On 11/15/2010 7:44 AM, John Ackermann N8UR wrote:
I'd like to find a couple of 5.0 and/or 10.0 MHz crystal filters,
preferably configured for use in-line with 50 ohm coax.
I've done some googling but don't find anyone selling these as a stock
item. Do they exist? Any pointers would be appreciated.
Used/surplus is fine (even preferable).
John, You don't say what width you require or any other details other
than it should be 50 Ohm, but these are relatively easy to build in a
ladder configuration with stock crystals. Google produces a lot of hits
for "crystal ladder filters"; the first:
http://www.aade.com/filter32/dishal.htm
Dan
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