CN204376883U - A kind of miniaturized receiver circuit - Google Patents
A kind of miniaturized receiver circuit Download PDFInfo
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- CN204376883U CN204376883U CN201420810576.XU CN201420810576U CN204376883U CN 204376883 U CN204376883 U CN 204376883U CN 201420810576 U CN201420810576 U CN 201420810576U CN 204376883 U CN204376883 U CN 204376883U
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Abstract
本实用新型涉及ADS-B接收机电路，特别涉及应用于广播式自动相关监视系统设备上一种小型化接收机电路。小型化接收机电路包括低噪声放大电路、射频滤波电路、对数放大检波电路和视频放大电路，低噪声放大电路与射频滤波电路连接，射频滤波电路与对数放大检波电路连接，对数放大检波电路与视频放大电路连接。本实用新型的特点及有益效果是：采用直接高频解调方式，具有体积小、功耗低、电路组成简单、成本低、调试简单等特点。从而克服了传统接收机电路存在构成复杂、体积大、功耗大、装配复杂、成本高、调试困难等缺陷。
The utility model relates to an ADS-B receiver circuit, in particular to a miniaturized receiver circuit applied to broadcast automatic correlation monitoring system equipment. The miniaturized receiver circuit includes a low noise amplifier circuit, a radio frequency filter circuit, a logarithmic amplifier detection circuit and a video amplifier circuit, the low noise amplifier circuit is connected with the radio frequency filter circuit, the radio frequency filter circuit is connected with the logarithmic amplifier detector circuit, and the logarithmic amplifier detector circuit The circuit is connected with the video amplifying circuit. The characteristics and beneficial effects of the utility model are: the direct high-frequency demodulation method is adopted, and the utility model has the characteristics of small size, low power consumption, simple circuit composition, low cost, and simple debugging. Therefore, it overcomes the defects of complex structure, large volume, high power consumption, complex assembly, high cost, and difficult debugging in traditional receiver circuits.
Description
技术领域 technical field
本实用新型涉及ADS-B接收机电路，特别涉及应用于广播式自动相关监视（ADS-B）系统设备上一种小型化接收机电路。 The utility model relates to an ADS-B receiver circuit, in particular to a miniaturized receiver circuit applied to broadcast automatic dependent surveillance (ADS-B) system equipment.
背景技术 Background technique
目前广播式自动相关监视（ADS-B）系统的接收机，采用下变频模式，包括PLL本振电路、低噪声放大器电路、射频滤波器、中频滤波器、混频器以及视频解调及放大电路（如图1所示）。其电路存在构成复杂、体积大、功耗大、装配复杂、成本高、调试困难等缺陷。并且不再适合装配在小型化的ADS-B系统上。 The receiver of the current Automatic Dependent Surveillance-Broadcast (ADS-B) system adopts the down conversion mode, including PLL local oscillator circuit, low noise amplifier circuit, radio frequency filter, intermediate frequency filter, mixer and video demodulation and amplification circuit (As shown in Figure 1). Its circuit has defects such as complex composition, large volume, high power consumption, complex assembly, high cost, and difficult debugging. And it is no longer suitable for assembly on the miniaturized ADS-B system.
发明内容 Contents of the invention
鉴于现有技术状况，本实用新型提供一种小型化ADS-B接收机电路。 In view of the state of the art, the utility model provides a miniaturized ADS-B receiver circuit.
