This circuit was found in a 1967 General Electric manual. It shows a SCR control with unijunction and zener diode. The triac depends on the controlled load.
This astable multivibrator using two transistor controls two small 50 mA lamps. The lamps can be...
This circuit generates a 1.46 kHz sine wave with an output ranging less than 1.5% in frequency...
In the figure we show an application in which the 4093 excites a stage with 4 transistors in the...