Found in a 1967 documentation, this infrared amplifier is intended for use in a Nipkow disc camera controlling a motor.
If you have an old cassette player or bought one from a junk shop, you can set up a small table...
This circuit was found in the 2005 Linear Technology Linear Circuit Manual. It is a sensor with large...
This circuit multiplies the frequency of a signal by 100. The circuit was found in the October 1994...