This circuit controls the channel separation as described in the March 1973 Radio Electronis magazine article. The circuit was proposed by Mullard (Philips) and consists of two channels as shown.
This circuit, from a 1976 National Semiconductor manual, is intended for current in a load using an...
With each clock of the 555 (negative transition) the 4013 (flip-flop) changes state by activating the...
This windshield wiper interval was found in old documentation. The NPN transistor is general...