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Old November 16th 07, 12:20 PM posted to rec.radio.amateur.homebrew
Uncle Peter Uncle Peter is offline
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First recorded activity by RadioBanter: Jul 2006
Posts: 189
Default Opening crystal filter can


"miken" wrote in message
...
On Fri, 16 Nov 2007 18:16:10 +1300, miken
wrote:

Correction --- The filters are LADDER configuration.


de miken, zl1bnb


If they (each crystal) has three leads in a row, then
they are likely to be monolythic filters. Especially
if they are have small value capacitors between each
section to ground.

15kHz BW in a ladder design is pretty hard to do in
my opinion.

cheers

Pete