Synchronous TDM Online Exam Quiz
Synchronous TDM GK Quiz. Question and Answers related to Synchronous TDM. MCQ (Multiple Choice Questions with answers about Synchronous TDM
An antenna's beamwidth is measured __
Options
A : from +90? to -90?
B : between half power points
C : between the minor side lobes
D : between the major side lobes
How can we successfully avoid Miller effect?
Options
A : using a common-base amplifier
B : using a common-emitter amplifier
C : by increasing the Q factor
D : by decreasing the Q factor
Miller effect can cause an amplifier to oscillate.
Options
A : TRUE
B : FALSE
C : -
D : -
One of the reason of distortion is shift in phase relationships between baseband frequencies.
Options
A : TRUE
B : FALSE
C : -
D : -
The end-to-end length of a half wave dipole antenna is actually __
Options
A : slightly shorter than a half wavelength
B : slightly longer than a half wavelength
C : half lambda wavelength
D : lambda wavelength
The radiation of energy from an antenna can be seen in the __
Options
A : standing wave around antenna
B : radiation resistance of the antenna
C : reflected resistance of the antenna
D : I2R loss of the antenna
What is the front to back ratio of a half wave dipole antenna?
Options
A : 0 dB
B : 10 dB
C : 100 dB
D : 50 dB
What is the two basic specifications of a receiver?
Options
A : sensitivity and selectivity
B : superious response and tracking
C : signal and noise
D : number of convertors and number of IFs
When two or more signals share a common channel, it is called __
Options
A : sub-channeling
B : channeling
C : switching
D : multiplexing
Who invented the superheterodyne receivers?
Options
A : Hertz
B : Armstrong
C : Foster
D : Seeley