Frequency deviation measurement Circuit

Published:2011/4/26 18:37:00 Author:Christina | Keyword: Frequency deviation measurement | From:SeekIC

This circuit uses the same simple crystal oscillator and oscilloscope of carrier frequency deviation from center frequency with the fixed or adjustable FM receiver. The vertical amplifier of the oscilloscope uses the direct couple mode. To calibrate the tuned oscillator and display the figure higher than the receiver's second vibration 10KHZ or lower than the receiver's second vibration 15KHZ, we need to calibrate the oscilloscope screen. Because the transmitter's frequency is equal in the two channels, so we just need to adjust one oscilloscope.



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