GPL - Gate Question |

X Close

You need to enable javascript to view this page properly.

Branch

All

Loading

211.

Generally, the gain of a transistor amplifier falls at high frequencies due to the
[1 mark]
(a) internal capacitances of the device
(b) coupling capacitor at the input
(c) skin effect
(d) coupling capacitor at the output

asked in Electronics and Communication Engineering, 2003

View Comments [0 Reply]
212.

If the differential voltage gain and the common mode voltage gain of a differential amplifier are 48 dB and 2 dB respectively, then its common mode rejection ratio is [1 mark]
(a) 23 dB
(b) 25 dB
(c) 46 dB
(d) 50 dB

asked in Electronics and Communication Engineering, 2003

View Comments [0 Reply]
213.

If the input to the ideal comparator shown in figure is a sinusoidal signal of 8V (peak to peak) without any DC component, then the output of the comparator has a duty cycle of

[1 mark]
(a) 1/2
(b) 1/3
(c) 1/6
(d) 1/12

asked in Electronics and Communication Engineering, 2003

View Comments [0 Reply]
214.

The circuit shown in figure is best described as a

[1 mark]
(a) bridge rectifier
(b) ring modulator
(c) frequency discriminatory
(d) voltage doubler

asked in Electronics and Communication Engineering, 2003

View Comments [0 Reply]
215.

Choose the correct match for input resistance of various amplifier configurations shown below.

Configuration Input resistance

CB: Common Base LO: Low

CC: Common Collector MO: Moderate

CE: Common Emitter HI: High

[1 mark]
(a) CB-LO, CC-MO, CE-HI
(b) CB-LO, CC-HI, CE-MO
(c) CB-MO, CC-HI, CE-LO
(d) CB-HI, CC-LO, CE-MO

asked in Electronics and Communication Engineering, 2003

View Comments [0 Reply]
216.

For an n-channel enhancement type MOSFET, if the source is connected at a higher potential than that of the bulk (i.e. V_SB > 0), the threshold voltage V_T of the MOSFET will [1 mark]
(a) remain unchanged
(b) decrease
(c) change polarity
(d) increase

asked in Electronics and Communication Engineering, 2003

View Comments [0 Reply]

806 1 ...‹‹34 3536 37 38 ›› ... 135

High Frequency Word List with Mnemonics

GPL Dictionary is fast way to learn words with mnemonics.
It contains high frequency word list which are mostly asked in various examinations.
It is dedicated for student appearing for PSUs, GRE, UPSC or any other exams in which vocabulary test is taken.
User can save their own mnemonics (key and link).

Check Now