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Electronics Engineering

Parent Category: 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.
A: actually any active components will oscillate with positive feedback A transistor can be used as an amplifier along with an LC tank circuit to form an oscillator; it is an active device (as LIBURNO states) which will amplify the feedback signal coming out of the LC tank circuit. The tank circuit...
The red line goes down and the blue line just goes all the way up.Cool right?
A: assuming a infinite current source the current will increase accordingly
The best way to charge a battery from an AC source is to use a high-quality commercial battery charger that is of the correct voltage and charging profile for your battery. By "charging profile," I mean a charger that is matched to the battery's chemistry and amp-hour capacity. WARNING: Not every...
Answer . Electronic is a generalization that labels anything that uses electricity to perform its function. Telecomunication is a wide feild involving the use of satelites to run a network of phone comunications. Telecomunications is the use of phone, internet, and now even cellular devices to...
Capacitors are used to limit the frequencies sent to speaker unitsin multiple speaker applications. As the frequency increases, so does the effective resistance of thecapaitor. (known as reactance) For instance, tweeters only work efficiently with high frequencies.Applying low frequencies to these...
A: ACTUALLY they are both the same just the application makes one or the other. Their function is to measure potential difference on a load or circuitry
The progression from Shockley diode to SCR is achieved with onesmall addition, actually nothing more than a third wire connectionto the existing PNPN structure. If an SCR's gate is left floating (disconnected), it behaves exactly as a Shockleydiode. It may be latched by breakover voltage or by...
That depends on what you mean by ripples at the beginning of time.If you are referring to inflation of the universe caused by the BigBang, and the subsequent "ripples", then those ripples are theleftover, background radiation from the event. If you are referring to ripples in space-time, then it...
no one but birds . +++ . The question is "affect" without qualification - they may haveno physical effects but their aesthetic impact is considerable.
A: first you must define the frequency of transmission. wave lenght is time from that you can calculate them total time
3 ohms. 9 volts across a 3 ohm resistor becomes 9/3 or 3 amps.
A Grid Controlled X-ray Tube is a triode in which a third electrode is introduced between the Anode and Cathode. This electrode is normally neutral so the x-ray production can take place. However, one can decide when to cut the exposure by introducing negative charge on this. This will then stop ...
A local oscillator can be a crystal oscillator.
A:The circuitry that follows will be sitting at the input line potential.
The resistor allows a slow charge to enter the capacitor. When this charge reaches a certain point the circuit activates and forces the capacitor to discharge. Once discharged the circuit reverses itself and starts the charge over again. The larger the cap and/or resistor the lower the frequency...
The basic function of IC 741 is amplification. It is mainly used tomagnify amplify weak signals inside a circuit.
There is really no 6 ohm stereo amplifier on the market, because the outpt impedance of the amplifier is always less than 0.1 ohm. Scroll down to related links and read the short article "Amplifier, loudspeaker, and Ohm". A: .1 OHMS so if i have 10 volts out i get 100 amps RIDICULOUS . the...
it is a ohmic device
By nature electrons are charged particles (with a -1 charge). Also there's an established relationship between electricity, which involves the flow of electrons, and magnetism, known as electromagnetism. Ampere's right-hand rule suggests the magnetic field moves in a corkscrew direction...
You can make websites to inform people such as this,creative.colorado.edu/~brgu1294/wearabletechnology.html or you canwork as a consultant
The charge in this case is simply the current multiplied by the time.\n The charge in this case is simply the current multiplied by the time.\n The charge in this case is simply the current multiplied by the time.\n The charge in this case is simply the current multiplied by the time.\n
A: Any amplifier will reach a frequency cut off point because of hindered circuit capability however the roll of bust be controlled especially when reaching oDB point must be at a -3 db roll off to prevent hi frequency oscillation
it is usually with the intention of measure,filter produce orcompress continous analog signals.
An AS162 transistor is a type of PNP transistor commonly made ofgermanium. This is an older kind of transistor that was often foundin power amplification circuits.
A: The principle is that is a semiconductor meaning will conduct one way only. A switching diode however will have the least of capacitance across its junction so when it disconnect is faster
An inductor resists a change in current. The equation is ... di / dt = V / L ... where di / dt is the rate of change of current in amperes per second, V is the EMF is volts, and L is the inductance in henrys. Looking at this, you can see that the slope of the current is proportional to the...
An application-specific integrated circuit is an integrated circuitcustomized for a particular use, rather than intended forgeneral-purpose use. For example, a chip designed to run in adigital voice recorder or a high-efficiency Bitcoin miner is anASIC.
