Switching Power Supply (CB25379E)

This circuit uses the SQ3524, a switching integrated circuit. The circuit was found in the April 1991 issue of Radio Electronics magazine.

| Clique na imagem para ampliar |

Amplified megaphone (CB23703E)
This is an improvement on the previous circuit with a preamplification stage. The circuit is from...
Capacitor Box (CB26041E)
This bench circuit was found in the February 1998 issue of Electronics Now magazine. It can be...
MOSFET trigger (CB21480E)
This circuit was found in a 1967 Electronic Design. FETs are from the time, so modern equivalents can be...