This oscillator has an eleven.6MHz crystal which is tuned on the third overtone or harmonic of 34.8MHz. The sine wave underneath is fairly excellent, and there is almost absolutely nothing of the eleven.6MHz elementary while in the 34MHz output inside the Fourier Display screen. Shortages of crystals during the war https://crystal-oscillator-suppli15926.losblogos.com/30228127/top-guidelines-of-precision-crystal-oscillators