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Re: QDX Rev 4: Q11 (BS-170) blown, replacement gets instantly very hot. Elevated current draw on RX.


 

Daniel Conklin <danconklin2@...> wrote:

What do you consider to be long key down? I accidentally had a key down
time of about 3 minutes into a more than 50:1 SWR with my QDX (both
needles on the meter were nearly straight up), the case didn't get warm
and I didn't blow up any parts. This was caused by a change in my
antenna (weather related) that caused RF getting into the laptop and
affecting the touchpad so I wasn't able to click the tune button to turn
off the transmitter. After trying for that length of time I finally
pulled the power plug out. The QDX is still working fine.
What voltage did you supply to the QDX?

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