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Old 22nd Apr 2021, 8:28 pm   #3
Skywave
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Join Date: Jun 2006
Location: Chard, South Somerset, UK.
Posts: 7,151
Question Re: Where is the RF amplifier?

Lawrence - thank you.
When you say "Low IF", is that the common 455 - 470 kHz or freqs. much lower, such as 110 kHz?
I know what bandpass tuning is and the advantages it can bring, but of those advantages they're not really a substitute for an active RF amplifier, are they?

Al.
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