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05-05-2020, 11:05 AM

Tom9589

VideoKarma Member

Join Date: Jan 2013

Location: Stone Mountain, GA

Posts: 486

IF Frequencies

What is the reason that TV IF frequencies went from 26 MHZ in the early sets to 45 MHZ in the current sets. I suspect it was more than one reason.

On a tangential note, why were AM car radios' IF frequency essentially 1/2 that of table AM radios?

Curious minds want to know.

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