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G6Tanuki · 8th Nov 2017, 6:38 pm

Could you perhaps still keep the narrow xtal filter but apply some degree of treble-boost after it?

In the spirit of Dr. Robinson's "Stenode Radiostat"...

Alternatively I'm wondering if a relatively simple DSP sampling at the IF could be used: a Raspberry Pi and a small colour LCD panel could then give you both DSP noise-reduction and a "panadaptor" type display over a 5KHz band-window.

8th Nov 2017, 6:38 pm	#5
G6Tanuki Dekatron Join Date: Apr 2012 Location: Wiltshire, UK. Posts: 14,005	Re: HRO 'Set Top Box' Could you perhaps still keep the narrow xtal filter but apply some degree of treble-boost after it? In the spirit of Dr. Robinson's "Stenode Radiostat"... Alternatively I'm wondering if a relatively simple DSP sampling at the IF could be used: a Raspberry Pi and a small colour LCD panel could then give you both DSP noise-reduction and a "panadaptor" type display over a 5KHz band-window.