Of course, the current is extremely small, but a voltage of 300 V can be obtained from 9 V of a battery. The circuit is from an Electronics Now of May 1994. C1 adjusts the operating point.
The LM12 is a high-power operational amplifier capable of providing a 4 A output current with a 40...
This circuit was found in a 1966 EEE. Transistors support modern equivalents and the waveforms are...
To increase the control capacity of the CA3140, an amplifier circuit can be used, as shown in the...