カラーサブキャリアによる水晶発振器の周波数制御

概要

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The frequency offse and aging characteristics of the laboratory frequency standard (5 MHz crystal oscillator) was measured. The measurement was performed by Phase comparison of the two signals of 56. 81 kHz. 0ne of the signals is the divided output of the tested crystal oscillator and the other is that of the color-subcarrier in a home color TV receiver. In free runing the frequency offest of the tested oscillator was determined with the frequency resolution of 1xlO^<-11>. In phase locking to the color-subcarrier which is referenced to the atomic frquency standard, the tested crystal oscillator can be used as the frequency standard having the frequency accuracy of within 5×10^<-11>.
東京工芸大学の論文