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 provides a power of 12 W with 24 V of supply, consuming a current of 820 mA and...
This circuit is from 1976 documentation, but it can be assembled with more modern transistors like...
In the figure we have the way to implement a logic gate or (OR) with an LM393. The circuit must be...