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"Evanescent-Mode Waveguide Filters Built in a Day",
Microwaves and RF, July 1987, pp 117 - 124
On Mon, 9 Dec 2019 at 15:41, Paul G8KFW <paul@...
How do you use WG 20 at 10 Ghz
I realise you are going to use 144 as an
IF for 122 Ghz but
If you consider 430 Mhz as an IF as making
a band pass filter would be easer
What we as a 10GHz community could do with, is an off the
shelf, or easy to build, 10GHz bandpass filter suitable for image rejection at
Something like a 3 section post-coupled waveguide
design. Or perhaps an evanescent one in WG20.
Unfortunately the need to do them with SMA connectors /
probes makes the setting up more tricky than in WG alone.
Pity I have no network or even scalar analyser that goes to
10GHz, otherwise it might have been a tempting project
On Mon, 9 Dec 2019 at 14:30, Clive, G3GJA <clive@...> wrote:
I’d like to take those boards please. I want to see if I can
convert GB3XY from FM ATV to DATV by mixing up from 2m or probably somewhere
above 150MHz as XY is co-sited with a 2m repeater.
I was going to get a DB6NT 3mc transverter kit but they were discontinued
before I could get one.
I'm having a clear out and found two bare unused G3WDG
boards they are G3WDG 002(B) board and a G3WDG 003 board, are they any use to
anyone and they seem such as shame to throw away ?.
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