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voltage regulator is a component to convert pulsating DC into constant DC.

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12y ago

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Transistor Series Voltage Regulator


Can be replace npn transistor series regulator with pnp?

no


What will be the output voltage if reference voltage is open circuited in a series voltage regulator?

unregulated voltage minus series regulator transistor drop.


What does the prefix designation of TTL series indicate?

Transistor Transistor Logic


If a television high voltage regulator opens what is the likely to be the symptom?

In most sets, the HV regulator actually regulates the B+ voltage to the horizontal output transistor and the flyback transformer. A bad regulator indicates high current or loss of horizontal drive. Check the flyback transformer, the HO transistor and also look for proper waveform and voltage from the horizontal driver transistor/chip.


How do run 380V motor in 440V supply voltage?

You can use a voltage regulator IC/transistor that can take any input voltage (to a point) and spit out whatever voltage you want, depending on your application (in this case 380 volts) then be sure you build a regulator with the correct IC/transistor. Hope this helps!


How does a series regulator maintain the output voltage at a constant level?

A series regulator maintains output voltage by adjusting its resistance to compensate for changes in input voltage or load current. It compares the output voltage to a reference voltage and regulates the voltage by adjusting the series pass device to ensure the output remains constant. This feedback loop continuously monitors and adjusts the output voltage, providing a stable output despite variations in input or load.


A 7812 transistor is pnp type?

The 7812 is not a transistor. It is an integrated circuit, a voltage regulator designed to regulate an input voltage down to 12 volts output. It typically comes in a TO-220 case, and has three leads, so it sure does look like a transistor though!


How can you reduce 48volts dc to 12 volts dc of 3amps using LM317?

A reduction of 36 volts (48 - 12) with 3 amperes of current rating in a series regulator represents 108 watts. That is quite a bit of heat. It would be better to use some kind of a switching regulator instead. Answering the specific question, however... The LM317 is only rated 1.5 amperes, so to get 3 amperes out of it you will need a power transistor that boosts the regulator's rating. You still can't avoid the power dissipation, however, so my original answer of using a switching regulator is apropos. As an alternative to the LM317, you can use the LM150 series, rated to 3 amperes, or the LM138 series, rated to 5 amperes.


DC blocking in a transistor is achieved by?

Including a series capacitor in the input and/or output circuit of the transistor. If the capacitor in the output circuit is omitted there will be a dc component in the output.


What is the working of a Darlington amplifier?

it is a combination of two transistors connected in series. the emitter of transistor t1 is connected to the base of transistor t2 . now the total circuit acts as a single transistor. this combination will gives high gain, as the gain is multiplied.


How can you designed transistor using diode because no available transistor?

You cannot build a transistor with two diodes. Even though the static junction characteristics of a transistor "looks like" two back to back series diodes, there is a relationship between the two junctions that cannot be matched by just connecting two diodes together.