This circuit was found on an 80's Ham Radio. The transistor admits equivalent. The circuit can generate 20 to 100 MHz signals operating at the fifth harmonic of the crystal.
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...