>
>.......
>Clearly there are limits to the fidelity of software models. But if a model
>oscillates with a realistic set of parameters, then oscillation is a
>practical reality. And if no set of reasonable parameters can be found to
>support oscillation, then for practical purposes the circuit being modeled
>does not oscillate.
Using such software, it was determined that the 8877 is likely to be able
to oscillate above 100MHz. In my opinion, corrective measures are
indicated.
>Evaluating the effectiveness of suppressor circuits is a
>similarly-objective excersize.
>
The intermittent nature of VHF parasites makes this difficult at best.
>I suspect that neither combatant is truly interested in resolving the
>underlying technical issue;
? not a good bet.
later, Dave.
- Rich..., 805.386.3734, www.vcnet.com/measures.
end
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