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Author Topic: DX-100 PTT Mod ?  (Read 3503 times)
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WB8VCM
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« on: February 10, 2007, 10:29:43 PM »
Does anyone have documentation on a PTT mod for a DX-100B ?

Thanks !

Bruce
WB8VCM
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K6IC
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« Reply #1 on: February 11, 2007, 01:35:22 PM »
Hi Bruce,

I have not needed the PTT mod myself.

But,  I agree with Mark.  Did put two thermistors in the primary of the Plate transformer to limit the inrush current.  Before that mod,  would see sparks  (pieces of the filament flying around inside of the 5R4 rectifiers .

GL with the DX-100B -- a great rig!    Vic  K6IC
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Steve - WB3HUZ
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« Reply #2 on: February 11, 2007, 08:43:51 PM »
IIRC there were several DX-100 PTT mods in QST back in the 50's.
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