This circuit is from a 1968s Motorola documentation. The load can range from 10 to 100ohm and the transistor supports a modern equivalent such as 2N2222 or BD135.
This circuit functions as a thermostat triggering a relay when the boil control temperature...
This 1 MHz oscillator was found in the February 1992 issue of Radio Electronics magazine. The...
In this circuit we have the voltage multiplied by 5, obtaining between 50 and 80 V output when the...