[1000mp] 4 kHz roofing filter

Pete Smith n4zr at contesting.com
Mon May 17 17:29:44 EDT 2004


At 02:11 PM 5/17/2004, you wrote:
>The filter comes on a board that installs in place of the
>70 MHz IF mod.  The board includes impedance matching and
>a post filter amplifier that has about 2 dB of excess gain
>(gain in excess of the filter loss).


That is cool -- so then the 4 KHz roofing filter is in series with the 
existing wide one?  That should be much easier than replacing the existing 
filter.

73, Pete N4ZR
The World HF Contest Station Database
was updated on April 26, 2004
2706 contest stations at
www.pvrc.org/WCSD/WCSDsearch.htm  



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