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.
From an old manual of unijunction transistors, this oscillator generates different tones when the...
We found this circuit in an article in Radio Electronics magazine from November 1971. The circuit has...
We found this circuit in the 1977 RCA Solid State ICs. The circuit consists of a current amplifier with...