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.
Found in an old Popular Electronics this circuit appears in other variations on this site and in...
Can be used as a shield, this old American documentation circuit offers digitally selected...
This circuit is from a current regulator up to 1 A, ie a constant current source. The LM320...