Anti-inductive Crystal Oscillation Circuit

Published:2011/9/8 1:52:00 Author:Sue | Keyword: Anti-inductive, Crystal Oscillation Circuit | From:SeekIC

    The picture shows the anti-inductive crystal oscillation circuit. In the circuit, C2 and C3 are positive feedback capacitor. The lower the frequency is, the larger the capacitance is. When the capacitance is 100pF, the oscillation frequency is 5-20MHz; C1 and C5 can be used to realise frequency fine tuning;VT2 is buffer circuit which can be used to prevent the frequency from changing while the load is changing; R1 and R2 are stablized resistor which can prevent emitter follower from oscillating abnormally.



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