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.
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This circuit is a shield for microcontrollers and computers drivind high power loads. In the...
This circuit can measure voltages from 0 to 10 V with a very high input resistance. The circuit is...
This circuit uses a FET to drive an LED with constante currente. The current up to 20 mA can be...