Your expectation on harmonics are dependent on the cause.
For example input overload can do that, often you get other products like 3/2s
as you have two signals generally the source and then the internal
signal with some offset.? Yes, third harmonic divided by 2, higher order is
possible as well.
it is also critical to know the generators harmonic level, hence the reason
for the setup I use with filters.? Most of the HP generators are very clean but
that is not absolute, there is always some.
Allison
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