All this talk about TX IMD and monitoring voltage, etc got me to check
out my K3. I usually run @ 50w into small amp and I see 13.7V on rcv and
11.5 while xmit. If I run the power up to 100w, I see 13.7 and 10.8; do
I have a problem? I am using an unmetered Astron RS-35 into our standard
220v
Tom CX7TT wrote:
All this talk about TX IMD and monitoring voltage, etc got me to check
out my K3. I usually run @ 50w into small amp and I see 13.7V on rcv and
11.5 while xmit. If I run the power up to 100w, I see 13.7 and 10.8; do
I have a problem? I am using an unmetered Astron
I usually run @ 50w into small amp and I see 13.7V on rcv and
11.5 while xmit. If I run the power up to 100w, I see 13.7 and 10.8; do
I have a problem? I am using an unmetered Astron RS-35 into our standard
220v house supply.
You definitely have a problem, Tom, but it has nothing to do with
Tom,
You do have a problem. I recommend that you first check the voltage
during transmit at 100 watts at the power supply terminals. If there is
more than a few tenths of a volt drop there, you will have a power
supply problem - the power supply terminals have connections on the
inside as
Craig D. Smith wrote:
Thinking in broader terms for the future, we are at or have exceeded the
technical capability of a nominal 12V input power system. It is time to
think about higher voltages for rigs used in the home environment, perhaps
48V. If there ever is a K4 (never say never,
Thanks for the many responses, both private and via the forum. I
substituted a metered Astron PS and went directly from the PS to the K3
with Elecraft supplied power cord.. Now the measurements are:
100w 13.9v to 12.9v; 50w 13.9v to 13.3v. this I can live with...
My previous setup was the
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