This circuit is from a 1968 Electronic Design. The characteristics of the output transformer are not given and the transistors are of the time. The circuit provides a power of a few watts.
Found in an English publication from 1963, this circuit has the frequency range determined by the...
This circuit generates pulses of 10% active cycle, which can be changed by changing the value...
This relaxation oscillator takes advantage of the negative resistance characteristics of a...