With distortion of less than 1 dB from 10 Hz to 20 kHz this circuit was found in the December 1972 issue of Radio Electronics magazine. The amplifier is a type that preceded the 741, the 709.
This voltage regulator step can be used for a variable source from 0 to 30 V with a maximum output...
This circuit was found in Popular Electronics from February 1967. Transistors are from the period....
In this oscillator circuit using 3 TTL inverters we have all the conditions for the frequency...