Systematic errors in cesium beam frequency standards introduced by digital control of the microwave excitation
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As part of the accuracy evaluation of the NIST-7 primary frequency standard, we have investigated potential sources of frequency offsets due to the electronic servo system. We present results from investigations of RF spectral purity and synthesizer switching transients.
[1] Claude Audoin,et al. Frequency Offset Due to Spectral Impurities in Cesium-Beam Frequency Standards , 1978, IEEE Transactions on Instrumentation and Measurement.
[2] H. Samueli,et al. An Analysis of the Output Spectrum of Direct Digital Frequency Synthesizers in the Presence of Phase-Accumulator Truncation , 1987, 41st Annual Symposium on Frequency Control.
[3] C. M. Felton,et al. Extending the range and accuracy of phase noise measurements , 1988, Proceedings of the 42nd Annual Frequency Control Symposium, 1988..