- on RF (radio)
- Published in issue 7/2010 on page 17
Simple RF Noise Source
(Summer Circuits 2010 article)
A noise generator with a wideband output signal is always handy to have around when you’re adjusting receivers and other types of HF equipment. The noise generator circuit described here uses the base–emitter junction of a transistor (in this case a BF199) operating under reverse bias.