Selective Light Amplifier (CB25488E)

This IR light sensor circuit was found in the July 1992 issue of Radio Electronics magazine. It is tuned for 20 kHz modulated light.

| Clique na imagem para ampliar |

Very High Voltage Generator II (CB18585E)
This circuit can be used in physics experiments, in ionization and in several other applications. The...
Programmable active filter (CB24629E)
Through digital control, this circuit activates the input filters that have the frequencies...
Voltage Controlled Oscillator 2 (CB12017E)
This VCO or Voltage Controlled Oscillator uses common components. The circuit generates signals that...