Does DC amplifier exist

Anonymous

∙ 15y ago

Updated: 8/17/2019

Yes, it's called a Transformer. Definitely the wrong answer. DC on a transformer is certainly going to blow it up. The answer is yes unless capacitor coupling is involved

Wiki User

∙ 15y ago

What else can I help you with?

What is DC coupled amplifier?

A: DC couple amplifiers refers to stages of amplifiers where is the biasing is direct without adding capacitors to remove the DC component from amplifier to amplifier

What is chopper amplifier?

In a chopper type amplifier the dc i/p voltage is converted into an ac voltage, amplified by an ac amplifier and then converted back into a dc voltage proportional to the original i/p signal

Quiescent operating point of a transistor amplifier lies in?

It lies in middle of the DC load line of that Amplifier.

DC amplifier amplifies what?

A: Amplify DC a1 volt can be amplify to 10volts for example if need be

Can you use a 14.4V 7.2A DC battery with an amplifier which requires 12V 5A DC?

No, you cannot.

What type of signal to amplify by using differential amplifier?

ac and dc

How is transformer saturation avoided in class B push pull amplifier operation?

In class B amplifier no DC biasing required, thus lack of of DC current in inpunt and load, saturation of core avoided

What is an amplidyne?

An amplidyne is a form of electromechanical amplifier in which an AC motor drives a DC generator.

What is amplidyne?

An amplidyne is a form of electromechanical amplifier in which an AC motor drives a DC generator.

Why you use capacitor in transistor amplifier in output?

The capacitor is used to block DC bias from the output, so that only the AC signal is passed. In an audio amplifier, for instance, unwanted DC in the output would cause distortion when fed to a speaker, or could even damage the speaker or amplifier. In the case of interstage capacitors, they block DC so that the output of the first stage does not affect the bias of the second stage.

Can an ac amplifier amplify the DC signals?

An amplifier generally amplifies an AC waveform (such as sound), and is powered by a DC source. The majority of the power at the output is then coming from a DC source (the power supply in a power amplifier will convert the 50/60Hz AC power in to DC for the amplifier circuitry). So you can make the argument the above (question) is a true statement. But an amplifier wouldn't be used to convert from DC to AC power (in general).

A CE amplifier has a load power of 10mW and the dc power is 215 mW The efficiency is?

4.65

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