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Old 11-27-2016, 11:24 AM
Electronic M's Avatar
Electronic M Electronic M is offline
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Join Date: Jan 2011
Location: Pewaukee/Delafield Wi
Posts: 15,473
IMHO the IF on a 21CT55 is nice to have functional, but unnecessary....There are well documented and proven composite video preamp/injection circuits, and audio injection schemes already widely implemented on the CTC-2 chassis....See Phil's Old Radios CT-100 page and other pages dedicated to the CT-100 for details of the circuit.
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