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Electronics Engineering

Electronics Engineering is a branch of engineering that deals with practical applications of electronic components, devices, systems, or equipment. Electronics are devices that operate on low voltage sources, as in electron tubes, transistors, integrated circuits, and printed circuit boards and use electricity as part of its driving force.

24,372 Questions

What are the applications of IECT i.e. Information Electronics Communication Technology?

It is a branch of DOEACC society.... dealing with training of govt. sponsors program in computer fundamentals, operation system, MS Office, Internet, Troubleshooting and Maintenance of PC etc.

What frequency band does Bluetooth operate?

Bluetooth operates at 2.4 to 2.485 GHz... depending on the version used. If you're thinking of trying to intercept bluetooth signals... you'll have a hard time doing it ! Bluetooth uses 256 bit encryption, and digital signature technology to 'pair' itself between devices. Additionally - the maximum current range is just 800 feet.

What is the function of horizontal IC of television?

The horizontal IC, controls the frequency and timing of the horizontal lines of a Cathode Ray Tube TV. It makes a sawtooth waveform, which is applied to the horizontal deflection coils at the neck of the tube. So that the line starts at the right time, sync pulses keep everything in step, so that the picture is centralized. Digital TV's that use flat panel LCD/plasma/oled, do not need to do this, as the pixels are addressed digitally and directly.

Can you convert my gsm into CDMA phone or viceversa by changing some device in it?

Nice question. The answer is of course yes. After all, it is two similar electronic devices. But whether it is practical..., very unlikely.

You should be able to reuse the case, the display, the keyboard, much of the smartphone functionality like MP3 players, video cameras etc. You would not be able to reuse the antenna definitely. Since most manufacturers tend to manufacture multifunctional chips, you are likely to end up having to replace the chip and motherboard as well.

May be it can be attempted as a costly hobby but wouldn't be wise if you plan to save some money by converting your old cdma phone to a gsm one.

reply in case of any other quation .......

What is a keycode?

a key code is a number that your school gives you when you can join a website that is on the computer that could only be used by students

What type of electromagnetic wave is used for radar?

It is microwaves that are used for radar. They are high frequency, short wavelength electromagnetic waves, and a number of different frequency ranges of these microwaves are used depending on the application. A link is provided to the Wikipedia article on radar and the different bands or ranges of frequencies that are used and their applications.

Power factor correction capacitors?

Yes, they exist. Capacitors are often used to change a low power factor (such as 0.5) to a higher power factor near unity (1). In some instances, this will lower fees and costs to utilities. In homes, this is not really necessary as most devices used in homes are near unity power factor, or tend to be minor/sporadic loads (such as a washing machine).

How do you make a compass with a Phillips kmz52 chip and avr atmega32 microcontroller?

read the document : AN00022_COMPASS.pdf

can be found at :

www.nxp.com/acrobat_download/applicationnotes/AN00022_COMPASS.pdf

exlapain the main idea

good luck

What is a line frequency power diode?

line Frequency diode have very low forward bias drops but their recovery characteristic(time) is very long. Their softness factor is low.

What is the amount of axial stress on a member which is subjected to a sudden load when compared to load applied gradually?

The maximum stress induced in a body due to suddenly applied load is twice the stress induced when the same load is applied gradually

What is the advantage of a helical wire satellite antenna?

Circular polarization characteristics of a helical antenna help offset the effects of spin modulation from satellites in motion, that is, the tendency for satellites to spin causing the position of their antennae to change rapidly in accordance with the spin, causing a fluctuation in the signal as received by a fixed signal on earth. Circular polarization of the earth fixed antenna reduces the fluctuating effects of the satellite's spin on the recived signal.

What precautions should be observed when soldering a printed circuit board?

Mainly solder in as short a time as possible to avoid burning the traces causing them to lift. This means using a good quality temperature regulated iron that does not cool off when applied to the joint to be soldered and is not too hot either.

What are the difference between SL100 transistor and BC107 transistor?

i dont know exactly but i like to share what i know....

transistors are named as BC,BD,AF,SL,AC,BL..etc

they are different from each other based on the amplification factor,maximum voltage can be applied,breakdown voltages,gain..........

i would make this answer better with reference......

How exclusive or gate is converted in not gate?

one terminal of the ex-or gate should be connected to a high input(1 or 5V). the other terminal is used as the input terminal,since not gate has only one input.when we give a high to this input, now the inputs of exor gate are 1 & 1.so output is 0.when we give a low to the input , then the inputs of ex-or gate are 0 and 1, output is 1. Hence it works as a controlled inverter.

How do carbon resistors differ from wirewound resistor?

the power is more evenly distributed in a carbon rod than a wire

hi resistance wire wound can have 100s of feet of very fine wire

very prone to heat failure

solid carbon distributes the heat over the entire volume of the carbon

carbon resistors are far better with higher voltages and resistances