[AMPS] Blown TL922A... What to do?

measures 2@vc.net
Sun, 10 Sep 2000 13:00:01 -0700


>
>.......
>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


--
FAQ on WWW:               http://www.contesting.com/FAQ/amps
Submissions:              amps@contesting.com
Administrative requests:  amps-REQUEST@contesting.com
Problems:                 owner-amps@contesting.com