[1000mp] Mechanical x Crystal Filters

Gorsline [email protected]
Mon, 07 Apr 2003 19:24:22 -0400


Eric - the two types of filters accomplish the same thing, but use
different technologies and have different shape factors.  There is a good
description of how mechanical filters work at
http://www.rockwellcollins.com/otherbusinesses/collins-filters/what-filter/

I don't have a reference handy for crystal filters, but the basics are in
the ARRL handbook.

For more information on filter options for the 1000 family, go to
http://www.va3cr.net/index/main.html and look for "Filter Option Listing
for all 1000 radios by VE3YV"

73,  George VE3YV / K8HI

Eric Castro wrote:

> Hi,
>
> My name is Eric - PY2EMC and I am trying to understand the differences
> between crystal filter versus mechanical filter.
>
> I want to understand where and when I can use one or another.
>
> Where can I found this information ?
>
> I appreciate any help.
>
> 73's & DX
> Eric - PY2EMC
> http://www.cwsp.org.br
>
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