Title :
A method for using a time interval counter to measure frequency stability
Author :
Greenhall, Charles A.
Author_Institution :
Jet Propulsion Lab., California Inst. of Tech., Pasadena, CA, USA
Abstract :
An interval timer is used in a single-mixer frequency-stability measurement system in place of an event timer. The dead-time problem is avoided with the aid of a reference pulse train and an algorithm for ambiguity resolution. The noise floor test and the unfolding algorithm are described. Advantages of the technique are high precision, convenient interfacing, and low cost. A disadvantage is the vulnerability of the technique to missing data.<>
Keywords :
frequency measurement; frequency meters; frequency stability; ambiguity resolution; frequency stability; interfacing; noise floor test; reference pulse train; single-mixer frequency-stability measurement system; time interval counter; unfolding algorithm; vulnerability; Art; Counting circuits; Detectors; Frequency conversion; Frequency measurement; Laboratories; Propulsion; Pulse measurements; Stability; Time measurement;
Journal_Title :
Ultrasonics, Ferroelectrics, and Frequency Control, IEEE Transactions on