On 08/13/2012 01:24 AM, John Miles wrote:
10MHz +9dbm
20MHz -50dbm
30MHz -37dbm
no obvious higher harmonics
broad noise envelope at 60> 75MHz @ -60dbm peak
Are these results typical or might I have an adjustment or other problem?
I seem to have missed the part where it's explained why anyone cares about
the harmonic content of their 10 MHz source...? Don't worry about it, it's
pretty much irrelevant. Harmonic filters can only hurt phase stability.
With an asymmetric filter, you get AM to PM conversion. Over-reacting to
overtones can get you into a place you don't want to be.
Cheers,
Magnus
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