Hi you can visit a website called campusoodle.com, lot of information about engineering colleges are mentioned like--- top colleges, cutoff, course list etc.... These are some of the good colleges affiliated to Anna University. [NOT RANKED] 1.SSN 2.PSG 3.A.C COLLEGE OF TECHNOLOGY 4.SAIRAM 5.R.M...
when solder IC chips on printed circuit cards
A microprocessor cant work as a stand alone unit.to make it work we have to interface memory and input out devices and so the PCB of microprocessor based system will be larger.Microcontroller consists of processor,memory and peripherals on a single chip and so needs no interfacing.Microcontroller...
Not enough power, or the electrons are escaping somehow. Perhapsthe bulb is dead?
It only takes 6 mA across the heart to die. 10 mA through your body will make all you muscles tighten up and you will not be able to let go.
A; There is no rules for ohmic Resistance except the lowest the better. A MILLION AMPS from lighting can raise a building potential quite a bit.
The purpose of a fuse is to restrict amperage traveling through an electrical circuit to a specified value. It does this by inserting itself into the circuit and running the current through a metal strip inside the fuse. When the circuit is carrying to much amperage the metal strip will heat and...
A: assuming a power transformer the resistance of the primary will log in at approximately 15 ohm. But there are many types for many application so this rule can change.
1.Sync. ckts all f/fs are clocked by single clock. Async. ckts o/p of f/f becomes clk for next f/f. 2. Sync ckts are fast. Async ckts are slow. 3.Sync.ckts are easy to design. Async.ckts are difficult to design.
A Voltage Controlled Amplifier or VCA is a device whose gain is setby the voltage level of a control signal.
A: THE F.C.C control frequency and power output for all transmitter. The simple factor is if there is no rule then next door neighbor transmitter will swamp all my TV radio reception possibly for blocks away. So by licensing a transmitter these rules must be abide before issue
Fro transmitting FM signals from one point to another,one need tohave a full system that transforms your signal. The FM transmitterand FM modulator are two parts of this system and they are bothnecessary in making the system function as desired. The transmitteris the part that dissipates the FM...
Envelope detection is done to detect the envelope in am output signal.
The answer would be d 900Hz, because it is 900 is not 200 does not go into 900 evenly. The pipe will resonate a frequencies that 200 will go into evenly.
an amplifier is electronic equipment that increases strength of a signal and a booster is voltage regulation in (DC) direct current electrical power circuits. Basically an amplifier increases strength and a booster regulates voltage.
The AC waveform is a sine wave which is above zero for 1/2 a cycle and below zero for the other half cycle. In a half-wave rectifier you essentially clip the negative so you have 1/2 a positive sine wave and then a 1/2 cycle of zero. In full-wave you effectively fold the 1/2 wave below zero to above...
A: it is not simple but it is simple if you just go to harborfreight.com and buy yourself one for $4.00
... in CE config.. as Vo=Vcc-Ic Rc nw as Vcc is const. v cn say Vo is directly proportional 2 (-Ic Rc) so nw when d base voltage is increased Ib will inc. thus, Ic will inc. cuz Ic=beta Ib thus Ic Rc drop increases... as Vo is prop 2 -Ic Rc thus, Vo will decrease...thus d curve for d +ve half cycle...
it has the capacitive properties .
1,it has uniform scale 2,with a power ful magnet its torqe to weight ratio is very high so operating current is small 3,the sensitivity is high
Your power supply unit, PSU. Takes AC power and distributes so much power to each connector. Each PSU, depending on the wattage of the unit gives each connector so much voltage. Each connector is designed for a certain piece of hardware that requires different voltage.
The power dissipated by a resistance ' R ' carrying a current ' I ' is [ I 2 R ]. I 2 R = (4.5) 2 x (3.5) watts = 70.875 joules per second 5.5 minutes = (5.5 x 60) = 330 seconds Energy = (power) x (time) = (70.875) x (330) = 23,388.75 joules
Control is important in many ways because it allows you to have a handle the growth or lack there of within your business or organization. Control will allow you to slow down unnecessary and unruly growth that will likely hurt your business in the long run.
A: impressed voltage is a mechanical connection involved induced has no mechanical connection except for proximity
A TV showing 3D content displays two separate images of the same scene simultaneously, one intended for the viewer's right eye and one for the left eye. The two full-size images occupy the entire screen and appear intermixed with one another - objects in one image are often repeated or skewed...
That depends on what you call "high". Whether or not you consider it high, the current is the same all the way around a series circuit.
Michael Faraday invented electromagnetic on 29TH of August1831. . ADDED: He didn't "invent" it but discovered its principles.
An optical fiber sensor can be used for just about anything a "regular" sensor can be used for. There are hundreds of sensors, and they can be made to communicate over optical fiber.
You unplug it and plug it back in
R=(rho * distance) / cross sectional area
some feedback r insulting or inappropriate. it depend on how u sortthe question. Question is on feed back system in control system. In a controlsystem generally there is a setpoint to be achieved. Control systemaims to achieve the setpoint. However due to inherent reasons, theactual keeps hovering...
