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Author Topic: Oki Denki UTV-1200 BII, 1296 MHz Transverter  (Read 2354 times)
VK4KX
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Posts: 12




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« on: December 20, 2012, 04:49:44 AM »

I have bought a second hand "OKI Denki UTV-1200 BII" 1296MHz transverter but it has no manual and I can't seem to find any info on the WWW about it.
I know absolutely nothing about it or how to operate it.
If anyone has a copy of the manual in English I would appreciate a copy and I'm happy to pay for it, or if you have experience using one and could help me to understand it better I would be happy with that.
I have wired 12v to it and it powers up ok, connected it to my 2m radio but I can't see how it "Transverts" the 2m transmission to 23cm without some other means of connection other than the antenna patch leads. The 5 pin Din socket on the back has pin 1 marked as + (12v) Pin 3 as PTT & Pin 5 as - (12v ground)
Only 2 crystals are fitted and apparently 145.00 TX in becomes 1296MHz TX etc
That is all that is hand written on the box.


Thanks if you can help.

73 de VK4KX, Bernie
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W4OP
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Posts: 436


WWW

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« Reply #1 on: December 20, 2012, 07:19:58 AM »

I have the same transverter- also without a manual.

The unit will go to TX mode when you ground the PTT line. Normally this is accomplished by the  2M transceiver.
The downside to this unit is the L.O. instability. You will need to either substitute a PLL L.O. or an oven to stabilize the crystal temperature. At the very least, solder the crystal directly to the PCB, doing away with the socket. You will then still need to allow 1/2 hour or so for the temperature to stabilize.

If you find a manual- please let me know. I would like to have it for my files.

Regards

Dale W4PO
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KL7YY
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Posts: 1




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« Reply #2 on: March 06, 2013, 10:30:43 AM »

I have a manual for this transverter if you still need one.   I also have one for sale along with a Puma Bit-Zero23E 10 watt linear amp also with manual...

Myron
KL7YY
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VK4KX
Member

Posts: 12




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« Reply #3 on: September 14, 2013, 11:43:45 PM »

I would very much appreciate a copy of the manual if you don't mind emailing it adn I'm sure there would be others who would like a copy as well.


Thanks.
de VK4KX, Bernie
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