[volt-nuts] Solartron 7150plus - Chasing AC gremlins

Philip Pemberton philpem at philpem.me.uk
Wed Dec 12 23:10:08 UTC 2012

On 08/12/12 07:40, m k wrote:
> How stable are the power supplies?

The analog supplies are fine - the noise level on the +/-15V rails seems
to be on the order of 10 to 20mV pk-pk.
Digital 5V is a little noisy but that's to be expected.

The symptoms have now changed -- the meter is now reporting overload on
all AC voltage and current ranges... I suspect whatever was failing has
now failed completely. :-/

Time to do some signal tracing, I reckon - from the input jacks to the
land of Mordor, where the shadows lie. So to speak...

philpem at philpem.me.uk

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