Quote:
Originally Posted by John Folsom
The resistor elimination in the 21CT55 matrix from the CT100 design was a patent dodge. RCA did not want to pay royalties on I/Q demodulation. Well, thats the story I heard. RCA was known to do almost anything to avoid paying royalties.
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RCA was the last major mfr. to use intercarrier audio. I guess Sarnoff didn't want to lower himself to paying royalties to Motorola Inc.