[ARC5] More BC-455 IF thoughts

[Bill Cromwell]

Hi J,

Stagger tuning is used to increase bandwidth - just the opposite of 
narrowing it.

73,

Bill  KU8H

On 04/13/2018 10:15 PM, J Mcvey via ARC5 wrote:
> Well , the BC-455 that I THOUGHT had all three IFs changed to 85Khz
> wasn't that .
> The 1'st IF numbers were faded so I ASS-u-med that they were all the
> same. Unfortunaely, only the 2nd and 3rd IF were 85Khz , The ist IF
> tuned out to be the original, thus all of the heavy mods were about a
> second oscillator which he must have removed the Xtal or whatever, as
> there was no sign of a secondary osc circuit coil either.
>
> Anyway, I was wondering if stagger tunning the IFs might be a way to
> narrow the BW on the cheap?
> For instance 1st IF tuned at 2830 , 2nd tuned in the LSB of the first IF
> and the 3rd IF tuned in the LSB of the 2nd.
> AM might sound funky, but LSB and CW should be a lot more selective, no?
>
>
>
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-- 
bark less - wag more