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Skywave · 22nd Apr 2021, 9:28 pm

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.

22nd Apr 2021, 9:28 pm	#3
Skywave Rest in Peace Join Date: Jun 2006 Location: Chard, South Somerset, UK. Posts: 7,457	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.