What is dtmf dialling, Electrical Engineering

Assignment Help:

Q. What is DTMF dialling?

DTMF dialling

1.  Uses push buttons

2.  Uses 8 different frequencies in pairs.

3.  16 different characters can be represented.

4.  The frequencies used prevent generating of harmonics.

5.  Each number is represented by a high signal & low signal=

636_What is DTMF dialling.png


Related Discussions:- What is dtmf dialling

Write a report on various types of diodes, a. write a report (at least  2 p...

a. write a report (at least  2 pages ) on various types of diodes( Show and explain  the theory, symbol, circuit, characteristics, data sheets and applications circuits using the d

Determine the value of maximum power, Determine the value of maximum power:...

Determine the value of maximum power: Determine the value of load resistance, R L for which the source shall transfer the maximum power. Also determine the value of maximum p

What is meant by daisy chaining method, What is meant by Daisy Chaining met...

What is meant by Daisy Chaining method?  It does not need any priority resolving network, rather the priorities of all the devices are effectively assumed to be in sequence.

Show demagnetizing effect of armature reaction, Q. A20-hp, 250-Vshuntmotor ...

Q. A20-hp, 250-Vshuntmotor has a total armature - circuit resistance of 0.25  and a field-circuit resistance of 200.At no load and rated voltage, the speed is 1200 r/min, and the

Complex waveforms and transients in rlc circuits, can you let me know how m...

can you let me know how much it would be for the answer to a question that has 2 parts

Find the maximum radiation intensity, Q. An antenna has beam widths of 3° a...

Q. An antenna has beam widths of 3° and 10° in orthogonal planes and has a radiation ef?ciency factor of 0.6. Find the maximum radiation inten- sity if 1 kW is applied to the anten

OC AND SC TEST OF AN ALTERNATOR, WRITE THE PROCEDURE CONDUCT OC AND SC TEST...

WRITE THE PROCEDURE CONDUCT OC AND SC TEST OF AN ALTERNATOR TO FIND SYNCHRONOUS IMPEDENCE

Explain block diagram of the system, Q. Explain Block diagram of the system...

Q. Explain Block diagram of the system? The block diagram is a pictorial representation of the equations of the system. Each block represents a mathematical operation, and the

Explain hexadecimal number system, Q. Explain Hexadecimal Number System? ...

Q. Explain Hexadecimal Number System? A Hexadecimal Number System: uses base 16 includes only the digits 0 through 9 and the letters A, B, C, D, E, and F In the Hexade

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