Thom,
I've mentioned the future variable passband filters several times,
including in the very first posting. Not sure when they'll be
available. Probably sometime after first shipments.
In any case, you're right -- if you like this idea, then reserve at
least one crystal filter slot for it.
73,
Wayne
N6KR
On May 1, 2007, at 8:59 AM, W2AGN wrote:
wayne burdick wrote:
The most appropriate roofing filter is selected automatically as
these controls are rotated. If you have one of our [pending]
variable-passband crystal roofing filters installed, then the 1st
I.F. bandwidth (crystal filter) will closely track the 2nd I.F.
bandwidth (DSP). This is far superior to receivers that have only
wide roofing filters and try to do the whole job at the DSP, as well
as receivers that simply shift one filter against another at two
different IFs.
I have been trying to avoid adding to the bedlam, but then you drop a
mini-bomb like this "pending" variable passband crystal roofing
filter.
---
http://www.elecraft.com
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