JFET Pierce Crystal Oscillator

This is a simple JFET pierce crystal oscillator. We can use a wide frequency range of crystal using this circuit without circuit modification. Here is the circuit :
JFET Pierce Crystal Oscillator circuit schematic diagram
This circuit uses Q, 2N3823, that is maintained thus insuring good stability of frequency because the crystal does not loaded by the JFET. [Source: National Semiconductor Application Note]

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