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Vintage CBS SQ (Quad) Full Logic Decoder Circuits

Posted: Fri Sep 02, 2011 2:35 pm
by mediatechnology
CBS SQ Quadraphonic Decoder documentation from 1974 using the Motorola MC1312, MC1314 and MC1315 ICs.

Variable Blend SQ Full-Logic Decoder, L-2 Using Motorala Integrated Circuits, March 4, 1974. (Full pdf, 11 pages, 506 KB)
Also included in the pdf are the instructions for the Motorla HEP C6126, C6127 and C6128.

Image
Example CBS SQ Decoder with Variable Blend using the Motorola HEP C6126-series

Tags: CBS, Motorola, SQ, Quad, Quadraphonic, Full-Logic, Decoder, Vintage Audio, 70-s retro, phono

See also: http://quadraphonicaudio.wordpress.com/2009/07/12/sq/

Re: Vintage CBS SQ (Quad) Full Logic Decoder Circuits

Posted: Wed May 04, 2022 11:14 am
by mediatechnology
Motorola MC1312 MC1314 MC1315 SQ Decoder data sheets.

I finally found a clean copy in the 1976 Linear catalog and extracted the pdf.

https://proaudiodesignforum.com/images/ ... ecoder.pdf