crystal oscillator

electronics green gadget multimedia signage machine motherboard toy number crystal oscillator frequency-determining element digital electronic circuit boards mhz crystal-oscillator clock-signal digital-electronic xtal clock-generator quartz-crystal electronic-oscillator microchip integrated-circuits resonator kilohertz megahertz frequency piezoelectricity frequency-selective electromechanical circuit electronic chip speed electronics digital hardware board semiconductor processor motherboard impedance resonant signal phase lab engineering hertz industry frequency stability component technology card isolated green black electrical computer physics