Inverter Amplifier (CB6431E)

This high input impedance circuit was found in a Popular Electronics of the 90s. The circuit supports modern operational.

VCO TTL with the 74123 (CB13135E)
The 74123 TTL integrated circuit consists of a monostable that can be configured to generate...
VCO (CB11518E)
This VCO or Voltage Controlled Oscillator was found in a Popular Electronics from 1991 but can be...
Power supply for the previous amplifier (CB23636E)
In the figure we have the power supply for the 8 W amplifier in the previous circuit. The circuit...