This battery charger circuit was found in the August 1970 issue of Radio Electronics magazine. The circuit uses 4 transistors. Q1 must be provided with a good heat sink.
This circuit can be used to add a delay to a logic signal as shown by the input and output...
Found in the April 1974 issue of Radio Electronics magazine, this circuit is based on CMOS...
This circuit converts a high impedance signal into low impedance. The circuit has unit gain and...