k5rmg
description
Transcript of k5rmg
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W5HNNorth
Texas
Microwave
Society
NTMS
WWW.NTMS.ORG 1
www.k5rmg.orgNTMS Mini Conference – November 3, 2012
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W5HNNorth
Texas
Microwave
Society
NTMS
WWW.NTMS.ORG 2
My 10 GHz Journey
DEMI transverter and a Harris LPA (320 mW)2002
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W5HNNorth
Texas
Microwave
Society
NTMS
WWW.NTMS.ORG 3
First 10 GHz Rover Station2002
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W5HNNorth
Texas
Microwave
Society
NTMS
WWW.NTMS.ORG 4
Synthesized LO and TWTA2006
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W5HNNorth
Texas
Microwave
Society
NTMS
WWW.NTMS.ORG 5
Roving 10 GHz and Above contestCalifornia 2009
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W5HNNorth
Texas
Microwave
Society
NTMS
WWW.NTMS.ORG 6
2011 ARRL 10 GHz and Above contestIn Sacramento, CA.
DEMI transverter and Harris 3W SSPAand FlexRadio 1500
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W5HNNorth
Texas
Microwave
Society
NTMS
WWW.NTMS.ORG 7
November 5, 2011 Mini Conference highlights:
Making use of the Harris Farinon 10 GHz modules
Long range plan was to integrate the modules into a IC-251A
Began work on this project April 2012
The IC-251A developed reliability issues
New plan #1: Integrate modules with IC-706 and new 36” dish
New plan #2: Integrate some modules with 40 watt TWTA
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W5HNNorth
Texas
Microwave
Society
NTMS
WWW.NTMS.ORG 8
IC-251A Integration Project
Radio developed reliability issues
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W5HNNorth
Texas
Microwave
Society
NTMS
WWW.NTMS.ORG 9
New Objective:
Design an easy to build modularized 10GHz transverter using existing junk box parts and scrounged subassemblies whenever possible.
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W5HNNorth
Texas
Microwave
Society
NTMS
WWW.NTMS.ORG 10
10224 MHz LO Chain
AD6IW LO
W1GHZ Mult.
Pwr Splitter
+12 V
+12V
1136 MHz
X9 Mult. To RX
To TX
V regulator10224 MHz
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W5HNNorth
Texas
Microwave
Society
NTMS
WWW.NTMS.ORG 11
RX Converter
RX Mixer LNA
Harris FarinonNF 2.8dB
LNA
W5LUANF <1.0 dB
WG Filter
10368 MHzFm WG Sw
10224 MHzFm Splitter
144 MHzTo I/F Radio
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W5HNNorth
Texas
Microwave
Society
NTMS
WWW.NTMS.ORG 12
TX Converter
144 MHzTX I/F
10224 MHzFm Splitter
Mixer
10368 MHzBPF
Harris LPA
+12 V
TWTA 40 W
To WG Sw
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W5HNNorth
Texas
Microwave
Society
NTMS
WWW.NTMS.ORG 13
Phase 1 fabrication
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W5HNNorth
Texas
Microwave
Society
NTMS
WWW.NTMS.ORG 14
Phase 2: Add more parts
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W5HNNorth
Texas
Microwave
Society
NTMS
WWW.NTMS.ORG 15
10 GHz and Above Contest2012