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What is very large scale integration?
Very large scale integration means including large number of electronic components like diodes, resistors, transistors, op-amps on a single semiconductor chip
Can two diodes connected back-to-back produce a transistor?
No, two diodes cannot function as a transistor.The emitter and collector of a transistor have different and very specific doping profiles to optimize them for their functions, diodes don't.The base is a very very thin layer that both allows current carriers injected by the emitter to pass thru the base and be collected by the collector, and allows the transistor to operate at high frequencies (early junction transistors, a type called grown junction, had thick bases and could not function above audio frequencies), the diodes are physically separated with a long metal wire connecting them.
What type of transistors can be used in an ECM to switch diesel engine electronic unit injectors?
ECMs use large scale integrated circuits that are usually embedded in epoxy. They do not contain discrete transistors and are generally not designed to be serviced.
Why is the such a large demand for electricity in japan?
Because the little she-its love their electronics.
Which is better as a switch diode or transistor?
Basically a diode is a combinstion of pN junction but the transistor is made with three terminals EMITTER,, BASE ,, JUNCTION.. and diode is just a combination of positive and negative terminal . diode and transistors are both used as a switch .. but a transistor is more widly udes than a diode. and diode has also very important in electronics DIGITAL SYSTEM to make the screen's ..and transistors are used in amplifiers the group of transistors make an amplifier . and we use a diode in seven segment display ....diode is small and carry less current due to its small size but transistor get large current. A2 A diode has two connections. It allows current to flow in one direction and not in the other. They are used for rectification in power supplies, detection of AM radio, blocking of current etc. A Transistor has three connections. Current is controlled between the emitter and collector, by a small current on the base. They are used as switches, amplifiers and regulators.
What is very large scale integration?
Very large scale integration means including large number of electronic components like diodes, resistors, transistors, op-amps on a single semiconductor chip
What appliances and electronics are now possibly compromised after a large power surge?
Anything containing solid state electronics (e.g. integrated circuits, transistors). Practically everything today.
Can you use diode in place of a transistor?
no,we cant use transistor by combination of two diodes because we will come across a condition called current hogging.it means large amount of current flows through the device,diode can just rectify the signal but not amplifies it. Transistors however, can be used as diodes.
What is large scale integration?
Very large scale integration means including large number of electronic components like diodes, resistors, transistors, op-amps on a single semiconductor chip
Can PNP transistors be used in place of TIP31 transistors?
No...TIP31 is NPN. The complementary PNP is a TIP32. They are both large high power (40W) devices.
What are the kind of large plates of earth that keep moving?
tectonic plates?
Are transistors bigger or smaller than valves?
Yes they are. The invention of the transistor signalled the end of large, bulky valves in circuits. Modern transistors are so small - that thousands can be housed on one microchip.
What is the name of a silicon chip developed in the 1960's that contains large numbers of tiny transistors?
ll
What is the difference between es and vlsi?
VLSI stands for Very Large Scale Integration. LSI stands for Large Scale Integration. In LSI for example a chip has 1000 transistors in 1 sq cm , then in VLSI it will have more than 1 million transistors in the same space.
What is meant by VLSI?
Very Large Scale Intregration. It basically means packing a very large number of transistors onto an integrated circuit wafer.
Advantages of transistors over triode?
Transistors are sometimes referred to as semiconductor triodes.OK, but to answer the question:Vacuum-tube triodes need some hundreds of milliwatts to watts just to light the filament/heater. This is wasted power that can appear as waste heat in the circuit, and reduces the electrical efficiency of the vacuum-tube triode. Triodes also have limited lifetimes, commonly due to the filament/heater burning out, or losing its electron emission. Transistors have no such limitations and are (i) much more efficient, (ii) can run at much lower power, and (iii) have very long lifetimes.Vaccuum-tube triodes cannot be made much smaller than around 10 mm/half an inch in diameter, and maybe the same length. Transistors can be made at the nanometre scale, so transistor electronics are much more compact. Imagine putting together a USB memory chip with (at least) 32,000,000,000 triodes!Conventional triodes are able to operate to about 5 GHz (5000 MHz). Some special valves can work at higher frequencies, about around 100 GHz is the limit. Such valves are large, expensive, and have high noise figures. Low-noise, small, cheap transistors exist that can easily work past 100 HGz.
What were used before transistors?
If the integrated circuit in some kind of device has 5,000 transistors on it, then before integrated circuits were available, the same function might have been performed by 100 individual transistors. And before transistors were available, the same function might have been performed by 30 vacuum tubes, a fan and air system to keep them cool, and a large power system to operate the tubes and the cooler.
