This circuit with a maximum current of 50 mA was found in the August 1998 issue of Electronics Now magazine. The integrated circuit used is not very common today.
This circuit is from a 1965 Motorola documentation. The transistors are of the time as is the...
This circuit was found in a 1966 General Electric book. The triac and the day are from that time...
The purpose of this circuit is to modify the sound of organs so that they resemble the sound of a...