1
GATE ECE 1998
MCQ (Single Correct Answer)
+1
-0.3
The emitter coupled pair of BJT’s gives a linear transfer relation between the differential output voltage and the differential input voltage Vid only. When the magnitude of Vid is less than '$$\alpha$$' times the thermal voltage, where '$$\alpha$$' is
A
4
B
3
C
2
D
1
2
GATE ECE 1998
MCQ (Single Correct Answer)
+1
-0.3
From a measurement of the rise time of the output pulse of an amplifier whose input is a small amplitude square wave, one can estimate the following parameter of the amplifier:
A
gain-bandwidth product
B
slow rate
C
upper 3-dB frequency
D
lower 3-dB frequency
3
GATE ECE 1998
MCQ (Single Correct Answer)
+1
-0.3
The circuit of Fig. is an example of feedback of the following type GATE ECE 1998 Analog Circuits - Bipolar Junction Transistor Question 64 English
A
current series
B
current shunt
C
voltage series
D
voltage shunt
4
GATE ECE 1998
MCQ (Single Correct Answer)
+1
-0.3
In a series regulated power supply circuit, the voltage gain Av of the ‘pass’ transistor satisfies the condition:
A
$$A_v\rightarrow\infty$$
B
$$1\;\ll\;A_v\;\ll\;\infty$$
C
$$A_v\;\approx\;1$$
D
$$A_v\;\ll\;1$$
GATE ECE Subjects
EXAM MAP
Joint Entrance Examination
JEE MainJEE AdvancedWB JEEBITSAT
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN