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![]() I have a working 74HC14 oscillator: "One gate of a 74HC14. 470ohm resistor from gate output to the parallel of 1Mohm//XTAL. 10pF and 33pF (from the junkbox) capacitors to ground on each side of the XTAL." I have successfully made a circuit using a single gate of the 74HC86 similar to you describe. I used 1K from the gate output to the 10MHz crystal. 12p capacitor on either side of the crystal to ground. It works very nicely! See the circuit diagram he http://www.hanssummers.com/radio/qrs...mod2/index.htm . 73 de Hans G0UPL http://www.HansSummers.com |
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