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Author Topic: First Detailed Look at TS-990  (Read 2710 times)
K0OD
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Posts: 2558




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« on: January 15, 2013, 09:47:56 AM »

Some real details on Kenwood's new high end transceiver due out "End of February."

"Simply touch the main screen for quick QSY re-tuning."

"The device uses POWER MOSFET VRF150MP,which runs at 50V, with push-pull. You can obtain a high, stable output of 200 W on all bands" What do you think?

What's the max display bandwidth?

http://www.hamradio.co.uk/userfiles/file/TS-990S_NPRI_final%20(2).pdf
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K0BT
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Posts: 189




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« Reply #1 on: January 15, 2013, 11:19:58 AM »

I'm only six lucky numbers away from owning one.
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W8JX
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Posts: 6063




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« Reply #2 on: January 16, 2013, 01:56:59 PM »

I have long said it is going to be a game changer.
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All posted wireless using Win 8.1 RT, a Android tablet using 4G/LTE/WiFi or Sprint Note 3.
KA5IPF
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Posts: 1013


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« Reply #3 on: January 16, 2013, 04:28:13 PM »

It will be interesting to see the rest of the final unit schematic. The VRF150 is a direct replacement for the MRF150 which was used in the TS950SDX. The drivers on the 950 are the 2SC3133's which are on the unobtanium list except from china. Maybe we can infer a replacement from the 990 schematic...

Clif
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WB6DGN
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« Reply #4 on: January 18, 2013, 01:43:45 AM »

Just a kibbitzer comment.  If the TS-990 is half the radio today that the FT-990 was in its day, it will be a winner.  Not holding my breath, though.
Tom
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SWMAN
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Posts: 571




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« Reply #5 on: January 18, 2013, 07:07:17 AM »

 There is a nice picture of in on the back page of Feb. QST. Looks great but out of my price range.
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YO9IRF
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« Reply #6 on: March 04, 2013, 08:44:56 AM »

They have released the instruction manual as well, it's almost 300 pages, alot of info inside:

http://yo9irf.blogspot.ro/2013/03/kenwood-ts-990s-instruction-manual-is-public.html
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YO9IRF
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« Reply #7 on: March 05, 2013, 09:20:40 AM »

This is even better, alot of pictures of the interior:

http://yo9irf.blogspot.com/2013/03/kenwood-ts-990s-inside-pictures.html

PS: is there a possibility to attach pictures or at least insert them in posts ?

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KA5IPF
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« Reply #8 on: March 05, 2013, 06:18:12 PM »

It will be interesting to see the rest of the final unit schematic. The VRF150 is a direct replacement for the MRF150 which was used in the TS950SDX. The drivers on the 950 are the 2SC3133's which are on the unobtanium list except from china. Maybe we can infer a replacement from the 990 schematic...

Clif

Oh well, it sounded good anyway. The picture shows a single FET driving the 2 finals which would preclude revamping the 950.

Clif
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