CN104539269B - Instrument Landing one kind of signal processing circuit ground equipment - Google Patents

Instrument Landing one kind of signal processing circuit ground equipment Download PDF

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CN104539269B
CN104539269B CN 201410794129 CN201410794129A CN104539269B CN 104539269 B CN104539269 B CN 104539269B CN 201410794129 CN201410794129 CN 201410794129 CN 201410794129 A CN201410794129 A CN 201410794129A CN 104539269 B CN104539269 B CN 104539269B
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end
resistor
capacitor
connected
amplifier
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CN 201410794129
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CN104539269A (en )
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付伯苓
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天津七六四通信导航技术有限公司
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Abstract

本发明涉及一种仪表着陆地面设备信号处理电路。 The present invention relates to a signal processing apparatus Instrument Landing ground circuit. 包括步级衰减器、带通滤波器、第一射频放大器、第二射频放大器、第三射频放大器、自动增益控制电路、PIN二极管衰减器、第一检波器、第二检波器、温度补偿电路、第一运算放大器和第二运算放大器。 Comprising the step attenuator stage, a bandpass filter, a first RF amplifier, the second RF amplifier, the third RF amplifier, an automatic gain control circuit, PIN diode attenuator, a first detector, a second detector, a temperature compensation circuit, a first operational amplifier and second operational amplifiers. 采用本电路有效地克服了现有电路设计中存在不具有闭环电路和温度补偿电路,受温度影响很大,输入动态范围窄,输出变化比较大以及可靠性差等缺陷。 According to the present circuit effectively overcome without the presence of conventional circuit design, and closed circuit having a temperature compensation circuit, affected by temperature, a narrow input dynamic range, and relatively large changes in the output of defects and poor reliability. 采用本电路设计,技术指标得到明显提高,输入动态范围宽达到‑5dBm~‑35dBm,具有输入动态范围宽,温补特性好、稳定度好等特点。 According to the present circuit design, significantly improved technical specifications, a wide input dynamic range reaches -5dBm ~ -35dBm, has a wide input dynamic range, good warming properties, good stability characteristics.

Description

一种仪表着陆地面设备信号处理电路 Instrument Landing one kind of signal processing circuit ground equipment

技术领域 FIELD

[0001] 本发明涉及仪表着陆地面设备,特别是涉及一种仪表着陆地面设备信号处理电路。 [0001] The present invention relates to a signal processing circuit ground equipment, instrument landing ground equipment, particularly to an instrument landing.

背景技术 Background technique

[0002] 信号处理电路为国内新型米波仪表着陆设备(ILS)配备。 [0002] The signal processing circuit for domestic new Instrument Landing apparatus (ILS) is equipped. 仪表着陆系统(ILS)是国际民航组织确定的一种标准飞机进场着陆系统,它可以为进场着陆的飞机提供垂直和水平的引导信息。 Instrument Landing System (ILS) is a standard defined by ICAO aircraft approach and landing system that provides vertical and horizontal guidance information for the approach and landing of aircraft. 目前,已知现有设备的信号处理电路存在不具有闭环电路和温度补偿电路,受温度影响很大,输入动态范围窄,输出变化比较大,以及可靠性差等缺陷。 Currently, the signal processing circuitry known in the prior device does not have the presence of the closed circuit and a temperature compensation circuit, affected by temperature, a narrow input dynamic range, the output variation is relatively large, defects and poor reliability.

发明内容 SUMMARY

[0003] 本发明为了克服上述现有技术存在的技术问题和缺陷,特别提供一种仪表着陆地面设备信号处理电路。 [0003] The present invention is to overcome the problems of the above prior art problems and deficiencies of art, particularly to provide a device ground Instrument Landing signal processing circuit. 新的设计方案,使得技术指标、集成度、可靠性及可操作性均大幅度提尚。 The new design, making the technical specifications, integration, reliability and operability are greatly mention yet.

