This variable gain circuit for analog video signals was found in a 90s Linear Technology documentation. The circuit has an adjustable gain between -12 and +8 dB.
To invert the rotation of a motor by changing the levels of an Arduino output or another...
This circuit is from 2002 documentation. It injects a signal into a power amplifier and measures the...
This circuit was found in a 1985 documentation. It provides an audiovisual indication of the...