Sampling phase comparator
专利汇可以提供Sampling phase comparator专利检索，专利查询，专利分析的服务。并且PURPOSE: To reduce the fluctuation of a phase comparison output by inserting a filter showning pass band to an input frequency and a cut-off region to harmonics generated by a recovery diode between the cathode and anode of the step recovery diode and a balanced input terminal.
CONSTITUTION: A signal in a frequency fREF inputted from input terminals 1, 2 is fed to the step recovery diode 7 through an LPF 10 and harmonics f
2 to the frequency fREF is generated from the diode 7. The phase of the generated harmonics f
2 and a signal in the frequency fIN inputted from an input terminal 3 is compared by diodes 8, 9 and a phase comparison output is generated at output terminals 4∼6. Since the LPF 10 causes a cut-off region to the harmonics f
2 and the generated harmonics f
2 are not leaked to the input terminals 1, 2, the signal amplitude propagated to the diodes 8, 9 is not reduced and the effect of the reflection by the circuit outputting the frequency fREF is eliminated. Even when the harmonics are included in the frequency fREF, they are excluded.
COPYRIGHT: (C)1987,JPO&Japio，下面是Sampling phase comparator专利的具体信息内容。
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