Found in a 1967 publication by General Electric, this SCR circuit generates voltages of 120 VAC at the output. The circuit has an input voltage of 28 V.
The components used in this 80's circuit are not common today. The circuit is very sensitive and must...
This flood or humidity alarm was found in an English publication in 1991. It can still be fitted...
We found this circuit in an old amateur radio manual. The circuit makes use of PIN diodes to...