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Kai Klaas
01/20/06 06:27
Read: 495 times

Msg Score: +1
 +1 Good Answer/Helpful
#107877 - You are right
Responding to: Sun Din's previous message
Sun said:
Who is correct, the book or my experiment????

You are correct.
You can understand the behaviour of LM311 when you have a look at logic symbol of LM311: At ouptut of OPamp section a circlce can be seen. This measn the following:
If non-inverting input is higher than inverting input, then output of an OPamp normally goes high. But due to the inverting circle at output, output of OPamp section goes low. Output going low means that output transistor is turned-off. This means that due to the pull-up collector output goes high.


List of 3 messages in thread
lm311      Sun Din      01/20/06 06:15      
   You are right        Kai Klaas      01/20/06 06:27      
      Thanks Kai      Sun Din      01/22/06 22:53      

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