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1.发明授权
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2.发明授权Synchronous demodulator employing common base transistor amplifier input and base-emitter clamping action 失效使用通用基带晶体管放大器输入和基极发生钳位动作的同步解调器
公开(公告)号：US3679981A
公开(公告)日：1972-07-25
申请号：US3679981D
申请日：1970-11-13
Applicant: RCA CORP
Inventor： LIMBERG ALLEN LE ROY
CPC classification number: H03D1/229
Abstract: Input signals are coupled in common to the emitter electrodes of a pair of transistors arranged in a differential amplifier configuration, and are synchronously detected by switching signals coupled to the respective transistor base electrodes. The coupling to the emitter electrodes is through an amplifier transistor similar to that disclosed in U.S. Pat. No. 3,531,730, but exhibiting characteristics analagous to a common-base amplifier ''''folded around'''' ground potential as herein described.
Abstract translation: 输入信号共同耦合到以差分放大器配置布置的一对晶体管的发射极电极，并且通过耦合到各个晶体管基极的开关信号同步地检测。 与发射极电极的耦合通过与美国专利No. 但是具有与如本文所述的共同基极放大器“折叠”接地电位相似的特征。
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