This 455 kHz IF calibration circuit uses a 4,096 MHz crystal. The circuit can be powered by voltages from 5 to 9 V.
This oscillator with signal amplitude adjustment generates a 6.5 Hz signal with the values of the...
We found this circuit for guitar training in an English documentation from 1989. The components are from...
This circuit was found in a Hands On Electronics from the 90s. The circuit does not need a...