前置放大器 front end amplifier; ha head amplifier; haheadamplifier; hd head amplifier; per amplifier; pre amplifier; pre-amplifier=preamplifier; preamplifier (preamp); preampreamplifier; prime amplifier
Pre - amplification of multichannel photocurrent acquisition 多路光電流采集的前置放大
The application of infrared remote control in hi - fi preamplifier 前置放大系統(tǒng)中的應(yīng)用
Used in hi - fi per - amplifiers and tv oscillation loop circuits 適用于高保真前置放大及電視振蕩回路。
Take mic to enlarge leadingly 帶mic前置放大
A range automatic transfer is designed for the preamplification system with resistance feedback 前置放大電路設(shè)計(jì)了量程自動切換的電阻反饋式兩級放大。
Adopts high quality and high efficient pin photo - diode . head - amplifier adopts low - noise caas module , can receive super low optical power 采用優(yōu)質(zhì)量高靈敏度pin光電二極管前置放大采用低噪音砷化鎵模塊,可以超低光功率接
Sk - 301 integrated tube and transistor karaoke processing amplifier tube & double microphone pre - amplifier , and the timbre is interesting to listen to 極富創(chuàng)意的電子管雙話筒前置放大,能極大地表現(xiàn)到演唱者聲音的每個細(xì)節(jié),音色圓渾動聽。
In mainly contains photoelectric converting and pre - amplifying circuits , lcd and keyset interface circuits and data storing circuits based on i2c bus 主要包括光電轉(zhuǎn)換和信號前置放大電路、液晶屏和鍵盤接口電路和基于i ~ 2c總線的數(shù)據(jù)存儲器電路。
Signal channel is composed of photodetection preamplifier and filter circuit , reference channel and correlation demodulator are realized by labview 信號通道由硬件實(shí)現(xiàn),包括光電探測前置放大電路及濾波電路;參考通道及相關(guān)解調(diào)器部分則利用labview軟件編程實(shí)現(xiàn)。
Super chopper - stabilized amplifier icl7650 is adopted in the preamplifier circuit . double integrate a / d convertor and the a / d convertor in the cpu are adopted in the circuit 在前置放大電路中采用了自穩(wěn)零運(yùn)放icl7650 , a / d轉(zhuǎn)換利用了雙積分式a / d轉(zhuǎn)換器mc14433和單片機(jī)內(nèi)部的a / d轉(zhuǎn)換器。