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Subject: OPAMP buffer instability

Date: 03/27/01 at 12:26 PM
Posted by: ordepat
E-mail: pvgmatos@aeiou.pt
Message Posted:

When we have an OPAMP with negative feedback connected like a buffer, and the + entry connected to the ground it seems to work out that it is instable. In this case it oscilates with a frequency between +Vcc and -Vcc. Can anybody help me to find out why this happens. Thank you in advance for your help.

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