Re: 500Hz 5-pole vs Inrad 500Hz 8-pole?
Posted by
Dunc Carter - W5DC on
Jan 27, 2011; 9:33pm
URL: http://elecraft.85.s1.nabble.com/500Hz-5-pole-vs-Inrad-500Hz-8-pole-tp5958957p5967893.html
My Inrad 500 Hz filter seems to be centered perfectly. The 250 Hz 8
pole Elecraft badged 8 pole filter seems slightly off center but
probably not enough to bother diversity but since I don't have the
second receiver, I can't say for sure.
I've used the 500 Hz filter for 500 Hz Olivia without any apparent problem.
Dunc, W5DC
On 1/27/2011 1:30 PM, Ross Primrose wrote:
> Thanks to everyone who responded. I've gone with the Inrad 8-pole 500hz
> filter for now. Expected arrival date for my K3 is next Weds.
>
> 73, Ross N4RP
>
> On 1/25/2011 9:27 AM, Ross Primrose wrote:
>> Any thoughts on the merits of one vs the other? The 5-pole filter is
>> cheaper, but they need to me matched for diversity receive, does the
>> 8-pole Inrad filter not need to be matched? Is either one/both wide
>> enough for 500Hz Olivia modes?
>>
>> Thanks...
>>
>> 73, Ross N4RP
>>
>
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