[0004] 本发明为实现上述目的,所采取的技术方案是:一种仪表着陆地面设备信号处理电路,其特征在于:包括步级衰减器、带通滤波器、第一射频放大器、第二射频放大器、第三射频放大器、自动增益控制电路、PIN二极管衰减器、第一检波器、第二检波器、温度补偿电路、第一运算放大器和第二运算放大器;其中步级衰减器与带通滤波器连接,带通滤波器与第一射频放大器连接,第一射频放大器与第二射频放大器连接,第二射频放大器分别与PIN 二极管衰减器和第一检波器连接,自动增益控制电路与PIN二极管衰减器连接,PIN二极管衰减器与第三射频放大器连接,第三射频放大器与第二检波器连接,第二检波器与第二运算放大器;第一检波器与温度补偿电路连接,温度补偿电路与第一运算放大器连接。 [0004] The present invention to achieve the above object, the technical solution adopted is: A ground apparatus Instrument Landing signal processing circuit comprising: a step attenuator stage, a bandpass filter, a first RF amplifier, the second RF amplifier, the third RF amplifier, an automatic gain control circuit, PIN diode attenuator, a first detector, a second detector, a temperature compensation circuit, a first operational amplifier and second operational amplifiers; wherein the step attenuator stage band-pass filter is connected, a band pass filter connected to the first RF amplifier, the first RF amplifier and the second RF amplifier connected to a second RF amplifier connected to the PIN diode attenuator and a first detector, an automatic gain control circuit and a PIN diode attenuator connection, PIN diode attenuator the RF amplifier connected to the third, the second and third RF amplifier connected to detector, a second detector and a second operational amplifier; a first detector and a temperature compensation circuit, temperature compensation circuit and the second an operational amplifier connected.

[0005] 本发明的特点及有益效果是:有效地克服了现有电路设计中存在不具有闭环电路和温度补偿电路,受温度影响很大,输入动态范围窄,输出变化比较大以及可靠性差等缺陷。 [0005] The features of the present invention and the advantages that: effectively overcome without the presence of conventional circuit design, and closed circuit having a temperature compensation circuit, affected by temperature, a narrow input dynamic range, and relatively large changes in output and poor reliability defect. 采用本电路设计,技术指标得到明显提高,输入动态范围宽达到-5dBm〜-35dBm,具有输入动态范围宽,温补特性好、稳定度好等特点。 According to the present circuit design, significantly improved technical specifications, a wide input dynamic range reaches -5dBm~-35dBm, having a wide input dynamic range, good warming properties, good stability characteristics. 可装于6u标准插箱内,印制板上及金属屏蔽盒上有可调端点,使用方便、可靠,可成功应用于产品。 6u inserted can be installed in a standard cabinet, adjustable endpoint, and easy to use on the PCB on a metal shield case and reliable product can be successfully applied. 经过电路处理后所得射频电平信号, 为直流电平;所得基带信号为音频信号,给后续单元信号的处理带来方便。 After the circuit for processing the resulting signal RF level as a DC level; resultant baseband signal into an audio signal, subsequent to the processing unit signals convenience. 只要将本发明前端带通滤波器、输出端低通滤波电路稍加变动,即可适用于不同的射频信号及不同的音频调制信号,具有很大的通用空间。 As long as the leading end of the present invention, the band-pass filter, the output of the low pass filter circuit changes a little, to apply to various different audio and RF signals modulated signals having a large common space.

附图说明 BRIEF DESCRIPTION

[0006]图1为本发明信号处理电路框图; [0006] FIG. 1 a block diagram of a signal processing circuit of the present invention;

[0007]图2为图1中射频放大器电路原理图; [0007] FIG 2 is a circuit diagram of an RF amplifier;

[0008]图3为图1中温度补偿电路原理图; [0008] FIG. 3 is a schematic diagram of a temperature compensation circuit;

[0009]图4为图1中PIN二极管衰减器电路原理图。 [0009] FIG 4 is a PIN diode attenuator circuit diagram 1.

