Phase lock system for spectrum analyzer
阅读：174发布：2021-12-28
专利汇可以提供Phase lock system for spectrum analyzer专利检索，专利查询，专利分析的服务。并且，下面是Phase lock system for spectrum analyzer专利的具体信息内容。
1. A PHASE LOCK SYSTEM FOR A SPECTRUM ANALYZER COMPRISING: A HIGH FREQUENCY OSCILLATOR NORMALLY FREE-RUNNING TO PRODUCE A REPETITIVE SINE WAVE OSCILLATOR SIGNAL; A SIGNAL MIXER HAVING ONE INPUT CONNECTED TO THE INPUT TERMINAL OF SAID SPECTRUM ANALYZER AND ITS OTHER INPUT CONNECTED TO THE OUTPUT OF SAID OSCILLATOR; MEANS FOR ADJUSTING THE FREQUENCY OF SAID OSCILLATOR SIGNAL OVER A WIDE RANGE; PHASE DISCRIMINATOR MEANS FOR DETERMINING WHETHER SAID OSCILLATOR SIGNAL IS OF A PREDETERMINED FREQUENCY AND PHASE, AND INCLUDING A NORMALLY NONCONDUCTING GATE HAVING ITS INPUT CONNECTED TO THE OUTPUT OF SAID OSCILLATOR; A LOW FREQUENCY PULSE GENERATOR NORMALLY FREE-RUNNING TO PRODUCE NARROW GATING PULSES HAVING A STANDARD REFERENCE FREQUENCY WHICH IS LOWER THAN THAT OF SAID OSCILLATOR SIGNAL AND IS A SUBHARMONIC OF SAID PREDETERMINED FREQUENCY, SAID GATING PULSES HAVING A PULSE WIDTH WHICH IS LESS THAN THE WIDTH OF ONE-HALF CYCLE OF SAID OSCILLATOR SIGNAL REGARDLESS OF ITS FREQUENCY; MEANS CONNECTING THE OUTPUT OF SAID PULSE GENERATOR TO SAID GATE TO RENDER SAID GATE MOMENTARILY CONDUCTING FOR A TIME DETERMINED BY THE WIDTH OF SAID GATING PULSE SO THAT A PORTION OF THE OSCILLATOR SIGNAL IS TRANSMITTED THROUGH SAID GATE TO THE OUTPUT OF SAID DISCRIMINATOR AS AN OUTPUT PULSE HAVING A WIDTH SUBSTANTIALLY EQUAL TO THAT OF SAID GATING PULSE; AND
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