This simple injector circuit can actually be powered by voltages from 3 to 9 V. The frequency is given by C1 which can be between 4.7 and 10 nF. The CMOS can also be 4011.
Found in Popular Electronics from the 90s, this circuit is based on a PLL567 and employs high-end or...
This circuit was found in a 1966 General Electric documentation. The circuit makes use of PUTs...
This 13.8 V power supply with 10 A output is intended to supply power to automotive power...