Re: Low power output on ubitx

Mike R.
 

Hi Conrad and thanks for the reply.
I just shootgunned and replaced Q90 with a non-smd part and have exactly the same problem.
So replacing Q90 doesn't seem to be the cure.
In reading the posts I see where 12v on the collector of Q90 could be a bad thing. I get 11.7v on the collector,
3.7v on the base, and almost 3v on the emitter. I'm thinking I might have an issue further down the transmit chain.
The 12v I'm seeing on the collectors of Q92,93,96,and 97 are concerning as Glen's measurements has them at 2.8v.

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