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Why are npn transistors used more often than pnp transistors?
The primary reason that NPN transistors are used more often than PNP transistors is that they usually operate faster (at higher frequencies) because the mobility of the current carriers in NPN transistors (electrons) is much higher than that of the current carriers in PNP transistors (holes).
Is the pnp transistor in common collector can be replaced with npn transistor?
No. The PNP and NPN transistors are exactly opposite each other in polarity. You cannot just replace one for the other without redesigning the circuit.
Why do transistors sometimes need heatsinks?
These types of transistors are power transistors and generate heat. The heat sink is used to dissipate the heat. If the transistor gets too hot it will fail.
Where can I find output transistors to repair and amplifier?
You need to know the specifications for the transistors and search for them on the internet.
Can you see transistors?
Basically, in transistor, the signal is transferred from low resistance circuit to the high resistance circuit. So it is called transfer+resistor=Transistor.Transistors are widely used in different types of switching, amplifiers, oscillators and integrated circuits.Based on the applications, the types of the transistors are as given below:General purpose transistors, Low frequency transistors, High frequency transistors, Power transistors, Switching transistors, Field Effect Transistors, MOSFET, Uni-junction Transistors, Bi junction transistors, Photo transistor, High power transistors, Complementary pair, Darlington amplifier, Video and R.F. amplifier, Ultrahigh frequency and microwave, Insulated gate bipolar transistors, Static induction transistors.More their to know about transistors are as given below:History of invention, Time-line throughout, Basic construction, Bias arrangement, working, Various currents in transistors, Basic transistor amplifier, Configurations, Characteristics, Current gain and relation among them, D.C. load line, Operating point, Biasing of transistor, stability factor, specifications and ratings, testing, colour coding, identification of transistor using multimeter, h-parameter of transistor, particular applications etc...
What replaced vacuum tubes in the computer?
Integrated circuits (in many microprocessor integrated circuits) containing many billions of transistors each.
Transistors replaced to amplify electric signals?
vacuum tubes
What component replaced valves in the second generation computer?
discrete transistors
What technology replaced vacuum tubes in the second generation?
Vacuum tubes were first replaced by transistors, and later by integrated circuits.
Vaccum tubes were replaced by what?
Vacuum tubes were largely replaced by transistors. Transistors are smaller, more reliable, and generate less heat compared to vacuum tubes. This transition led to the development of smaller and more efficient electronic devices.
The transistor that replaced the vacuum tube in the computer was is turn replaced by the?
By the logic gate. Which is just a series of transistors within one package. This was replaced by the processor which is just a group of logic gates. Effectively all microchips and processors are made up of thousands or even millions of transistors... as well as resistors and capacitors.
What is the name of a silicon chip developed in the 1960's that contains large numbers of tiny transistors?
ll
Which invention replaced vacuum tubes in computers?
Transistors were first developed in 1947 by Bell Telephone laboratories. They replaced vacuum tubes, which were big, bulky, costly, and unreliable. Transistors are most often used to regulate the flow of an electrical current and to switch electricity on and off.
What do you do with a blown speaker?
depends what part is blown. most likely the ouput transistors. in that case, just get them replaced. if it keeps happening, get them replaced with heavier duty transistors.
What electrical break-through replaced the vacu tubs as an on off switch making the computers smaller and inexpensive?
Transistors
What is transistorized?
A device such as a radio can be said to be transistorized when earlier designs are replaced by designs in which transistors replace vacuum tubes.
How do you repair electronic compenants?
In general individual components (e.g. resistors, transistors, capacitors) cannot be repaired, they are replaced.
