Illustrate the basic working of modem, Electrical Engineering

Assignment Help:

Q. Illustrate the basic working of Modem?

Modem: Modems are generally provided by network operators or by vendors who aren't necessarily the manufacturers of computer systems. Henceforth there is a need to standardize interface between modem and computer equipment. CCITT terminology for modem is data circuit terminating equipment (DCE) and for the computer it's data terminal equipment (DTE). DCE isgenerally referred to as data communication equipment, outside CCITT. It issignificant to recognize that DTE and DCE are generic terms and may be applied to a range of equipments not essentially only to computers or modems . For instance, a DTE can be a terminal, workstation or a computer and a DCE may be a modem or a computer based node in a data network. A series of standards, called V-series has been stated by CCITT for interfacing DTEs to DCEs operating with PSTNs. Series also defines a variety of DCEs using different modulation techniques and operating at different speeds using either a leased PSTN or dial-up line illustration of DTE-DCE interface standards and other standards related to data transmission on PSTN are:V.5 Standardization of data signalling rates for synchronous data transmission in the PSTN

V.24 DTE-DCE interface and control signals

V.28 DTE-DCE electrical characteristics for unbalanced double-current interchange circuits.

V.53 Limits for the maintenance of telephone type circuits used for data transmission.


Related Discussions:- Illustrate the basic working of modem

Find the new gain for the inverting-amplifier circuit, Q. An op amp has a f...

Q. An op amp has a finite gain of only 50, but is otherwise ideal. For the inverting-amplifier circuit of Figure, if R 2 = 20 k, what value of R 1 would be needed to give a gain

Solving electrical circuits, i need help solving an electrical circuit, usi...

i need help solving an electrical circuit, using kirchoffs laws, it a diamond shape with one voltage source

Variations of drain current - drain voltage, Q. Consider the common-source ...

Q. Consider the common-source JFET circuit shown in Figure with ?xed bias. Sketch the sinusoidal variations of drain current, drain voltage, and gate voltage superimposed on the di

Construction and operation of jet, Construction and operation of jet: ...

Construction and operation of jet: jet is a three terminal device one terminal capable of controlling the current between the other two. Basic construction of an n chann

Growth in communications, The growth in communications over the past 60 yea...

The growth in communications over the past 60 years has been phenomenal. The invention of the transistor in 1947 and the integrated circuit and laser in 1958 have paved the way to

Current relations in common emitter configuration, Q. What are the Current ...

Q. What are the Current relations in common emitter configuration? In a CB configuration Ie is the input current and Ic is the output current. These currents are relayed throug

Define capacitor construction, Define Capacitor Construction In its mo...

Define Capacitor Construction In its most elementary state a capacitor having of two metal plates separated by a certain distance d, in among the plates lies a dielectric mate

Differentiate between heat transfer and thermodynamics, Briefly Explain ...

Briefly Explain i. Importance of thermal diffusivity. ii. Describe the laws governing Heat Transfer. iii. Differentiate between Heat Transfer and Thermodynamics iv. Des

Determine the kva rating of the synchronous motor, An induction motor takes...

An induction motor takes 350 kW at 0.8 power factor lagging while driving a load. When an overexcited synchronous motor taking 150 kW is connected in parallel with the induction mo

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd