Found in a 1943 publication this class B amplifier has good performance. The circuit does not include the power supply and has only one input.
This circuit from an old English publication from 1978 generates pulses of very short duration at a rate...
This simple circuit triggers when light strikes the sensor. The relay is of the sensitive type with a...
This circuit was found in the July 1991 issue of Radio Electronics magazine. It converts a binary...