This circuit was found on an 80's Ham Radio. The transistor admits equivalent. The circuit can generate 20 to 100 MHz signals operating at the fifth harmonic of the crystal.
This full wave source uses germanium diodes, and its current is a few milliamps. We found it in an...
This circuit was found in an 80's Electronic Design. The frequency depends on the crystal and the...
Found in an American publication from 1968, this circuit generates pulses at a rate of 2,500 per...