The VS-401 voltage controlled SAW Oscillator from Vectron International (Baltimore, MD) offers 12 fsec of rms jitter over an integrated bandwidth. The 13 × 20 mm SMD package provides a high frequency, low phase noise reference source. ADC signal to noise ratio is constrained by the broadband jitter of the reference clock; the constraint grows as frequency of the input signal increases. The reduction in clock jitter allows high performance data converters to meet their SNR and ENOB potential. Output frequencies range from 1.3 GHz to 2.1 GHz. Singleended sinewave output of 5dBm and 5V operation are featured.
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