This low frequency oscillator circuit was found in an Electronic Design from the 90s. The transistors are common types, and the frequency is given by the crystal.
August 2017 - STMicroelectronics' BlueCoin development environment is available at Mouser...
We found this circuit in the January 1978 issue of Radio Electronics magazine. The integrated...
Found in a 90s Electronic Design, this circuit generates harmonics from a sinusoidal input signal....