具体实施方式 detailed description

[0010]以下结合附图和实施例对本发明作进一步说明: [0010] The following embodiments in conjunction with the accompanying drawings and embodiments of the present invention is further described:

[0011] 参照图1,本发明的信号处理电路由相同的八部分组成,下面以一路来说明:射频输入的前端是根据需要安装步级衰减器(5dB、10dB、15dB)。 [0011] Referring to FIG. 1, the signal processing circuit according to the present invention consists of eight identical parts, in a way described below: a front end RF input level is needed to install step attenuator (5dB, 10dB, 15dB). 后面是一个带通滤波器。 Followed by a band-pass filter. 输入信号由公共的输入通道,先经过两个射频放大器,然后分两路,一路是自动增益(AGC)控制电路,至基带信号输出,另一路是射频电平信号。 A common input signal from the input channel, go through the two radio frequency amplifiers, and two routes, all the way an automatic gain (AGC) control circuit, to output the base band signal, the other path is a radio frequency signal level. 调制基带信号输出的是稳定的90Hz、150Hz调制基带信号。 Modulated base band signal output is stable 90Hz, 150Hz modulated baseband signal. 射频电平信号是与射频输入成比例的直流电压。 RF level RF input signal is proportional to the DC voltage. 信号处理电路是仪表着陆系统的输入设备,它可以接收来自天馈箱、备机监视及近场监视传来的不同幅度信号,工作频段分别覆盖108MHz〜lUMHz (航向)和328MHz〜336MHz (下滑)。 The signal processing circuit is an input device of the instrument landing system, which may receive antenna feeder box, and the near-field monitor preparation machine monitoring signals coming from different amplitude, operating frequency bands respectively cover 108MHz~lUMHz (heading) and 328MHz~336MHz (decline) . 输入信号经本电路的处理, 可输出系统需要的基带信号和射频电平信号。 Input signal processing circuit is present, the output may be a baseband signal and RF signal levels required by the system.

[0012]本发明外观为带有金属屏蔽盒的近似长方形结构,将本电路设计在整机内部,结构米用插板式结构,维修性好。 [0012] Appearance of the present invention is a substantially rectangular structure with a metal shield box, in the interior of the circuit design of the present machine structure meters with plug plate structure, good maintenance. 为了最大限度地消除干扰,缩小体积,整个模块采用双面布局的方式,中间用隔层隔开。 To maximize the elimination of interference, smaller size, the entire layout of the modules by way of a double-sided, separated by a spacer. 整个电路由相同的八路组成,各路置于屏蔽盒独立的腔体内, 互不干扰,可靠性高,性能稳定可靠。 Octal entire circuit of the same composition, various shield case disposed within the cavity independent, non-interfering, high reliability, stable performance. 射频部分器件布局尽量紧凑,缩短走线,加粗线宽。 RF portion of the device as compact layout, to minimize the trace, the bold line width. 考虑各个集成块的接地点,尽量消除50Hz的电源相关杂散,同时做好电源的滤波与去耦,这对提高杂散抑制、降低噪声以及消除放大器自激等都有好处。 Consider each manifold grounding point, try to eliminate stray 50Hz power-related, while good power decoupling filter, and so good that improve the self-excited spurious suppression, noise reduction and the elimination of the amplifier.

[0013]本信号处理电路采用三个射频放大器,在射频放大器电路中,放大管采用的是Mini公司的产品,电路中放大管N3的型号为ERA-3SM+,其温度范围宽,增益大,性能稳定,能满足设计要求。 [0013] This signal processing circuit uses three RF amplifier, RF amplifier circuit amplifying tube with the Mini company's products, the circuit amplifier tube N3 model for ERA-3SM +, wide temperature range, gain is large, the performance stability, to meet the design requirements.

