Found in a 90's EDN, this circuit provides a current of a few tens of mA. The circuit can generate 15 V from a 5 V input.
This circuit allows the measurement of very weak currents indicated on an analog instrument or...
Found in National Semionductor documentation this circuit combines a tone control with an...
Found in a 73 magazine from the 1980s, this circuit generates signals from 3.2 to 22 MHz. FETs can be...