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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 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 is hmi?

HMI technology is used by almost all industrial organizations, as well as a wide range of other companies, to interact with their machines and optimize their industrial processes.

Industries using HMI include:

  • Energy
  • Food and beverage
  • Manufacturing
  • Oil and gas
  • Power
  • Recycling
  • Transportation
  • Water and waste water
  • And many more

Why do you need to encode a signal?

Encoding converts data in one format to another format. This is important in computer technolgoy, communications engineering, control engineering and signal processing.

Encoding is typically done to utilise one or more of the following advantages:

  1. Compression of data for more efficient data transfers or storage.
  2. Improve the quality of a transmission signal - digital encoding is often used to recude the effect of noise and signal attenuation.
  3. Remove unneeded information relative to the application (digital TV signals consider the quality of human vision and encode the signal accordingly - animals who can see at higher rates than us, such as birds, would be very unimpressed with what they see on the TV!)
  4. Convert data into a format to communicate with attached peripherals.
  5. Encrypt data for security reasons.

There are certain to be other uses, since the methods of encoding are so varied, but this should give you an idea of why it is an important process.

What is the purpose of an electrical generator?

An electrical generator is a mechanical device that functions to convert mechanical energy to electricity basically by electromagnetic induction to be used in production, manufacturing, oil and gas industry and etc.

In what ways do electrons act like particles?

A: If a nucleus is a point like a flag pole then the electrons are orbiting this nucleus at a very big distance like football filed distance and they have a charge too

97 Camry - Radio powers up but no sound also it will not lock into frequencies in scan mode what do you suggest?

I recently changed the battery on my 97 Camry. Afterwards the radio had no sound and the display was normal (like it always was), I checked the fuses, and even removed the radio from the dash, as I wanted it to go into the security mode, but it was fine except that I could not get any sound. A few days later during my lunch break at work I was sitting in my car just fooling around with the radio and with the key in the accessory position, I pressed the on off switch in and held it in for about 10 seconds and the radio came on and works perfectly.

Are junction capacitance and transition capacitance the same?

Junction capacitance is used to take the ripple out of DC circuits primarily.

The other is used in voltage doublers or step ups as a storage.

Are flip flops considered shoes?

It kind of depends on who you ask. But personally, I consider them shoes.

What weight resistance does the total gym 3000 offer?

The total gym 3000 offers a variety of weight resistance training. It has a 300lb weight capacity, very comfortable system, pulley and cable systems and other upgraded features. It also has a range of 60 different excercises.

When FET is invented and who invented it?

Field Effect Transistor (FET) was invented in 1926 by Julius E. Lilienfeld.

Who is the father fiber optics?

It wasn't a one man effort, inventing fiber optics. Works were inspired by John Tyndall who first discovered light can travel an irregular path through glass. Alexander Graham Bell later contributed. Heinrich Lamm in 1930 put the first fiber optic cable together stranding cable together and sending a signal across the wire. There were many other people who helped improve it over the year.

Al Gore is not the father of Fiber Optic cables, in case you were wondering.

How output voltage is out of phase in CE?

It should be ~180 degrees out of phase, because a CE amplifier is an inverter.

A BJT CE amplifier is a good example to look at. The output is across CE, and at a minimum total output voltage is split across CE and some resistor R. As a higher voltage is applied to the base, the current flow through CE increases as a result of the resistance of CE decreasing.

This boils down to a simple voltage divider at the output, Vout = CE / (R + CE). As CE decreases as a result of the input increasing, Vout will decrease.

How do analog multimedia systems operate?

Analog multimedia systems use books, documents, films, photographs, records, tapes, videotapes, and many other forms of media to store text, sounds, and pictures

What do International Rectifier produce?

The company International Rectifier produces a variety of products. They manufacture products for automotive, electrical, and energy purposes. The company's website showcases the variety of products and services they offer.

What are the applications of Speech Synthesis in real life?

For mute people: Telephone communication possible by typing what they want to say into computer and having Computers speak to party on the other line. Speech synthesis is the artificial production of human speech. In addition to the above-mentioned usage, one of the main purposes of speech synthesis is to help people with visual impairments or reading disabilities to listen to written works on a their computer.

A 220volts series motor takes 15amperes and runs at 700rpm the armature resistance of the series winding is 0.8 ohms at what speed will it run if resistance is connected in series with supply voltage?

It will run slower because the resistance in series with the motor will take some of the voltage and thereby reduce the current to the armature windings (less magnetic field).