answersLogoWhite

0

AllQ&AStudy Guides
Best answer

A Class D amplifier is a switching or pulse-width modulation amplifier. Class D amplifiers can have either digital or analog inputs and are used for home theater system and mobile phones.

This answer is:
Related answers

A Class D amplifier is a switching or pulse-width modulation amplifier. Class D amplifiers can have either digital or analog inputs and are used for home theater system and mobile phones.

View page

Jay Ellery Turner has written:

'Class E switching model RF power amplifier'

View page

Lots of kinds of diodes are used in amplifiers.

In the power supply section, diodes may be used in groups of two or four, as rectifiers to convert AC (from the mains supply, via a transformer) into DC for the amplifier. These diodes are usually rated at several hundred volts, and several amps. They are classified as rectifier diodes. A typical example is 1N5404.

In the amplifier circuitry, diodes may be used to provide a known (approximately) voltage drop where required by the design of the circuit. They can also be used for temperature feedback, although for direct temperature compensation a transistor is more common. These diodes are generally small-signal types like 1N4148.

In logic switching, diodes are often used for simple OR-type functions. Look on Wikipedia for "diode OR". These are small-signal types.

If the amplifier has a switching power supply, or is a Class D amplifier, high speed switching diodes are used extensively. They are used for rectification (though they must be high-speed devices because of the high switching frequency), suppression and clamping in the Class D output stage (ditto), and miscellaneous functions in the control circuitry. These are high-speed, high-current diodes.

View page

Darlington amplifier has more gain when compared to cascade amplifier .

View page

You should check your cables. A broken or loose wire at the amplifier or at the speaker (or somewhere in between) is usually the problem. If the amplifier has different inputs (radio, CD, etc.) check to see that they all work the same. If the sound is missing only from one source, check the cables from that source to the amplifier. Check the balance control on the amplifier (if it has one) to make sure it is in the middle. If all of this checks out, try switching the speakers around. If the broken speaker moves over to the other side, it is the speaker itself. If nothing changes, the problem is in the amplifier.

View page
Featured study guide

Who did Pip get into an argument with at the Blue Boar

Who had the judge singled out to address

Who had taught Joe to write

To whom did Miss Havisham leave most of her estate

➡️
See all cards
No Reviews
More study guides
1.0
1 Review

No Reviews
Search results