本实用新型为实现上述目的，所采用的技术方案是：一种小型化接收机电路，其特征在于：包括低噪声放大电路、射频滤波器、对数放大检波电路和视频放大电路，低噪声放大电路与射频滤波器连接，射频滤波器与对数放大检波电路连接，对数放大检波电路与视频放大电路连接；所述低噪声放大电路采用型号为WHM0814A低噪声放大器N1，采用型号为GA1090-13A射频滤波器N2，低噪声放大器N1的1脚为射频信号输入端，低噪声放大器N1的3脚连接电容C10的一端和电容C13的一端后接+5V电源，电容C10的另一端和电容C13的另一端分别接地；低噪声放大器N1的2脚连接电阻R9的一端和电阻R7的一端，电阻R9的另一端接地，电阻R7的另一端连接电阻R10的一端和射频滤波器N2的输入端，电阻R10的另一端接地。 In order to achieve the above object, the utility model adopts the following technical solution: a miniaturized receiver circuit, characterized in that it includes a low-noise amplifier circuit, a radio frequency filter, a logarithmic amplifier detection circuit and a video amplifier circuit, and the low-noise amplifier The circuit is connected to the radio frequency filter, the radio frequency filter is connected to the logarithmic amplification detection circuit, and the logarithmic amplification detection circuit is connected to the video amplification circuit; the low noise amplification circuit adopts the model WHM0814A low noise amplifier N1, and the model is GA1090-13A RF filter N2, pin 1 of low noise amplifier N1 is the input terminal of radio frequency signal, pin 3 of low noise amplifier N1 connects one end of capacitor C10 and one end of capacitor C13 to +5V power supply, the other end of capacitor C10 and capacitor C13 The other ends are grounded respectively; pin 2 of the low-noise amplifier N1 is connected to one end of the resistor R9 and one end of the resistor R7, the other end of the resistor R9 is grounded, and the other end of the resistor R7 is connected to one end of the resistor R10 and the input end of the RF filter N2. The other end of R10 is grounded.
本实用新型的特点及有益效果是：采用直接高频解调方式，具有体积小、功耗低、电路组成简单、成本低、调试简单等特点。从而克服了传统接收机电路存在构成复杂、体积大、功耗大、装配复杂、成本高、调试困难等缺陷。 The characteristics and beneficial effects of the utility model are: the direct high-frequency demodulation method is adopted, and the utility model has the characteristics of small size, low power consumption, simple circuit composition, low cost, and simple debugging. Therefore, it overcomes the defects of complex structure, large volume, high power consumption, complex assembly, high cost, and difficult debugging in traditional receiver circuits.
附图说明 Description of drawings
图1为下变频模式接收机电路连接框图； Figure 1 is a block diagram of the circuit connection of the down-conversion mode receiver;
图2为本实用新型电路连接框图； Fig. 2 is a circuit connection block diagram of the utility model;
图3为图2中低噪声放大电路和射频滤波器原理图； Fig. 3 is a schematic diagram of a low noise amplifier circuit and a radio frequency filter in Fig. 2;
图4为图2中对数放大检波电路原理图； Fig. 4 is a schematic diagram of the logarithmic amplification detection circuit in Fig. 2;
图5为图2中视频放大电路原理图。 FIG. 5 is a schematic diagram of the video amplification circuit in FIG. 2 .
具体实施方式 Detailed ways
以下结合附图对本实用新型作进一步说明： Below in conjunction with accompanying drawing, the utility model will be further described:
参照图2，小型化接收机电路包括低噪声放大电路、射频滤波器、对数放大检波电路和视频放大电路，低噪声放大电路与射频滤波器连接，射频滤波器与对数放大检波电路连接，对数放大检波电路与视频放大电路连接。接收机电路的输入信号为高频脉冲调制信号，输出信号为视频脉冲信号。 Referring to Fig. 2, the miniaturized receiver circuit includes a low noise amplifier circuit, a radio frequency filter, a logarithmic amplification detection circuit and a video amplification circuit, the low noise amplifier circuit is connected with the radio frequency filter, and the radio frequency filter is connected with the logarithmic amplification detection circuit, The logarithmic amplification detection circuit is connected with the video amplification circuit. The input signal of the receiver circuit is a high-frequency pulse modulation signal, and the output signal is a video pulse signal.
参照图3，本实用新型的低噪声放大电路采用型号为WHM0814A低噪声放大器N1，采用型号为GA1090-13A射频滤波器N2，低噪声放大器N1的1脚为射频信号输入端，低噪声放大器N1的3脚连接电容C10的一端和电容C13的一端后接+5V电源，电容C10的另一端和电容C13的另一端分别接地；低噪声放大器N1的2脚连接电阻R9的一端和电阻R7的一端，电阻R9的另一端接地，电阻R7的另一端连接电阻R10的一端和射频滤波器N2的输入端，电阻R10的另一端接地。 With reference to Fig. 3, the low-noise amplifier circuit of the present utility model adopts model to be WHM0814A low-noise amplifier N1, adopts model to be GA1090-13A radio-frequency filter N2, 1 foot of low-noise amplifier N1 is the radio-frequency signal input end, the 1 pin of low-noise amplifier N1 Pin 3 is connected to one end of capacitor C10 and one end of capacitor C13 and then connected to +5V power supply, the other end of capacitor C10 and the other end of capacitor C13 are respectively grounded; pin 2 of low noise amplifier N1 is connected to one end of resistor R9 and one end of resistor R7, The other end of the resistor R9 is grounded, the other end of the resistor R7 is connected to one end of the resistor R10 and the input end of the radio frequency filter N2, and the other end of the resistor R10 is grounded.