[0014] 具体电路描述如下:参照图2,第一射频放大器、第二射频放大器和第三射频放大器电路分别采用ERA-3SM+放大管N3,电容U2的一端为输入端,另一端连接放大管⑽的丨脚, 放大管N3的2脚和4脚分别接地,3脚连接电容C42的一端和电感L7的一端,电容C42的另一端为输出端,电感L7的另一端连接电阻R16的一端和电阻R17的一端,电阻R16的另一端和电阻R17的另一端连接后接电感L8的一端、电容C25的一端和电容U4的一端,电容C25的另一端和电容C24的另一端分别接地,电感L8的另一端与电容C26的一端和电容C27的一端连接后接电源VCC端,电容C26的另一端和电容C27的另一端分别接地。 [0014] The specific circuit described as follows: Referring to FIG 2, a first RF amplifier, the second RF amplifier and a third RF amplifier circuits respectively amplifying ERA-3SM + N3 tube, one end of the capacitor U2 is an input terminal, and the other end connected to amplifier tube ⑽ the Shu foot amplifier tube 2 feet N3 and 4 feet grounded respectively, pin 3 connected capacitor C42 and one end of inductor L7 to one end and the other end of the capacitor C42 is an output terminal, L7, the other end of the inductor connected to the resistor R16 and one end of resistor one end, the other end of R17 of the resistor R16 and one end of resistor R17 after the connection contact L8 end of the inductor, and one ends of the capacitance C25 of the capacitor U4, and the other end of the capacitor C25 and the other end of the capacitor C24 are grounded, the inductor L8, end and another end of the capacitor C26 and the capacitor C27 after the connection to the power terminal VCC, the other terminal of the capacitor C26 and the other end of the capacitor C27 are grounded.

[0015] 本信号处理电路的射频电平信号部分应用了温度补偿电路。 [0015] RF level signal portion of the signal processing circuit of the present application the temperature compensation circuit. 射频信号经过二极管检波反馈到运算放大器端口。 RF signal through the diode detector is fed back to the operational amplifier port. 这个运算放大器对检波二极管是一个高阻缓冲器。 The operational amplifier detector diode is a high impedance buffer. 另一个二极管用于补偿和追踪检波二极管直流工作点的温度漂移,微分连接到运算放大器实现追踪。 Another temperature compensation diode is used to track the detector diode and the DC operating point drift of the differential operational amplifier connected to achieve tracking. 交流成分通过阻容电路滤走。 AC component is filtered away by the RC circuit. 保留的直流成分通过放大器放大。 Reserved DC component amplified by an amplifier. 电路中增加了负温度系数的热敏电阻,进一步保证高低温时输出电平的稳定,输出电平通过调节电位器实现。 Circuit increases the negative temperature coefficient thermistor, to further ensure high output level when the low temperature stability, the output level achieved by adjusting the potentiometer. 阻容电路衰减遗留的交流成分,最后得到射频电平信号。 RC attenuator circuit AC component remaining finally obtain the RF level signal. 二极管选用Avag0公司的产品,电路中二极管V4的型号为HSMS2825(表贴型射频肖特基势垒二极管)。 Avag0 diodes use the company's products, the circuit model for a diode V4 HSMS2825 (RF SMD Schottky barrier diode). ' '

