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Getting On the Amateur Bands Below 10 GHz Marty Woll N6VI.

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Presentation on theme: "Getting On the Amateur Bands Below 10 GHz Marty Woll N6VI."— Presentation transcript:

1 Getting On the Amateur Bands Below 10 GHz Marty Woll N6VI

2 The Plan “Blade” concept for stacking & packaging Common interface and mounting Compact enough for vehicle rooftop Use commercially available building blocks

3 The Components DB6NT transverters (144 MHz IF) DB6NT amplifiers (~10 dB power increase) DB6NT SEQ-2 sequencers Surplus SMA SPDT relays for T/R Surplus SMA SP4T to switch IF & Ref Osc Traco voltage converters for relays Surplus UT-141 jumpers (re-bent to suit)

4 Kitchen table wasn’t big enough

5 Assemblies before the point-to-point wiring

6 2304 transverter was positioned to accommodate its integral heat sink SequencerVoltage converter

7 3456 used surplus PA (under $60) Had to attenuate transverter output

8 5760 was the easiest layout

9 For 10 GHz, used a pipe cleaner to measure the required UT-141 loop

10 Packaged up in a Halliburton camera case back to front: 2, 3, 5 & 10 GHz

11 Side view showing control switching in back Cooling vents on side and bottom of case

12 It’s not the prettiest wiring job in the world......... but it works (so far)! - Over 100 QSOs each weekend of 2012 10 GHz & Up - Survived numerous 10-grid-square contest roves (700 to 800 miles each) without complaining -Worked rovers quickly with one-switch band changes -- Stop-and-go operation; no on-site set-up

13 Have a great meeting! Sorry I missed it; still packing for morning departure to Frazier for June VHF Contest Hope to work you from DM04ms this weekend! 73 de Marty N6VI


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