NAND crystal oscillator

223

03:48:58

Just find a old ic , sn7400 , 4 nand positive gates, i try this oscillator. Works very good , i'm trying to build a 4MHz SSTC :)

published 11 years ago

zorgrian

11 years ago

I added a rudimentary filter to produce a pseudo sine wave. A three pole filter is not up to the job. you need a 5 or 7 pole filter to get rig of the odd harmonics

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