Title :
High-Precision Audio-Frequency Phase Calibration Standard
Author :
Turgel, Raymond S. ; Oldham, N.Michael
Abstract :
A high-precision standard for the calibration of audio-frequency phase meters has been designed using a microprocessor to generate the test signals. The accuracy is better than 0.01 degree over a frequency band from dc to 5 kHz and decreases to 0.1 degree at higher audio frequencies.
Keywords :
Calibration; Frequency; Measurement standards; Microprocessors; Phase measurement; Sampling methods; Signal design; Signal generators; Signal sampling; Testing;
Journal_Title :
Instrumentation and Measurement, IEEE Transactions on
DOI :
10.1109/TIM.1978.4314739