adjustable frequency selection network circuit

Published:2011/6/4 12:08:00 Author:John | Keyword: selection network | From:SeekIC

Output voltage of the capacitor feedback oscillator circuit has a good waveform. But if the oscillation frequency is adjusted by changing the capacitance, the feedback factors and the starting conditions for the circuit would be affected. And it is rather difficult to adjust the oscillation frequency by changing the inductance method. It is generally used occasions within a fixed oscillation frequency. When oscillation frequency is adjustable within a not wide range, the circuit as shown in the right figure can be used as a frequency selection network circuit.



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