Isolation Transformer (CB25795E)

With a mains-rated transformer and 1:1 winding this benchtop circuit was found in the January 1995 issue of Electronics Now magazine.

| Clique na imagem para ampliar |

Locked Triac (CB7238E)
This is a circuit found in a 1970's Radio Electronics. The circuit works with virtually any triac...
Earphone Amplifier (CB416)
This is a amplifier for XTAL high impedance earphones or piezoelectric types. Current drain is...
Infrared receiver for headphone (CB7818E)
This is the receiving circuit for the transmitter given in the previous circuit. The circuit is...