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Re: Sbitx #165 received today, thoughts.


 

Allison,

Just checked #163

Starts at 300-400mA and goes to 600mA and rises to 750mA when sBitx

starts running. No surge.

Raj, vu2zap

On 29/09/2022 10:39 PM, ajparent1/kb1gmx wrote:
One item noticed and causing concern is a very high current spike at startup.
How high?? Over 5A.? I noted this with mine as i added a fuse to protect it
and?on power up the 6A fuse blows, not a good thing.

I believe something is driving the power amp to full power momentarily and
may have something to do with final getting blown up.? This is being
investigated and a solution should result.

While working with the radio use a current? regulated supply (set to 5-6A)
or fuse supply lead.? This may prevent disasters.

Allison

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