+1 vote
in Linear Integrated Circuits by (37.1k points)
Find the bias current from the given circuit

(a) 30mA

(b) 3mA

(c) 0.30mA

(d) 0.03mA

I have been asked this question by my college professor while I was bunking the class.

My question is from Very High Input Impedance Circuit topic in section Operational Amplifier Applications of Linear Integrated Circuits

1 Answer

0 votes
by (39.8k points)
The accurate choice is (c) 0.30mA

Here's an easy explanation: The bias current is given as Iin =Vin/Rin = 3v/10kΩ.

Where, Iin= Ib =0.3mA.

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