[BC] Correct URL for the Symmetra-Peak

[Robert Meuser]

Very simplisticly, a gyrator is an opamp circuit that turns a resistor 
into an inductor. The gyrator circuit can be trimmed with a 
potentiometer, so it could actually be a variable inductor. They are the 
major component in FDNR filters found in the output of some audio 
processors, including some Orban and some CRL units.

You could do the symmetra-peak circuit with 2 quad opamps.

R



WFIFeng at aol.com wrote:

>In a message dated 08/16/2006 12:38:19 PM Eastern Daylight Time, 
>Robertm at broadcast.net writes:
>
>  
>
>>Wille, you could do this with gyratora and possibly be less complex than 
>> the full opamp version.
>>    
>>
>
>What, exactly, is that?
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