This power supply protection circuit was found in the December 1978 Radio Electronics magazine. The SCR is triggered by shortening the power supply and quickly blowing the protection fuse.
This small audio amplifier circuit in complementary symmetry was found in the 1974 Mullard...
This circuit that converts light intensity into frequency was found in Radio Electronics magazine from...
We found this circuit in Radio Electronics magazine from October 1966. The circuit uses a 15 V...