[0016]具体电路描述如下:参照图3,本信号处理电路的温度补偿电路采用一个HSMS2825 二极管V4、放大器N4A和放大器N4B,二极管V4的4脚与电阻R19的一端连接后为输入端,二极菅V4的3脚连接电阻R20的一端,电阻R19的另一端和电阻R20的另一端分别接地;二极管乂4 的2脚连接电容C28的一端、电阻R21的一端和电阻似3的一端,电容C28的另一端接地,电阻R21的另一端连接电阻R27的一端、电阻R22的一端和电容C3〇的一端,电阻R27的一端接-15V 电源,电阻R22的另一端连接二极管V4的1脚、电容C29的一端和电阻R25的一端,同时二极管V4的1脚接-15V电源,电容C29的另一端和电容c3〇的另一端分别接地;电阻R23的另一端连接电阻R24的一端和放大器N4A的3脚,电阻M4的另一端接地;放大器N4A的2脚连接电阻R25 的另一端和电阻R26的一端,同时放大器N4A的2脚接+1W电源;电阻R26的另一端连接放大器N [0016] The specific circuit described as follows: Referring to FIG. 3, the temperature compensation circuit according to a signal processing circuit using a HSMS2825 diode V4, amplifiers N4A and amplifier N4B, one end of the pin 4 and the resistor R19 the diode V4 is connection to an input terminal, a diode Kan V4 3 feet end connected to the resistor R20, the other ends of the resistor R20 of the resistor R19 is grounded, respectively; one end of the pin 2 is connected capacitor C28 diode qe 4, resistor R21 and one end of a resistor-like end 3, a capacitor C28 end of the other end, the other end of the resistor R21 is connected to the resistor R27, one end of -15V power supply, the other end of the resistor R22, one end of resistor R22 and capacitor C3〇 one end of resistor R27 is connected to a pin diode V4 of capacitor C29 one end of the resistor R25 and one end, while a pin diode V4 is connected to -15V power supply, and the other ends of capacitor C29 are capacitance c3〇 ground; the other end of the resistor R23 is connected to one end of resistor R24 ​​and the amplifier 3 feet N4A , the other end of the resistor M4; 2 feet another end of the resistor R26 and the resistor R25 is connected to the amplifier N4A, while the pin connected to the amplifier 2 N4A + 1W of power; the other end of the resistor R26 is connected to the amplifier N 4A的1脚和电阻R28的一端,电阻R28的另一端连接放大器N4B的5脚和电容C31的一端,电谷〇31的力一接地;放大器N4B的6脚连接电阻R30的一端和电阻R31的一端,电阻R30的另一端连接电阻R29的一端和热敏电阻电阻R32的一端,电阻R29的另一端与热敏电阻电阻R32 的另一端连接后接地;电阻R:31的另一端与放大器N4B的7脚连接后作为输出端。 One end, the other end of the pin 1 4A resistor R28 and resistor R28 is connected to one end of the amplifier 5 and the capacitor C31 N4B feet, the electrical grounding a valley 〇31 force; N4B amplifier 6 is connected to one end of the pin and the resistor R31 resistor R30 after the end of the ground, one end, the other end of the resistor R29 the other end of the resistor R30 is connected to one end of the resistor R29 and the resistor R32 and the thermistor other end of resistor R32 is connected to the thermistor; resistance R: 31 and the other end of the amplifier N4B after pin 7 is connected as an output terminal.

[0017]本信号处理电路的闭环电路部分采用AGC控制电压控制PIN二极管衰减器的电流, 进而控制放大量,保证输入信号幅度变化时,基带信号幅度不变。 [0017] The closed loop part of the signal processing circuit using a current AGC control voltage PIN diode attenuator, thereby controlling the amount of amplification to ensure that the input signal amplitude variations, a baseband signal a constant amplitude. 射频信号从放大器到piN 二极管衰减器,然后通过另一个二极管衰减器到负载电阻,再通过放大器放大。 RF signals from the amplifier to piN diode attenuator, and then through another diode to a load resistor attenuator, and then amplified by an amplifier. AGC控制电压的大小由输入射频信号的幅度自动生成。 AGC control voltage magnitude generated automatically by the amplitude of the input RF signal. PIN二极管选用Agilent公司HSMP系列二极管,电路中PIN二极管V6和PIN二极管V7的型号为HSMP3814,满足设计要求。 Selection of Agilent HSMP PIN diode series diode, PIN diode circuit and a PIN diode V6 to V7 model HSMP3814, meet the design requirements.

