This circuit was found in the October 1994 issue of Electronics Now magazine. The 40446 IC is a PLL that is not very common today. The circuit has two types of effects.
This excellent quality transistor amplifier using Darlington transistors was found in a 1980s...
We find this circuit in an American 1980s documentation. Modern equivalent integrated circuits can be...
This circuit is intended to manipulate a transmitter (CW) from coded audio signals recorded on a...