Toggle navigation
Home
KPSC Previous Question Papers
Article Category
kerala psc
upsc
General
Popular Pages
Multiple Choice Question in aptitude-area
Multiple Choice Question in non-verbal-reasoning-grouping-of-images
Multiple Choice Question in aptitude-compound-interest
Multiple Choice Question in engineering-mechanics-kinetics-of-a-particle-impulse-and-momentum
Multiple Choice Question in 035/2016
Multiple Choice Question in electronic-devices-bipolar-junction-transistors
Question Answer in
Multiple Choice Question in database-database-redesign
Question Answer in malayalam-kerala-psc-questions
Multiple Choice Question in malayalam-kerala-psc-questions
Multiple Choice Question in current-affairs-2017-03-05
Question Answer Bank
Multiple Choice Question Bank
Question Answer Category
Multiple Choice Question Category
Home
->
Multiple Choice Questions
Question Set
electronics and communication engineering communication systems
1. AM amplifier having noise figure of 20 dB and available power gain of 15 dB is followed by a mixer circuit having noise figure of 9 dB. The overall noise figure as referred to input in dB is
(A): 0.63
(B): 10.44
(C): 11.07
(D): 21.52
Previous Question
Show Answer
Next Question
Add Tags
Report Error
Show Marks
Ask Your Doubts Here
Type in
(Press Ctrl+g to toggle between English and the chosen language)
Post reply
Comments
By: guest on 01 Jun 2017 11.49 pm
.
Show Similar Question And Answers
QA->________ is an input device commonly available in laptops.....
QA->At the time of short-circuit; what will be the current in the circuit?....
QA->At the time of short-circuit, what will be the current in the circuit?....
QA->The study of metals and the overall process by which metals are extracted from its ores are called?....
QA->The basic objective of the _______ is to improve the quality of life of people and overall habitat in the rural areas.....
MCQ->AM amplifier having noise figure of 20 dB and available power gain of 15 dB is followed by a mixer circuit having noise figure of 9 dB. The overall noise figure as referred to input in dB is....
MCQ->The signal input to a given amplifier is made up of 100 mΩ signal power and 1 mΩ noise power. The amplifier contributes an additional 100 mΩ of noise and has a power gain of 20 dB. The input signal-to noise ratio is....
MCQ->The signal input to a given amplifier is made up of 100 mΩ signal power and 1 mΩ noise power. The amplifier contributes an additional 100 mΩ of noise and has a power gain of 20 dB. The noise factor is....
MCQ->The signal input to a given amplifier is made up of 100 mΩ signal power and 1 mΩ noise power. The amplifier contributes an additional 100 mΩ of noise and has a power gain of 20 dB. The output signal-to-noise ratio is....
MCQ->If γ = (S0/N0)/(Si/Nm) where S0 and S1 are signal power output and signal power input and N0 and Nm are noise power output and noise power input, the value of γ for SSB-SC and DSB-SC amplitude modulated system respectively are....
×
×
Type The Issue
×
Your Marks
Terms And Service:We do not guarantee the accuracy of available data ..We Provide Information On Public Data.. Please consult an expert before using this data for commercial or personal use | Powered By:Omega Web Solutions
© 2002-2017 Omega Education PVT LTD...
Privacy
|
Terms And Conditions
Question ANSWER With Solution