
-
2019
- 2019-12-17 CN CN201911300838.1A patent/CN111060744A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4546313A (en) * | 1983-03-14 | 1985-10-08 | The United States Of America As Represented By The United States Department Of Energy | Peak power ratio generator |
| CN101420209A (en) * | 2008-11-21 | 2009-04-29 | 北京时代民芯科技有限公司 | High speed large dynamic range digital automatic gain control circuit |
| CN103532530A (en) * | 2013-09-22 | 2014-01-22 | 北京石油化工学院 | Pulse peak detection device |
| CN104101778A (en) * | 2014-07-18 | 2014-10-15 | 中国电子科技集团公司第四十一研究所 | 67GHz coaxial broadband peak power probe |
| CN104819773A (en) * | 2015-04-21 | 2015-08-05 | 中国电子科技集团公司第四十一研究所 | Device and method for testing peak value optical power of continuous narrow pulse width laser |
| CN211785776U (en) * | 2019-12-17 | 2020-10-27 | 天津七六四通信导航技术有限公司 | Pulse peak power meter applied to Takang ground equipment |
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Country or region after: China Address after: No. 15, Weisi Road, Microelectronics Industrial Zone, Binhai Economic and Technological Development Zone, Tianjin, 300000 Applicant after: Tianjin 764 Communication Navigation Technology Co.,Ltd. Address before: No. 15 Weisi Road, Microelectronics Industrial Zone, Binhai New Area Economic and Technological Development Zone, Tianjin Applicant before: TIANJIN 764 COMMUNICATION AIRMANSHIP Co.,Ltd. Country or region before: China |