RF or even switching transistors like the 2N2222 can be used in this circuit. The capacitors are ceramic and the frequency is determined by the crystal.
This amplifier with complementary output transistors delivers a 20 W load at 80 ohms. We find it...
This circuit is from the time when cars used contact breakers. This 80's version measures the dwell...
July 2017 - Mouser Electronics already has in stock the new SCRs from the SJxx40x high temperature series from...