Second Rx Filters

[Julius Fazekas n2wn]

In preparation for installing the second Rx, I will have a wider selection of filters for the main Rx versus the second Rx. Should the same filters be placed in their corresponding slots on both? In my main, I'll have the 2.7, 1.0, 500, 400 and 250. The second will have the 2.7 and 400 only at this time.

Thanks,
Julius

Julius Fazekas
N2WN

Tennessee Contest Group
TnQP http://www.tnqp.org/

Elecraft K2/100 #4455
Elecraft K3/100 #366
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[Don Wilhelm-4]

Julius,

There is no one 'right way' - My opinion -- If you ever toggle the
filters with the XFIL button, then having the filters in corresponding
slots will be easier to remember - i.e, FL4 is the 400 Hz filter no
matter whether the main or the sub.

If you only use the DSP controls (width and shift or HI and LO cut),
then the DSP will figure it out and there is no need to mentally
remember which filter is in which slot.

73,
Don W3FPR

Julius Fazekas wrote:
> In preparation for installing the second Rx, I will have a wider selection of filters for the main Rx versus the second Rx. Should the same filters be placed in their corresponding slots on both? In my main, I'll have the 2.7, 1.0, 500, 400 and 250. The second will have the 2.7 and 400 only at this time.
>
> Thanks,
> Julius
>  
>
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[Dick Dievendorff]

I'd recommend descending width, widest at FL1...

I personally find it "tidier" to line things up.  I'd put the 2.7 in FL1 and
the 400 in FL4 in the sub if it were my radio. But you can just as easily
put the 400 Hz filter in FL2 in the sub.   As long as you set the filter
configuration to match physical reality either should work fine.

There are fewer surprises due to missed configuration settings if FL1
contains a filter.  After EE INIT (should you ever need to do this), the sub
Rx will be configured for a 2.7 kHz filter at FL1.  It might be comforting
if that just works before you reconfigure filters after an EE INIT.

Dick, K6KR




-----Original Message-----
From: [hidden email]
[mailto:[hidden email]] On Behalf Of Julius Fazekas
Sent: Sunday, February 01, 2009 6:14 AM
To: [hidden email]
Subject: [Elecraft] Second Rx Filters

In preparation for installing the second Rx, I will have a wider selection
of filters for the main Rx versus the second Rx. Should the same filters be
placed in their corresponding slots on both? In my main, I'll have the 2.7,
1.0, 500, 400 and 250. The second will have the 2.7 and 400 only at this
time.

Thanks,
Julius

Julius Fazekas
N2WN

Tennessee Contest Group
TnQP http://www.tnqp.org/

Elecraft K2/100 #4455
Elecraft K3/100 #366
______________________________________________________________
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