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 is interesting for experiments and can be part of the bench in the form of a module. The...
This RF wattmeter was found in an American 1980s documentation. The components are common and the...
The configuration shown allows to obtain a high voltage gain for FETs. FETs can be BF245 or...