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previous: JMF Thanks, yeah if you wouldn't minda ... -- 9/9/2000 8:34 PM view thread

Re: Dr Q, Q's????

9/13/2000 11:08 PM
Tiago
Re: Dr Q, Q's????
This problem occoured with me too. I build the circuit from the layout in the projects page here in Ampage. Iīm a beginner in DIYing, and they said to me that it was the gain of the envelope detector, that is too low. Replace the 470K resistor on the envelope detector with a 2.2M or 2.7M. This resistor is at the right of the IC, if you made the same layout as me.  
 
I forget to say that the above is for the Jack Ormanīs Dr. Quack, not the Doctor Q. Itīs better make the Dr. Quack, that is a little modified from the Doctor Q. and accept a wider range of dual opamps.  
 
Tiago