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.
This circuit was found in the November 1966 issue of Electronics Now magazine. It uses an LDR as a...
Found in a National Semiconductor manual from the 1980s, this circuit uses a voltage comparator of the...
This 80's circuit uses germanium transistors like the AC125, AC151, AC163, 2N506 and others to...