[0018]具体电路描述如下:参照图4,本信号处理电路的pin二极管衰减器电路采用两个HSMP3814 PIN二极管,分别为PIN二极管V6和PIN二极管V7,电容C36的一端为输入端,另一端连接PIN二极管V7的2脚、电容C37的一端和电阻R42的一端,电阻R42的另一端连接电容C39的一端、电容C38的一端和电阻R41的一端,电阻R41的另一端与电容C40的一端连接后接+ 15V电源,电容C40的另一端、电容C39的另一端和电容08的另一端分别接地;PIN二极管V7 的3脚接电容C44的一端和电阻R43的一端,电阻R43的另一端连接电容C45的一端和PIN二极管V6的1脚,电容C44的另一端和电容C45的另一端分别接地;pm二极管V6的2脚连接电容C37的另一端和电感L9的一端,电感L9的另一端连接电容C41的一端和电阻R44的一端,电容C41的另一端接地,电阻R44的另一端连接AGC控制电压端;PIN二极管V6的3脚连接电容C42 的一端和电阻R45的一 [0018] The specific circuit described as follows: Referring to FIG. 4, pin diode attenuator circuit according to the signal processing circuit uses two HSMP3814 PIN diodes, PIN diodes are PIN diodes V6 and V7, one end of the capacitor C36 to an input terminal and another end connected after the end of the PIN diode 2 feet V7 one end and one end of resistor R42 to capacitor C37, and the other end of the resistor R42 connected to capacitor C39 and one end of the end of the resistor R41 to capacitor C38, and another end of resistor R41 and capacitor C40 is connected bonding + other end of the 15V power supply, capacitor C40, and the other end of the other end of the capacitor 08 of the capacitor C39 are grounded; end and one end of resistor R43 PIN diode 3 feet and V7 to the capacitor C44 and the other end of the resistor R43 is connected to capacitor C45 and one end of the PIN diode 1 foot V6, the other ends and the capacitor C45 of the capacitor C44 are grounded; PM diode 2 feet V6 connected to capacitor C37 and one end of the inductor L9 one end of the inductor L9 and the other end connected to capacitor C41 one end of the resistor R44 and one end, the other end of the capacitor C41, the resistor R44 is connected to the other end of the AGC control voltage terminal; the pIN diode is connected to one end of the pin 3 V6 capacitor C42 and resistor R45 of a 端,电阻R45的另一端接地,电容C42的另一端作为输出端。 End, the other end of the resistor R45, the other end of the capacitor C42 as an output terminal.

[0019]本信号处理电路中的其它部分,如步级衰减器、带通滤波器以及自动增益控制电路等均为本领域公知且常用的电路,在此不再赘述。 [0019] Other parts of this signal processing circuit, such as a step attenuator stage, a bandpass filter and an automatic gain control circuit etc. known in the art and commonly used in the circuit, is not repeated herein. 根据上述说明,g卩可实现本发明。 According to the above description, g Jie the present invention may be implemented.

Claims (1)

