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Author Topic: 10GHz operation via doppler module
soisentine-
l
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Posts: 1
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Post 10GHz operation via doppler module
on: March 31, 2015, 13:47
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As I wait for my book, I was looking around and found this:

http://www.ham-radio.com/sbms/presentations/Walt_Clark/DROplexer.pdf

One of my takeaways for this is that it's possible to get about 3MHz bandwidth (3Khz per mV) from those cheap 10GHz DRO based HB100 doppler radar modules via input voltage variation (4V-5V approximately). It's no where near the 80MHz of the tin can radar, but I'll have to give it a try for $6.

After designing and constructing the support circuitry and verifying a good doppler shift, I'll have to shoot at a blank wall and see how linear the variation is at various ramp rates.

DaveEaton
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Posts: 4
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Post Re: 10GHz operation via doppler module
on: July 16, 2015, 18:02
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How did it go? I've just been thinking about this myself. I bought a pile of the DRO units. I've used them for vibration monitoring (a weird personal project).

One thing I would warn people- the DRO units are super sensitive to static. This can be a hassle with lots of microwave stuff, but these seem to be insanely fragile.

ErdaCarota
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Posts: 1
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Post Re: 10GHz operation via doppler module
on: November 10, 2015, 12:56
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I want to know something about your project. Can you please post some more about it here?
Also what is DRO and the other components?
Does it require any software tool for designing?
What is use of Doppler module here and is 10GHz is the frequency range of the Doppler module?

prototype pcb assembly services

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