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Q#1
OP-AMP and its Applications
GATE EC 2002
MSQ
+2 marks
-0 marks
Consider the circuit of Figure. The op-amp used is ideal.
(a) In which mode is the BJT operating (i.e. active, saturation or cut-off)? Justify your answer.
(b) Obtain an expression relating the output current and the input voltage.
(c) Determine and if volt ( : output of OP-AMP)
(Assume β = 99 and )
(a) Active Region
(a) Saturation
(b)
(c) and
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