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.
This circuit is suggested by the National semiconductor and is based on an increased power...
The setting of this power supply is only 0.1%. We found it in a 1969 US documentation. Transistors...
This circuit amplifies signals from 0.5 Hz to 300 kHz. We found it in an old documentation. Equivalent...