This question was previously asked in

UGC NET Paper 2 (Electronic Science) December 2019 Official Paper

- -114 dBm + 20 log (BW/1MHz) + NF
- -114 dBm + 10 log (BW/1MHz) + NF
- -14 dBm + 10 log (BW/1GHz) + NF
- -14 dBm + 20 log (BW/1GHz) + NF

Option 1 : -114 dBm + 20 log (BW/1MHz) + NF

Free

Official Paper 1: Held on 24 Sep 2020 Shift 1

12478

50 Questions
100 Marks
60 Mins

The noise level of the spectrum analyzer can be related to Noise Figure (NF) and IF Bandwidth by:

-114 dBm + 20 log (BW/1MHz) + NF

NF (Noise Figure) is given by:

\(NF=\frac{(SNR)_{in}}{(SNR)_{op}}\)

The Noise Figure is usually expressed in dB as:

\(NF=10~log\frac{(SNR)_{in}}{(SNR)_{op}}~dB\)

India’s **#1 Learning** Platform

Start Complete Exam Preparation

Daily Live MasterClasses

Practice Question Bank

Mock Tests & Quizzes

Trusted by 2,16,35,133+ Students

Testbook Edu Solutions Pvt. Ltd.

1st & 2nd Floor, Zion Building,

Plot No. 273, Sector 10, Kharghar,

Navi Mumbai - 410210

[email protected]
Plot No. 273, Sector 10, Kharghar,

Navi Mumbai - 410210

Toll Free:1800 833 0800

Office Hours: 10 AM to 7 PM (all 7 days)