[email protected] wrote:
In a message dated 08/08/2009 09:53:35 GMT Daylight Time,
[email protected] writes:
Unless anyone has a 2N1701 lying around?
----------------
Hi Jim
Going back through the archives I see you're about three volts high on
that power rail, certainly more than I 'd expect through normal tolerances.
Three volts though is also a bit lower than I'd normally expect as the
headroom on a series pass transistor, assuming it is a series regulator?, so
would still suggest checking the transistor itself or measuring the voltage
across it.
Loading down the output a bit more would also show whether or not the
output is actually regulated.
Please also note that it is not necesserilly that transistor which could
be bad, but the driving curcuit may have gone bad.
Cheers,
Magnus
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