1
GATE ECE 2017 Set 1
MCQ (Single Correct Answer)
+1
-0.3
Which one of the following statements about differential pulse code modulation (DPCM) is true?
2
GATE ECE 2016 Set 2
Numerical
+1
-0
A speech signal is sampled at 8 kHz and encoded into PCM format using 8 bits/sample. The PCM data is transmitted through a baseband channel via 4-level PAM. The minimum bandwidth (in kHz) required for transmission is _________.
Your input ____
3
GATE ECE 2016 Set 1
Numerical
+1
-0
Consider binary data transmission at a rate of 56 kbps using baseband binary pulse amplitude modulation (PAM) that is designed to have a raised-cosine spectrum. The transmission bandwidth (in kHz) required for a roll-off factor of 0.25 is ______.
Your input ____
4
GATE ECE 2015 Set 3
MCQ (Single Correct Answer)
+1
-0.3
The modulation scheme commonly used for transmission from GSM mobile terminals is
Questions Asked from Marks 1
GATE ECE Subjects
Signals and Systems
Network Theory
Control Systems
Digital Circuits
General Aptitude
Electronic Devices and VLSI
Analog Circuits
Engineering Mathematics
Microprocessors
Communications
Electromagnetics