This circuit for analog video signals was found in a March 1988 Radio Electronics. The Maxim integrated circuit can still be found.
Suggested by Sprague in the 90's documentation, this circuit applies to AC motors. The...
The diodes in this circuit are used for waveform correction. The circuit is from Electronics Now...
This 5.1 MHz oscillator was found in a 1980s American documentation. The used operational...