Found in an American circuit manual from the 1970s, this circuit can use any general-purpose transistor. The operating frequency range is from 600 to 4000 Hz.
This circuit can be used with 5 to 15 V sources and the zener diode must be chosen according to...
Here we show how a Constant Current Source can be created in the Multisim Blue using a common BJT...
This circuit was found in a 1964 Electronic Design. The circuit makes use of transistors of the...