A simple circuit will be presented for deriving an adjustable phase output from the Tektronix SG 505 audio oscillator. Phase and amplitude adjustments are independent of frequency. Using a notch filter and a spectrum analyzer, distortion measurements can be made on systems previously unmeasurable such as quadraphonic logic decoders. Using a digital multimeter, separation measurements can be made with the logic circuits active. Results of tests on commercial units will be presented.

Author: Cabot, Richard C.
Affiliation: Tektronix Inc., Beaverton, OR
AES Convention: 64 (November 1979) Paper Number: 1525
Publication Date: November 1, 1979 Import into BibTeX
Permalink: https://www.aes.org/e-lib/browse.cfm?elib=2829

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