Utilizing parallel votage negative feedback circuits as a preamplifier it is possible to amplify signal and reduce circuit impedance as well as to simplify circuit and lessen volume.

 
  • 利用電壓并聯(lián)負反饋電路作為儀器的前置放大器,可實(shí)現信號放大、阻抗匹配和降低線(xiàn)路阻抗的目的,其電路簡(jiǎn)單、體積?。梢栽诓桓淖冊€(xiàn)路結構的條件下將放大器封裝在探頭上)。
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