1
GATE ECE 1998
MCQ (Single Correct Answer)
+1
-0.3
The image channel selectivity of super heterodyne receiver depends upon
A
IF amplifiers only
B
RF and IF amplifiers only
C
Preselector, RF and IF amplifiers
D
Pre selector, and RF amplifiers only
2
GATE ECE 1994
MCQ (Single Correct Answer)
+1
-0.3
$$v\left(t\right)\;=5\left[\cos\left(10^6\mathrm{πt}\right)\;-\;\sin\left(10^3\mathrm{πt}\right)\times\sin\left(10^6\mathrm{πt}\right)\right]$$ represents
A
DSB suppressed carrier signal
B
AM signal
C
SSB upper sideband signal
D
Narrow band FM signal
GATE ECE Subjects
EXAM MAP
Medical
NEETAIIMS
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
Defence
NDA
Staff Selection Commission
SSC CGL Tier I
CBSE
Class 12