Found in a 1965 Electronic Design the purpose of this circuit is to control the gain of a stage by applying an external voltage. The circuit operates at high voltages.
The 74123 TTL integrated circuit consists of a monostable that can be configured to generate...
This VCO or Voltage Controlled Oscillator was found in a Popular Electronics from 1991 but can be...
In the figure we have the power supply for the 8 W amplifier in the previous circuit. The circuit...