GATE ECE 2013 | GATE ECE Year Wise Previous Years Questions

GATE ECE 2013

MCQ (Single Correct Answer)

-0.3

In the circuit shown below, what is the output voltage (v_out ) if a silicon transistor Q and an ideal op-amp are used? GATE ECE 2013 Analog Circuits - Operational Amplifier Question 67 English

GATE ECE 2013 Analog Circuits - Operational Amplifier Question 67 English

-15 V

-0.7 V

+0.7 V

+15 V

GATE ECE 2013

MCQ (Single Correct Answer)

-0.6

In the circuit shown below the op-amps are ideal. Then V_out in Volts is GATE ECE 2013 Analog Circuits - Operational Amplifier Question 28 English

GATE ECE 2013

MCQ (Single Correct Answer)

-0.3

The bit rate of a digital communication system is R kbits/s. The modulation used is 32-QAM. The minimum bandwidth required for ISI free transmission is

R/10 Hz

R/10 kHz

R/5 Hz

R/5 kHz

GATE ECE 2013

MCQ (Single Correct Answer)

-0.6

Bits 1 and 0 are transmitted with equal probability. At the receiver, the pdf of the respective received signals for both bits are as shown below. GATE ECE 2013 Communications - Random Signals and Noise Question 38 English

GATE ECE 2013 Communications - Random Signals and Noise Question 38 English

If the detection threshold is 1, the BER will be

$${1 \over 2}$$

$${1 \over 4}$$

$${1 \over 8}$$

$${1 \over 16}$$

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