COLPITTS 1 To 20 MHz Crystal Oscillator

COLPITTS 1 To 20 MHz Crystal Oscillator




Colpitts 1MHz To 20 MHz Crystal Oscillator Circuit

This is a simple Colpitts crystal oscillator for 1 to 20 MHz,

Colpitts 1MHz To 20 MHz Crystal Oscillator Circuit

PARTS LIST
R1 220kΩ
R2 1kΩ
C1 82pF
C2 0.001µF
C3 100pF
C4 0.01µF
C5 0.001µF
Q1 2N3904
XTAL1 CRYSTAL (1 to 20 MHz)

This can be easily made from junk-box parts (provided that a crystal is handy).

2N3904 NPN Transistor General Purpose Amplifier

2N3904 NPN Transistor Pin Configuration




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