This circuit is from a Motorola integrated circuit manual. The integrated used is no longer common in our market and the power transistor must be equipped with a heat sink.
In this circuit we show how to configure the LM3914 as a bargraph or moving point, supplying 10...
We found this circuit in a documentation for 1977 American radio amateurs. The LM336 integrated circuit...
This modulator circuit is nothing more than an audio amplifier that serves to modulate amplitude...