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Re: PTT for uBITX ?


Woody
 

Ah Ha!?? Thanks...? I was looking at the main board schematic for T/R, not the Raduino T/R wiring.
Thanks,
Woody,? KZ4AK

On 10/8/2018 19:46, M Garza wrote:
To cause PTT, you need to go low.
PTT actually is happening via the Raduino and not directly from the transistor drivers.
Please look at the first image on this page: .
PTT is wired directly to the Raduino.

Hope this helps.

Marco - KG5PRT

On Mon, Oct 8, 2018, 2:20 PM Woody <mailme@... <mailto:mailme@...>> wrote:


I see many threads that indicate grounding (at MIC)
I plan to use a discreet PTT line to T/R
From the schematic, it appears that taking the input high
initiates PTT for TX.
All my stuff takes a PTT line low for TX.?? I guess I will need to
invert.? Comments ?????


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