Using a 4046 PLL we found this circuit in the December 1989 issue of Radio Electronics magazine. The circuit operates at 220kHz, but this frequency can be changed by changing C3.
An oscillator that uses two gates is not suitable for critical applications, as it tends to pick...
The resistors R1 and R2 consist of 8 220 ohms x 2 W resistors connected in parallel. The...
This is a conventional double T oscillator, where the frequency is determined by the double T...