This automotive circuit was obtained from an 80's schematic from the integrated circuit factory itself. The voltage regulator is still common, but the operational amplifier is of the time.
Using the LM170 integrated circuit, this circuit was found in the May 1970 Radio Electronics...
The purpose of this circuit is to increase the selectivity of receivers with ferrite antennas. The circuit...
This circuit found in Hands On Electronics only connects a load, which in this case is an LED. The...