Dummy load antenna??

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mojo3120
Posts: 25
Joined: Thu Feb 04, 2010 1:37 am

Dummy load antenna??

Post by mojo3120 »

I've got a Maratrac I want to use to test a bunch of lowband pagers. I don't have an antenna for it.....how could I make a dummy load for it? (or where to buy?)
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Wowbagger
Aeroflex
Posts: 1287
Joined: Tue Dec 10, 2002 10:46 am

Re: Dummy load antenna??

Post by Wowbagger »

mojo3120 wrote:I've got a Maratrac I want to use to test a bunch of lowband pagers. I don't have an antenna for it.....how could I make a dummy load for it? (or where to buy?)
You could buy an MFJ dummy load:
http://www.mfjenterprises.com/Search.ph ... dummy+load

Resistive:
http://www.mfjenterprises.com/Product.p ... d=115-1500

Oil Filled:
http://www.mfjenterprises.com/Product.p ... id=MFJ-250
This is my opinion, not Aeroflex's.

I WILL NOT give you proprietary information. I make too much money to jeopardize my job.

I AM NOT the Service department: You want official info, manuals, service info, parts, calibration, etc., contact Aeroflex directly, please.
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kb4mdz
Posts: 282
Joined: Tue Oct 02, 2001 4:00 pm
What radios do you own?: Too many for the time I have.

Re: Dummy load antenna??

Post by kb4mdz »

A Maratrac to test pagers? Are you looking to do 'range testing' on them; how far out in the real world they will alert? Or just something for on the bench? If it's just for the bench, there should be no need to transmit with a big 100+ watt Maratrac & then waste it in a dummy load.

You might just come right out of the RF board & bypass the amplifier completely - tho make sure to put the low-pass filter in your bypassed circuit. RF board puts out on the order of a few 10's of dBm, which I expect would be enough to flood a room with enough RF to alert a pager.
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