Found in a 70s RCA manual, this circuit uses transistors from the era. Equivalent types can be used such as TIP31 for Q1 and BD135 for Q2.
This circuit was found in a 1964 magazine, which no longer exists. It is a small wireless...
Here we show an oscillator that uses an LC network. The upper limit depends on the power-supply...
We found this circuit in the June 1991 issue of Radio Electronics magazine. The integrated circuit is...