We found this circuit in the October 1994 issue of Electronics Now magazine. The circuit uses a now-uncommon 4046 PLL and the gates of a CMOS 4001.
This circuit of a Popular Electronics is intended to control a wiper. The circuit consists of a...
This circuit is an improvement of the previous one, with the use of two transistors produces a...
Motorola's LM13600 integrated circuit is not very common today. The input voltage is 10 mV. We...