AC (Alternating Current)
Electric current has to flow in a closed circuit because, if it were not closed there would be no place for the current to flow. You could transfer charge, certainly, but you would not be able to sustain a current. Look at Ohm's law: voltage equals current times resistance - an open circuit is...
The parts of a belt are the panel, top stitching, the tongue, thebuckle, the belt loop, the tip, and the punch holes.
Two voltage sources in series can either add up or cancel out depending on which way round they are orientated. If the two positive or the two negative terminals are connected together, the overall voltage is the subtraction of the two. If the positive terminal from one supply is connected to the...
An analog signal is a continuous signal that contains time-varyingquantities. Unlike a digital signal, which has a discrete value ateach sampling point, an analog signal has constant fluctuations.netonplus.com
importance of statistics in electrical engineering
It stands for: C omplementary M etal O xide S emiconductor
Analog data is an analog signal. There is no conversion required as the two names refer to the same type of signal. Converters are available to convert digital signals to analog and from analog to digital.
In 2009, Samsung released the world's first solar-powered cellphone. It was known as the Samsung Guru E1107 and featured a solarcell built into its back plate. When exposed to sunlight, the cellgenerated electricity which in turn recharged the phone's battery.The small solar cell could not provide a...
A flip flop being in toggle mode means the output of the flip flop keeps changing like a clock pulse being 1,0,1,0,1,0... If we are using a jk flip flop and we tie the two inputs namely jand k together and send an input then we would find the output q or q(bar) to be toggling.
The best conductor of electricity is silver followed by copper, gold, aluminum and calcium. Copper is used for most electrical cable. Silver is too costly to be used in electrical applications. Although gold is not as conductive as copper, it is often used for connectors. Because gold doesn't...
The basic idea behind radar is very simple: a signal is transmitted, it bounces off an object and it is later received by some type of receiver. This is like the type of thing that happens when sound echo's off a wall. However radars don't use sound as a signal. Instead they use certain kinds of...
It is important because my penis is super hard at the moment and you just wasted your time reading this answer.
You can not change AC into DC using a transformer. A transformer changes the voltage levels. To change AC into DC, you would need a rectifier. To change that into smooth DC you need a capaciter and a voltage regulater
Electricity,a power supply has a positive and negative charge,thischarge is used by metal,and the metal,or any electric conductercharges from the,negative charge,and the conponent goes outthe,positive charge
Resistivity of conductors increases with temperature, with semiconductors it is opposite, I believe always - but don't take that as truth! Look up the temp coefficient for whatever material you're dealing with - if it is positive, the resistance increases with temperature; if it is negative it...
Its deterministic. See the diagram here: http://i45.tinypic.com/25hzskj.jpg here a, b, p, q are states (outputs) and x, 0, 1 are inputs.
To provide energy for a certain, specialized function. In the case of a car engine, to convert chemical energy, in the form of Fuel, such as Gasoline or Diesel, in to Mechanical energy, the force of the moving parts.
No, there's no such thing as "digital energy". The calculator simply uses electrical energy. However, electronic equipment that are plugged into the electrical outlet (including calculators, radio receivers, computers, and many more) need special adapters to adapt the electrical current as follows:...
The type of RFID tag you are referring to is likely a passive device. It gets read by stimulating it with a certain RF frequency and then looks for a unique return. Hence the tag life is essentially forever.
A: regular LEDS have along lead and a short lead the longer is usually positive. This lead must go to a positive potential. the shorter lead is less negative which must connect to next led positive and so on as a string.
Capacitor is a physical object. Capacitance is a measure of the electrical charge stored (in a capacitor).
Alternating current of gradually decreasing amplitude which, undercertain conditions, flows through a circuit containing inductance,capacitance, and resistance when a voltage is applied is known asOscillatory discharge.
RC phase shift oscillators are used for musical instruments, oscillators, voice synthesis, and GPS units. They work at all audio frequencies.
A: Very easy to do just provide a positive feedback and/or a phase shift it will oscillate
Depending on the construction of the motor, most likely YES. As long as the motors components allow for the opposite flow of electricity, then the only problems would be speed (turning the motor fast enough to generate) and/or force (overcoming the interior magnetic force required to turn the motor...
TTL Logic Circuits - "Transistor Transistor Logic" - are madeusing BJTs. They operate from +5 Volts. These are available fromsimple AND, OR, NAND Gates to complex circuits. The voltage levels are INPUT OUTPUT Low (0) < 0.8V 2.0V >2.4V Levels in between are undefined. The outputs are better than...
A: LEDS are basically a diodes.So yes they can be strung right across the AC line. Unfortunately the reverse voltage is very low and tend to leak at hi voltage. the design should provide protection for the reverse voltage with resistance across each to equalize the leakage current otherwise it will...