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 circuit, found in a Popular Electronics from 1992, is based on an oscillator and a crystal...
This circuit was found in an Experimenters Handbook of the 1990s. The purpose of this circuit is to...
The configurations of the two previous circuits can be modified to operate with a simple power...