参照图4，本实用新型的对数放大检波电路采用AD8313对数放大检波芯片D2，其输入为射频信号，输出为经检波后的视频脉冲信号。对数放大检波芯片D2的1脚连接电容C4的一端和电阻R5的一端，电容C4的另一端接地，电阻R5的另一端接+5V电源；对数放大检波芯片D2的2脚连接电感L1的一端和电容C6的一端，电容C6的另一端为信号输入端与射频滤波器N2的输出端连接；对数放大检波芯片D2的3脚连接电感L1的另一端和电容C7的一端，电容C7的另一端接地；对数放大检波芯片D2的4脚连接电阻R12的一端和电容C11的一端，电阻R12的另一端接+5V电源，电容C11的另一端接地；对数放大检波芯片D2的5脚和6脚连接后接地；对数放大检波芯片D2的7脚和8脚连接后接电阻R8的一端，电阻R8的另一端为信号输出端。 Referring to Fig. 4, the logarithmic amplification detection circuit of the present utility model adopts the AD8313 logarithmic amplification detection chip D2, and its input is a radio frequency signal, and the output is a video pulse signal after detection. Pin 1 of logarithmic amplification detection chip D2 is connected to one end of capacitor C4 and one end of resistor R5, the other end of capacitor C4 is grounded, and the other end of resistor R5 is connected to +5V power supply; pin 2 of logarithmic amplification detection chip D2 is connected to inductor L1 One end and one end of the capacitor C6, the other end of the capacitor C6 is the signal input end connected to the output end of the radio frequency filter N2; the 3-pin of the logarithmic amplification detection chip D2 is connected to the other end of the inductor L1 and one end of the capacitor C7, and the capacitor C7 The other end is grounded; pin 4 of logarithmic amplification detection chip D2 is connected to one end of resistor R12 and one end of capacitor C11, the other end of resistor R12 is connected to +5V power supply, and the other end of capacitor C11 is grounded; pin 5 of logarithmic amplification detection chip D2 After connecting with pin 6, it is grounded; after connecting pin 7 and pin 8 of the logarithmic amplification detection chip D2, one end of resistor R8 is connected, and the other end of resistor R8 is the signal output end.
参照图5，本实用新型的视频放大电路采用两级运算放大器，第一级采用AD8009运算放大器D1，第二级采用AD8051运算放大器D3，在第二级增加了两个电位器，能够进行放大倍数和噪声门限调节。运算放大器D1的3脚为信号输入端，运算放大器D1的7脚连接电容C1的一端后接+5V电源，电容C1的另一端接地；运算放大器D1的4脚连接电容C8的一端后接-5V电源，电容C8的另一端接地；运算放大器D1的2脚连接电阻R4的一端，电阻R4的另一端连接电阻R3的一端、电阻R6的一端及运算放大器D1的6脚；电阻R6的另一端连接电位器RP2的一端，电位器RP2的另一端通过电阻R11接地，电位器RP2的滑动端连接运算放大器D3的3脚，运算放大器D3的4脚连接电容C9的一端和电容C11的一端后接-5V电源，电容C9的另一端和电容C11的另一端分别接地；运算放大器D3的2脚连接电阻R2的一端和电阻R1的一端，电阻R1的另一端连接电位器RP1的滑动端，电位器RP2的一端接+5V电源，另一端接地；运算放大器D3的7脚连接电容C3的一端和电容C2的一端后接+5V电源，电容C3的另一端和电容C2的另一端分别接地；电阻R2的另一端连接至运算放大器D3的6脚作为视频输出端。 With reference to Fig. 5, the video amplifying circuit of the present utility model adopts two-stage operational amplifier, and the first stage adopts AD8009 operational amplifier D1, and the second stage adopts AD8051 operational amplifier D3, has increased two potentiometers in the second stage, can carry out magnification and noise threshold adjustment. Pin 3 of operational amplifier D1 is the signal input terminal, pin 7 of operational amplifier D1 is connected to one end of capacitor C1 and then connected to +5V power supply, and the other end of capacitor C1 is grounded; pin 4 of operational amplifier D1 is connected to one end of capacitor C8 and then connected to -5V Power supply, the other end of the capacitor C8 is grounded; the 2-pin of the operational amplifier D1 is connected to one end of the resistor R4, and the other end of the resistor R4 is connected to one end of the resistor R3, one end of the resistor R6 and 6-pin of the operational amplifier D1; the other end of the resistor R6 is connected to One end of potentiometer RP2, the other end of potentiometer RP2 is grounded through resistor R11, the sliding end of potentiometer RP2 is connected to pin 3 of operational amplifier D3, and