An on-chip Automatic Gain Control circuit controls the gain of this preamplifier from -15 to 24 dB.

片上自動增益控制電路控制，從這個前置放大器增益-15至24分貝浮力导航。

An automatic gain controlling circuit controls a gain of a video signal from an imager.

自動增益控制電路控制成像器的視頻信號增益日韩美女福利动图视频在线观看。

In order to ensure all intermediate frequency signals to be progressed, our system also gets an automatic gain by a sampling circuit.

為提高輸入信號的動態(tài)范圍，本系統(tǒng)采用高增益放大器和自動增益控制等電路進行數據轉換前的信號調理工作三级在线视频观看国产。

Especially, the technology of Automatic Gain Control and signal processing are studied which are key factors working on the performance of the receiver. Based on analyzing the theory of automatic Gain Control, operational amplifiers 0P37 and logarithmic D/Aconverter AD7111A are used to design variable gain amplifiers which can be controlled numerally, A/D convector LTC1405 is Used to test the echo, Complex Programmable Logic device is used for controller, and an arithmetic is designed for automatic Gain Control which is simulated and analyzed in order to test its feasibility.

本文在分析自動增益控制AGC原理的基礎上六月婷婷,激情九九，采用集成運放OP37和數控增益衰減器AD7111A設計可數字控制的可變增益運放模塊；采用高速A／D轉換器LTC1405作為回波信號檢測模塊；采用復雜可編程邏輯器件CPLD作為核心控制模塊3DA片区，構成數字自動增益控制電路人人人摸摸人人人操，并設計粗調和細調步進控制相結合的算法，對回波信號的增益進行精確而快速的調節(jié)控制日韩网友自拍区在线观看，使回波信號振幅快速穩(wěn)定在設計指標范圍內AV在线播放八区，利于接收機后續(xù)信號處理電路對回波信號作進一步的處理。

The principle of the amplifier is get the value of the feedback resistance which can change the gain of the amplifier , then make sure the relay on the right stall, we can get the expectation gain.

本設計實現增益控制的原理是根據OP37G的放大原理公式計算出實現指標增益所需要的反饋電阻值亚洲综合一区二区精品久久，使用10K繼電器選擇相應電阻實現增益久久久999国产。

This paper presents a low-voltage low-power variable gain amplifier,which is applied in the automatic gain control loop of a super heterodyne receiver.

針對超外差接收機的自動增益控制網絡，設計了一種結構簡單的低壓四虎成人入口在线观看视频网站免费、低功耗全差分可變增益放大器成人网站香草视频在线观看免费下载。

According to the comparison of the advantages and the disadvantages of four implementing methods of the variable gain amplifier,the digital potentiometer is selected for the laser receiving circuit and its action process is analyzed.

比較可變增益四種實現方法的優(yōu)缺點，在激光接收電路中選擇使用數字電位器的方法實現可變增益控制欧美黄色网站有哪些，并分析其作用過程1级黄片免费看。

By sampling echo signal demodulated and A/D transform, sampling value is transmitted to SCM for compare, division, calculation, and exporting gain code to control signal range; furthermore controlling the AGC circuit, realizing amplification control to echo signal, consequently stabilitate the signal range in a window for the later circuit.

通過對檢波后的回波信號進行采樣，經過A/D變換批女人精品国产，采樣值送入單片機內部進行比較情黄网站、判別、計算女同一区二区三区在线观看，然后輸出可控制信號幅度的增益碼去控制AGC電路的受控級欧洲亚洲成av人片天堂网网址，實現對回波信號的增益控制，從而使得輸出信號幅值穩(wěn)定在一個窗口內国产一区二区精品偷斗情，供后續(xù)電路處理麻豆啪啪视频。

Spatial holeburning caused by ununiform widening of erbiumdoped fiber barricades the fully gaincontrolled amplification of laser with single wavelength. A novel configuration of automatic gainclamped optical erbiumdoped fiber amplifier is presented, and a high-birefringence fiber Bragg grating is used to generate pumping lasers, peaks of which are written at 1549.3 nm and 1549.83 nm with a wavelength spacing of 0.53 nm.

摻鉺光纖非均勻展寬引起的空間燒孔現象導致單波長激光并不能完全控制放大器增益，提出了一種新穎的自動增益控制摻鉺光纖放大器的結構：即采用高雙折射光纖布拉格光柵產生抽運光囯产深喉视频一区二区，其寫制光柵的波峰對應的波長分別為1549.3 nm和1549.83 nm一级毛片久久w，波長間隔為0.53 nm。

And the automatic mechanism of signal amplifying is offered, user can adjust the amplifying ratio according to requirement.

同時香港一级A毛片在线播放，系統(tǒng)提供了增益控制機制色色色国产，用戶可根據需要自動調整增益的大小。

automatic gain control：自動增益控制

單邊帶與調幅制,在電路組成方面,除高放又爽又黄按摩视频免费、混頻、本地振蕩99久久久国产一区二区三区、低頻放大部份相同外,另有乘積檢波器 (解調器 )欧美日韩中国产视频、分路濾波器、載波重置系統(tǒng)和 AFC 自動頻率控制 (Automatic Frcquency Control);AGC 自動增益控制 (Automatic Gain Control) 也不盡相同.

automatic gain control：自動增益控制 <老實芭蕉>

快速時間常數電路 fast time constant | 自動增益控制 automatic gain control | 深度增益補償 depth gain compensation

automatic gain conltrol：自動增益控制(縮寫AGC)

automatic frequency control 自動頻率控制(縮寫AFC) | automatic gain conltrol 自動增益控制(縮寫AGC) | automatic record changer 自動換片器

gain control key：增益控制鍵

gain amplifier 增益放大器 | gain control key 增益控制鍵 | gain controller 增益控制器

amplifier gain control：放大器增益控制,放大器增益調節(jié)

amplification control 增益控制,增益調整 | amplifier gain control 放大器增益控制,放大器增益調節(jié) | analog-to-digital programmed control 程序控制模-數轉換

manual gain control：人工增益控制

manual feedback 人工控制反饋 | manual gain control 人工增益控制 | manually operated visual landing-aid system (Movlas) 人工操作目視降落輔助系統(tǒng)

DAGS DelayedAutomaticGainControl：延遲式自動增益控制

DM DelayModulation 延遲調制 | DAGS DelayedAutomaticGainControl 延遲式自動增益控制 | DAVI DelayedAutomaticVolumeControl 延遲式自動音量控制

RF AGC：射頻自動增益控制

文中針對多射頻接收鏈路的數字機頂盒設備,以常規(guī)RFAF模型對其調諧器(Tuner)模塊仿真,分析出影響其瞬時動態(tài)范圍的因素之一是射頻自動增益控制(RF AGC)電路的增益步長,并通過對模型的分析及優(yōu)化,再次仿真,

AGC DETECTOR：自動增益控制檢測

AGC AMP AGC放大 | AGC DETECTOR 自動增益控制檢測 | AGC ERROR BUFFER 自動增益控制誤差緩沖器

AGC DET：自動增益控制檢測

AGO 自動增益控制 | AGC DET 自動增益控制檢測 | AGC DETECTOR 自動增益控制檢測