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April 23rd 20, 09:37 AM
posted to rec.radio.amateur.homebrew
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Alternative Fundamental Squarer
The classic fundamental squarer is the use of the 74AC86. However, I have had equal results, with a simpler circuit.
A potential divider, consisting of two series 15k resistors from the +ve to ground, with the centre of the resistors , connected to the input of a 74AC04 hex inverter, and the sine wave applied to the same point, via a 1 nF capacitor . |
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