15W Inverter (CB25380E)

This circuit is from an April 1991 Radio Electronics magazine. The circuit uses power MOSFETs and an integrated circuit from that time.

| Clique na imagem para ampliar |

AC Tachometer (CB9353E)
This circuit was found in a 1969 EEE. It detects when there is a phase failure in a circuit using...
Low noise preamplifier (CB12987E)
This low noise audio amplifier stage uses only one transistor and has a high enough gain to...
Logic Probe (CB25268E)
Found in the February 1990 Radio Electronics issue, this sophisticated 100 MHz probe uses a period...