  1. ^ 1 •一种仪表着陆地面设备信号处理电路,其特征在于:包括步级衰减器、带通滤波器、 第一射频放大器、弟一射频放大器、第三射频放大器、自动增益控制电路、PIN二极管衰减第一检波器、第二检波器、温度补偿电路、第一运算放大器和第二运算放大器;其中步级哀减器与市通滤波器连接,带通滤波器与第一射频放大器连接,第一射频放大器与第二射频放大器连接,y三射频放大器分别与PIN二极管衰减器和第一检波器连接,自动增益控制电路fPIN 一极管哀减器连接,PIN二极管衰减器与第三射频放大器连接,第三射频放大器与第一检波器连接,第二检波器与第二运算放大器;第一检波器与温度补偿电路连接,温度补偿电路与第一运算放大器连接; &所述的射频放大器、第二射频放大器和第三射频放大器电路分别采用ERA—3SM+放大官N3丨电容C22的一端为 ^ 1 • one kind of instrument landing surface equipment a signal processing circuit, characterized by: a step attenuator stage, a bandpass filter, a first RF amplifier, a RF amplifier brother, the third RF amplifier, an automatic gain control circuit, PIN diodes a first attenuator detector, a second detector, a temperature compensation circuit, a first operational amplifier and second operational amplifiers; wherein in steps of decay-pass filter is connected with the city, the first band-pass filter connected to the RF amplifier, the first a radio frequency amplifier connected to the second RF amplifier, y three RF amplifiers are respectively connected to the PIN diode attenuator and a first detector, an automatic gain control circuit fPIN decay diode connection, and the third PIN diode RF attenuator connected to the amplifier , a third radio frequency amplifier is connected to the first detector, a second detector and a second operational amplifier; a first detector and a temperature compensation circuit, temperature compensation circuit and the first operational amplifier is connected; & amp; said radio frequency amplifier, a second RF amplifier and the third RF amplifier circuits respectively amplifying ERA-3SM + N3 Shu end of capacitor C22 is official 入端,另一端连接放大管⑽的丨脚,放大管NS的2脚和4脚分别接地,3脚连接电容C42的一端和电感L7的一端,电容C42的另一端为输出端,电感L7的另一端连接电$R16的一端和电阻R17的一端,电阻Rie的另一端和电阻扔7的另一端连接后接电感L8的一y而、电谷C25的一端和电容C24的一端,电容C25的另一端和电容C24的另一端分别接地、,电感L8的另一端与电容C2e的一端和电容C27的一端连接后接电源VCC端,电容C26的另一端和电容C27的另一端分别接地; 所述的温度补偿电路米用一个HSMS2825二极管V4、放大器N4A和放大器N4B,二极管V4 的4fP与电阻R19的一端连接后为输入端,二极管料的3脚连接电阻R2〇的一端,电阻R19的另一端和电阻R20的另一端分别接地;二极管V4的2脚连接电容C28的一端、电阻R21的一端和电阻R23的一端,电容C28的另一端接地,电阻R21的另一端连接电阻R27的一端 The end, and the other end connected to amplifier tube ⑽ the Shu foot amplifier tube NS 2 feet and 4 feet grounded, respectively, 3-pin connector of L7 end of the capacitor C42 and one end of the inductor, the other end of the capacitor C42 is output inductor L7, another end of the resistor is connected electrically $ R16 terminal end of R17, the resistance Rie the other end of the resistor throw the other end 7 of the inductor L8, a y and, one ends electrically valley C25 and the capacitor C24, the capacitance C25 of and the other ends of capacitor C24 are connected to ground power supply terminal VCC ,, the other end is connected to one end of the capacitor C2e end of the inductor L8 and the capacitor C27, and the other end of the capacitor C26 and the other end of the capacitor C27 are grounded; the the temperature compensation circuit HSMS2825 meters with a diode V4, the amplifier and the amplifier N4B N4A, connection to an input terminal, and the other end connected to one end of resistor 3 R2〇 pin diode material, one end of the resistor R19 and the resistor R19 4fP diode V4 and the other end of resistor R20 to ground, respectively; one end of the capacitor C28 connected to pin 2 of the diode V4 is, one end of resistor R23 and one end of resistor R21, the other end of the capacitor C28, the other end of the resistor R21 is connected to one end of resistor R27 电阻R22的一端和电容C30的一端,电阻R27的一端接—15V电源,电阻R22的另一端连接二极管%的丨脚、 电容C29的一端和电阻R25的一端,同时二极管V4的1脚接-1研电源,电容C29的另一端和电容C30的另一端分别接地;电阻R23的另一端连接电阻R24的一端和放大器N4A的3脚,电阻R24的另一端接地;放大器N4A的2脚连接电阻R25的另一端和电阻1^6的一端,同时放大器N4A的2脚接+15V电源;电阻R2e的另一端连接放大器MA的1脚和电阻R2S的一端,电阻R28的另一端连接放大器N4B的5脚和电容C31的一端,电容C31的另一端接地;放大器N4B的6脚连接电阻R30的一端和电阻R31的一端,电阻R30的另一端连接电阻R29的一端和热敏电阻电阻R32的一端,电阻R29的另一端与热敏电阻电阻R32的另一端连接后接地;电阻R31的另一端与放大器N4B的7脚连接后作为输出端; 所述的PIN二极管衰减器电路采用两个HSMP:B One end of the capacitor C30 and one end of resistor R22, one end of -15V power supply, the other end of the resistor R22, the resistor R27 is connected to pin diode percent Shu, one end of the resistor R25 and one end of a capacitor C29, and diode V4 is connected to pin 1 -1 Research power, the other end of the other end of the capacitor C29 and the capacitor C30 are grounded; the other end of the resistor R23 is connected to end of a resistor and an amplifier N4A R24 is 3 