发明名称 Phase and/or frequency comparators
摘要 A phase comparator indicating a phase difference range of n x 360 DEG , between two input signals, comprising edge triggered shift registers, for dividing the input signals by n, means for modulating the width of the resulting output pulses in proportion to the phase difference of the input signals, and integrating means to combine the modulated pulses into a time-averaged signal which is indicative of the phase difference.
申请公布号 US4020422(A) 申请公布日期 1977.04.26
申请号 US19750613814 申请日期 1975.09.16
申请人 U.S. PHILIPS CORPORATION 发明人 UNDERHILL, MICHAEL JAMES
分类号 G01R25/00;H03K5/26;H03L7/085;(IPC1-7):H03B3/04 主分类号 G01R25/00
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