28 V Lock (CB7236E)

This circuit was found in a 1965 General Electric publication. The circuit can be adapted to operate with other voltage lamps.

| Clique na imagem para ampliar |

10 MHz Bandpass Amplifier (CB4220E)
Found in a 1980s documentation, this amplifier uses an integrated circuit of the era. The RLC...
SCR LED Flasher (CB13717E)
This interesting experimental and didactic configuration was found in a 1977 Radio Shack...
50W Inverter (CB21485E)
This circuit for a frequency of 40 kHz was found in an old Electronic Design. There were no...