[sdiy] Opamp with disable - phase detection

[JH.]

Wouldn't a simple electronic switch do the same thing?

JH.


----- Original Message ----- 
From: "Veronica Merryfield" <veronica.merryfield at shaw.ca>
To: <synth-diy at dropmix.xs4all.nl>
Sent: Monday, May 12, 2008 12:42 AM
Subject: [sdiy] Opamp with disable - phase detection


THis link shows an intersil op-amp  with a disable pin being used to  
provide a voltage output proportional to phase. Not sure how fast the  
disable is - the full article talks about video multiplexing and this,  
the phase detection, being a low speed application but that might be  
fast enough for audio use. Someone might have a use for this hence  
passing it on.


http://www.edn.com/contents/images/6553627f1.pdf
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