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Cellular telecommunication sector - Software Defined Radio
As of now, every cell phone transmits and receives information through a speci?c standard. If we have to change the service provider then we need to change the cell phone also. A Software De?ned Radio (SDR) reprograms the cell phones to operate on different radio standards by simply uploading different software running on a common hardware platform. It can switch from one radio standard to another radio standard. For ex- the software can be upgraded easily for switch over from 2G to 3G or 4G, CDMA to GSM.
The dielectric constant of air is practically taken as (A) more than unity. (B) Unity. (C) less than unity. (D) Zero.
Q. For the circuits shown in Figure, sketch the frequency response (magnitude and phase) of ¯V out / ¯V in .
Q. Describe about digital communication systems fl A digital signal can be deflned as having any one of a finite number of discrete amplitudes at any given time. The signal coul
a. Describe what you understand by 'offset voltage' and 'offset current' of op-amp. Discuss with a neat circuit diagram the method used for minimizing offset voltage and offset cu
Q. A 100-kW, 230-V, dc shunt generator, with R a = 0.05 , and R f = 57.5 has no-load rotational loss (friction, windage, and core loss) of 1.8 kW. Compute: (a) The generato
what is the difference between the continuous time system and discrete time system and their advnatages?
2's Complement Multiplication Two's complement multiplication follows the similar rules as binary multiplication. For illustration, (-4) × 4 = (-16) 1111
block diagram of digital control system and explain each block
Q. Open-loop control system? An open-loop system is one in which the control action is independent of the output or desired result, whereas a closed-loop (feedback) system is o
Q. Show NPN Common Base Amplifier? This configuration is used for high frequency applications because the base separates the input and output, minimizing oscillations at h
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