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GATE ECE 2016 Set 1
Numerical
+1
-0
The following signal Vi of peak voltage 8V is applied to the non-inverting terminal of an ideal Opamp. The transistor has VBE = 0.7 V, $$\beta \, = \,100;$$ VLED = 1.5 V, VCC = 10V and -VCC = -10V. GATE ECE 2016 Set 1 Analog Circuits - Operational Amplifier Question 61 English 1 GATE ECE 2016 Set 1 Analog Circuits - Operational Amplifier Question 61 English 2

The number of times the LED glows is ______.

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2
GATE ECE 2015 Set 3
Numerical
+1
-0
In the circuit shown using am ideal opamp, the 3-dB cut-off frequency (in Hz) is _____. GATE ECE 2015 Set 3 Analog Circuits - Operational Amplifier Question 63 English
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3
GATE ECE 2015 Set 2
Numerical
+1
-0
In the circuit shown, VO = VOA for switch SW in position A and V0= VOB for SW in position B. Assume that the opamp is ideal.

The value of $${{{V_{OB}}} \over {{V_{OA}}}}$$ is _____

GATE ECE 2015 Set 2 Analog Circuits - Operational Amplifier Question 65 English
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4
GATE ECE 2015 Set 2
Numerical
+1
-0
In the bistable circuit shown, the ideal opamp has saturation levels of $$ \pm 5V.$$ The value of R1 (in k$$\Omega $$ ) that gives a hystersis width of 500 mV is ______ GATE ECE 2015 Set 2 Analog Circuits - Operational Amplifier Question 64 English
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