This circuit is better than the previous one in that the control is isolated by a transformer. The transformer has 110 or 220 V primary and 6.3 to 12 V secondary with 200 to 500 mA current.
We found this circuit in a 1967 American documentation. It is a transmitter for animal research,...
This version of the Pierce oscillator with the 2N3904 was found in the January 1994 issue of...
This dynamic mixer allows for smooth adjustment of the signal's passage from one channel to...