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12kHz Intermediate-frequency Oscillator Circuit

2016-08-16 15:47  
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12kHz Intermediate-frequency Oscillator Circuit
The 12kHz intermediate frequency oscillators in the graph is composed of 12kHz quartz oscillators, output level adjustment,a level ascending circuit and a alarm circuit. It uses a new single tube tuning transformer feedback oscillator circuit. In the feedback circuit, 12 kHz quartz crystal resonators are connected in series, thus the oscillation frequency depends on the performance of the l2kHz quartz crystal resonators .With regard to improving the reliability of oscillators and stability of the output, it uses AC circuit with fixed amplitude. In other respects, this circuit makes use of components with stable performance, and tries to simplify the circuit, thus ensuring good performance.