Multiplication and sampling circuit (CB8865E)

This circuit was found in a 1968’s General Electric documentation. The circuit uses components from that time.

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Triac 0 to 30 V power supply (CB18509E)
This adjustable direct current source circuit uses a triac operating as a variac. The circuit is...
VIPer01 High Voltage Converters (COM072E)
August 2016 - It can be obtained from Mouser Electronics the new VIPer01 high voltage converter...
Headphone adapter circuit (CB23843E)
In the figure we have a way to adapt a phone obtained to the output of a common amplifier. The...