This circuit was found in a 1968 General Electric manual. The circuit is for 3 A motors but can be changed according to the SCR used. The SCR is type 106 and R1 is 10k.
This circuit appears in other articles in this section, but it is very interesting. It is a...
This circuit indicates variations in room temperature around a few degrees on a bargraph scale. The...
The gain of this amplifier is 10 times and the excursion to the output voltage is 6.0 V (peak to...