pin 4 of operational amplifier D3 is connected to one end of capacitor C9 and one end of capacitor C11 followed by - 5V power supply, the other end of the capacitor C9 and the other end of the capacitor C11 are respectively grounded; the 2 pins of the operational amplifier D3 are connected to one end of the resistor R2 and one end of the resistor R1, and the other end of the resistor R1 is connected to the sliding end of the potentiometer RP1, and the potentiometer RP2 One end of the capacitor is connected to the +5V power supply, and the other end is grounded; the 7-pin of the operational amplifier D3 is connected to one end of the capacitor C3 and one end of the capacitor C2 and then connected to the +5V power supply, and the other end of the capacitor C3 and the other end of the capacitor C2 are respectively grounded; the resistor R2 The other end is connected to pin 6 of the operational amplifier D3 as the video output end.
小型化接收机电路输入信号为射频脉冲调制信号，经过低噪声放大器放大、窄带滤波器滤波、对数放大器放大并检波、再经过视频放大电路放大后输出视频脉冲信号。 The input signal of the miniaturized receiver circuit is a radio frequency pulse modulation signal, which is amplified by a low-noise amplifier, filtered by a narrow-band filter, amplified and detected by a logarithmic amplifier, and then amplified by a video amplifier circuit to output a video pulse signal.
与图1所示的下变频模式接收机电路对比可以看出，本小型化接收机电路组成简单、体积小、功耗低，适用于小型化ADS-B系统上。 Compared with the down-conversion mode receiver circuit shown in Figure 1, it can be seen that this miniaturized receiver circuit has simple composition, small size, and low power consumption, and is suitable for miniaturized ADS-B systems.
本电路达到的技术指标如下： The technical indicators achieved by this circuit are as follows:
工作频率：1090MHz； Working frequency: 1090MHz;
灵敏度：-90dBm； Sensitivity: -90dBm;
动态范围：-90dBm到-10dBm； Dynamic range: -90dBm to -10dBm;
输出信号：方波。 Output signal: square wave.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420810576.XU CN204376883U (en) | 2014-12-21 | 2014-12-21 | A kind of miniaturized receiver circuit |
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| CN201420810576.XU CN204376883U (en) | 2014-12-21 | 2014-12-21 | A kind of miniaturized receiver circuit |
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| CN204376883U true CN204376883U (en) | 2015-06-03 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107517075A (en) * | 2016-06-23 | 2017-12-26 | 中国民用航空飞行学院 | 1090ES Mode ADS‑B Receiver with USB Interface |
| CN108475065A (en) * | 2017-06-30 | 2018-08-31 | 深圳市大疆创新科技有限公司 | Method of controlling security, equipment and the machine readable storage medium of unmanned plane during flying |
| US20180301039A1 (en) * | 2017-04-18 | 2018-10-18 | Ruben Leon | Method and device for independently capturing flight information and transmitting an ads-b signal |
-
2014
- 2014-12-21 CN CN201420810576.XU patent/CN204376883U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107517075A (en) * | 2016-06-23 | 2017-12-26 | 中国民用航空飞行学院 | 1090ES Mode ADS‑B Receiver with USB Interface |
| CN107517075B (en) * | 2016-06-23 | 2021-02-12 | 中国民用航空飞行学院 | 1090ES mode ADS-B receiver adopting USB interface |
| US20180301039A1 (en) * | 2017-04-18 | 2018-10-18 | Ruben Leon | Method and device for independently capturing flight information and transmitting an ads-b signal |
| CN108475065A (en) * | 2017-06-30 | 2018-08-31 | 深圳市大疆创新科技有限公司 | Method of controlling security, equipment and the machine readable storage medium of unmanned plane during flying |
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