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Old 4th Nov 2022, 8:24 pm   #15
Bazz4CQJ
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Location: Oxfordshire, UK.
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Default Re: Simple Valve Rx from 1966

Quote:
Originally Posted by Jon_G4MDC View Post
3kHz or less would be the target for SSB.

As we have been discussing in a parallel thread 6kHz is about the best you can get from a well designed 455kHz filter using just L&C IF transformers. It's good for low-Fi AM reception (speech) but about twice as wide as needed for SSB.

Jon, just to try clarify 6 v 3kHz? Is this just a terminology issue. Are you using 3 meaning +-3 for the bandwidth, while that guy has just expressed the same thing as 6?

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