The signals from this circuit obtained from the 1965 Radio Shack documentation are picked up from a medium wave receiver. L1 and L2 have 80 to 100 turns of yarn 28 on a ferrite rod.
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...