This direct coupled amplifier using 3 transistors and low voltage power was found in the April 1961 Radio Electronics magazine.
This circuit can operate at voltages of 0.85 s 6 V using the NC Semiconductor NCS2200. The circuit...
This multivibrator circuit uses only one gate and its frequency is controlled by the crystal. The...
This circuit is from 1997 documentation. Its purpose is to start a water pump controlling the...