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.
July 25, 2016 –Mouser Electronics Inc. is teaming up with celebrity engineer Grant Imahara for the...
This CW circuit was found in a Radio Amateur Today from the 890s. The CMOS circuit must be powered by...
This circuit was obtained from an old American publication. The uA702 is a differential amplifier and...