feet, resistor R24 ​​the other end grounded; amplifier N4A pin 2 connected resistor R25 to another end of the resistor 1 ^ 6, while the amplifier N4A of 2 feet to the + 15V power supply; one end, the other end of the resistor R28 the other end of the resistor R2e is connected to the amplifier MA of 1 foot and a resistor R2S connected 5 feet amplifier N4B and One end of the capacitor C31, the other end of the capacitor C31; N4B amplifier 6 is connected to one end of the foot end of a resistor R31 and the resistor R30 is, the other end of the resistor R30 is connected to one end of resistor R29 and one end of the thermistor resistor R32, the resistance R29 of the other end of the thermistor and the other end of resistor R32 is connected to the ground; the other end of the resistor R31 and the connection pin 7 of amplifier N4B as an output terminal; and the PIN diode attenuator circuit using two HSMP: B 814 PIN二极管,分别为PIN二极管V6和PIN二极管V7,电容06的一端为输入端,另一端连接PIN二极管V7的2脚、电容C37的一端和电阻R42的一端,电阻R42的另一端连接电容C39的一端、电容C38的一端和电阻R41的一端, 电阻R41的另一端与电容C40的一端连接后接+15V电源,电容c4〇的另一端、电容C39的另一端和电容C38的另一端分别接地;PIN二极管V7的3脚接电容C44的一端和电阻R43的一端, 电阻R43的另一端连接电容C45的一端和PIN二极管V(3的1脚,电容C44的另一端和电容C45的另一端分别接地;PIN二极管V6的2脚连接电容C37的另一端和电感L9的一端,电感L9的另一端连接电容C41的一端和电阻R44的一端,电容C41的另一端接地,电阻R44的另一端连接AGC 控制电压端;PIN二极管V6的3脚连接电容C42的一端和电阻R45的一端,电阻R45的另一端接地,电容C42的另一端作为输出端。 814 PIN diode, respectively, one end of the PIN diode V6 and PIN diode V7, the capacitor 06 as an input, and the other end connected to the PIN diode 2 feet V7 one end, the other end of the resistor R42 and one end of resistor R42 a capacitor C37 is connected to capacitor C39 end, one ends of resistors R41 and capacitor C38, and + 15V power supply connected to the other terminal of the capacitor c4〇, the other ends of the capacitor C39 and the capacitor C38 is connected to another end of the capacitor C40 and the resistor R41 is grounded, respectively ; one end, the other end of the resistor R43 PIN diode V7 3 feet to the capacitor C44 and one end of resistor R43 is connected to capacitor C45 and one end of the PIN diode V (1 foot 3, and the other end of the other end of the capacitor C45 of the capacitor C44, respectively, ground; end and one end of resistor R44 is connected to capacitor C41 PIN diodes 2 pin connector capacitor V6 of C37 and the other end inductor L9 one end of the inductor L9 other end, other end of the capacitor C41, and the other end of the resistor R44 is connected to AGC a control voltage terminal; one ends of the capacitor C42 is connected to pin 3 of the PIN diode and a resistor R45 V6, and the other end of the resistor R45, the other end of the capacitor C42 as an output terminal.
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CN106100599A (en) * 2016-06-12 2016-11-09 广州杰赛科技股份有限公司 Gain-compensating method and device for radio-frequency module
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CN2094164U (en) * 1991-06-20 1992-01-22 北京电视技术研究所 Agc frequency channel amplifier
CN1758779A (en) * 2004-10-10 2006-04-12 中兴通讯股份有限公司 Automatic gain control method and device for array antenna base station of time-division duplex system
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CN101841901A (en) * 2009-12-30 2010-09-22 中国科学院电子学研究所 Closed-loop automatic gain automatic control device and method for radio-frequency channel
CN204376854U (en) * 2014-12-21 2015-06-03 天津七六四通信导航技术有限公司 Signal processing circuit of instrument landing surface equipment

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US4438348A (en) * 1978-10-06 1984-03-20 Harris Corporation Temperature compensated avalanche photodiode optical receiver circuit
CN2094164U (en) * 1991-06-20 1992-01-22 北京电视技术研究所 Agc frequency channel amplifier
CN1758779A (en) * 2004-10-10 2006-04-12 中兴通讯股份有限公司 Automatic gain control method and device for array antenna base station of time-division duplex system
CN101394151A (en) * 2008-10-14 2009-03-25 福建先创电子有限公司;深圳市星辰华兴通信有限公司 Automatic gain compensation and linear control method and device for power amplifier
CN101841901A (en) * 2009-12-30 2010-09-22 中国科学院电子学研究所 Closed-loop automatic gain automatic control device and method for radio-frequency channel
CN204376854U (en) * 2014-12-21 2015-06-03 天津七六四通信导航技术有限公司 Signal processing circuit of instrument landing surface equipment

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