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 split the voltage of a Power supply allowing it to be used as dual supply. The limit...
August 2016 - It can be obtained from Mouser Electronics Mikromidia of the MikroElektronika...
May 2017 - Vishay's new AC0x..CS series safety wirewound resistors can now be obtained from Mouser...