License

GPL 3.0

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3.57 Mhz Clock

3 years ago 304
  • Description
  • Documents
  • BOM
  • Attachments
  • Members
  • Comments

Description

Generate a steady square clock signal from a quartz oscillator (the ones with two pines). The principle is simple, source the quartz signal to a NOT gate to generate square pulses from the crytal oscillator.

The project uses a 74HC00 (NAND) gate to get the NOT logic and a crystal of 3.579545. The capacitor values used are specific for the crystal in our equipment. You must check the correct values for your particular crystal oscillator.

Documents

Crystal Oscillator + NAND gate

BOM

ID Name Designator Footprint Quantity Mounted
1 1M R1 AXIAL-0.3 1 Yes
2 1k R2 AXIAL-0.3 1 Yes
3 74HC00N U1 DIP14 1 Yes
4 47p C1,C2 RAD-0.1 2 Yes
5 3.579545 Mhz X1 HC-49S 1 Yes C35018

Attachments

None

Members

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