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Stable Low Frequency Crystal Oscillator

2016-08-07 09:42  
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This is a Colpitts-crystal oscillator circuit. It is suitable for low frequency crystal oscillator circuits. Using the 2N3823 JFET, this circuit has excellent stability because the temperature will not vary the 2N3823 JFET circuit loading. Here is the circuit :

Stable Low Frequency Crystal Oscillator circuit schematic

[Source: National Semiconductor Application Note]

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