This circuit with a 4046 PLL was found in the December 1989 issue of Radio Electronics magazine. The circuit produces the clicks of a roulette wheel at decreasing speed.
This circuit uses an operational amplifier that is still common today. The indication is made by...
The purpose of this circuit is to measure the absorption current of a capacitor. Dielectric...
Other operational amplifiers series, such as the MC34072, MC34074, MC35071, MC35072, MC35074 d...