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.
'
The voltage gain of the circuit shown in the figure is 10 times. This gain is given by the ratio...
This circuit, from an old Argentine publication, uses a slightly different symbology than we are...
In this circuit we have two oscillators, one controlling the other, using the 4 NAND gates of the...