This simple indicator circuit was found in a documentation from the 90s. Trimpots can have values between 2k and 10k, a series resistor is recommended to limit the current to the minimum setting.
Found in an Elektor from the 90s, this circuit is used with analog TV signals. The components are...
This circuit was found on an application note from Linear Technology of the 1990s. The source must...
We found this high input impedance, low output impedance amplification stage in the October 1993...