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Author Topic: Station connecting questions - got an amp!  (Read 1067 times)
KF6ABU
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Posts: 351




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« on: May 01, 2010, 01:01:52 PM »

Just got a als 600s. Trying to hook it up and really unsure.

My gear is:

yaesu 857d  - http://yaesu.com/downloadFile.cfm?FileID=1128&FileCatID=158&FileName=FT%2D857D%5FOperating%20Manual.pdf&FileContentType=application%2Fpdf

als 600s - http://www.ameritron.com/man/pdf/ALS-600.pdf

Receive Antenna Interface- DXE-RTR-1 from DX Engineering - http://www.dxengineering.com/pdf/RTR-1-Rev3.pdf

Ameritron AMR-ARB-704 - http://www.ameritron.com/man/pdf/ARB-704.pdf


I also have the AMR-PNP-8M (arb-704 interface cable)
various RCA and stereo and RCA to stero cables.

The ARB-pnp-8m goes from my radio to the 704, easy enough.
Next i think i need to connect the "transmit ground from my radio to the transmit ground of the dxe-rtr-1?


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KA5N
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Posts: 4380




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« Reply #1 on: May 01, 2010, 04:34:32 PM »

I suppose you have two antennas, a transmitting antenna and a receive antenna.  Normally if you hook things up correctly then the shield of the connecting coax will provide the ground connection from the transmitter to the interface.  I suppose if you wanted to be doubly sure you could connect a wire in addition to the coax (although the interface doesn't have a separate ground connection).
I wonder if you really need a separate receive antenna and the interface.  I suppose if you have a Beverage antenna or other low noise antenna for 160 meters that is the reason. It makes things simplier if your transceiver has a receive antenna input.
I think I would try the transceiver and amplifier together before connecting the interface and receive antenna.  Two many new things at once makes any troubleshooting more complicated.
Allen
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KF6ABU
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Posts: 351




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« Reply #2 on: May 01, 2010, 04:46:39 PM »

Thanks for the reply.

I use a vertical antenna, and the noise floor in my area on 80m - 20m is about s9, so i have a directional magnetic loop which helps a ton.

Hooking up the radio to the amp is easy, or the radio to the receive interface is easy, but yes, you're right, hooking it up all up very complicated and I'm pretty lost.
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AI7RR
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Posts: 164




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« Reply #3 on: May 03, 2010, 11:44:02 AM »

Diagram 2, Page 15 of DXE-RTR-1 seems pretty straight forward. Your transmit ground will need to be Y'd from the radio to the RTR and the amp. You can build one or buy a ready made RCA (m) to 2 RCA (f) Y adapter at most audio video places. Then use your existing RCA cables to complete the connections.

73,, Roger
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KF6ABU
Member

Posts: 351




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« Reply #4 on: May 03, 2010, 04:43:57 PM »

the cable they wanted a y in per the intrustions is an 8 pin cable, so that didnt really apply.

I called dx engineering and was given the answer. in case anyone else runs into this scenraio the answer is:


connect your radio to the 704 via the pnp-8m
connect the "radio" jack of the pnp-8m to the "transmit ground" of the rtr-1
connect the "alc" of the 704 to the "alc" of the als 600
connect the "amp" of the 704 to the "relay" of the als 600
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