This circuit is from the time when cars used contact breakers. This 80's version measures the dwell angle of the contact breaker for dwell adjustment using an era integrated circuit, the LM3917.
The circuit shown in the figure was found in a 1974 publication. The field effect transistor may...
August 2017 - Mouser Electronics already has to supply the new Darlington MAAM-011206 Broadband...
We found this alarm circuit in a Radio Electronics magazine from July 1990. The power transistor must be...