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.
August 2017 - The new N-channel MOSFETs from Vishay's TrenchFET Gen IV family can now be purchased from...
This circuit, which combines a bipolar with any JFET, was found in the April 1993 issue of...
August 2017 - Texas Instruments' new integrated circuit BQ25872, a 7-A keyed battery charger with...