Overtone Crystal Oscillator Project

Ne602 Gain

Sigrietics NE602 as a Test Instrument Use the Signetics NE602 doubly balanced active mixer as a down converter to expand the useful bandwidth of an oscilloscope. The demonstration circuit shown has been employed to observe clearly the 13th harmonic of the crystal oscillator at a frequency of 1663.857 MHz. In this example, the 3rd harmonic of the signal generator operating at a fundamental frequency of V3 1663.857 MHz or 554.619 MHz is positioned a few kHz above or below 1663.857 MHz to provide...