发明名称 PHASE DETECTOR FOR AMPLITUDE MODULATED RADIO FREQUENCY SIGNALS CONTAINING A LOW FREQUENCY WAVEFORM
摘要 Phase Detector for Amplitude Modulated Radio Frequency Signals Containing a Low Frequency Waveform A low noise floor phase detector is designed with a transmission line coupler to take advantage of the low noise characteristics of such couplers and their improved operational characteristics relative to a transformer. The preferred detector circuitry also utilizes amplitude detectors that include signal terminating means to operate the diodes at a conduction angle for maximum signal to noise ratio and effective impedance matching between the circuit components.
申请公布号 CA1287124(C) 申请公布日期 1991.07.30
申请号 CA19890610607 申请日期 1989.09.07
申请人 HEWLETT-PACKARD COMPANY 发明人 HERLEIKSON, EARL C.
分类号 H03D7/02;H03D13/00 主分类号 H03D7/02
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