[DSP-10] Continuing troubleshooting

Don AE5K donj at ae5k.us
Fri Apr 12 17:10:42 EDT 2013


On 04/12/2013 04:02 PM, Perry Ogletree wrote:
> ??????????????????????????????????????????
> -----Original Message-----
> In tx mode, the +10T line is zero.
> ??????????????????????????????????????????
>
> Isn't the +10T line supposed to be +10 volts IN transmit, not 0 volts.  As I
> recall, that line was the power for the PA chain. That would explain your
> low power readings!
>
> Perry - K4PWO
>

Yes, you are right Perry, nice catch...but unfortunately it is a catch 
of a typo where I meant the rx mode!  The next line after that shows the 
10.8 vdc reading on +10T in tx mode.

Don AE5K



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