amplifier

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Introduction References & Edit History Related Topics

Images

Figure 12: Block diagram of monochrome television transmitter.

amplifier using an n-p-n transistor

direct coupled n-p-n-p-n-p amplifier

Figure 5: Essential elements of (A) transmitter, and (B) receiver.

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Alpaca and Llama side by side

What’s the Difference Between Llamas and Alpacas?

World Data Locator Map: Australia

Is Australia an Island?

Queen Elizabeth II addresses at opening of Parliament. (Date unknown on photo, but may be 1958, the first time the opening of Parliament was filmed.)

All 119 References in “We Didn’t Start the Fire,” Explained

Portrait of Marie Antoinette by Jean-Francois Janinet, 1777. Color etching and engraving with gold leaf printed on two sheets, 30x13.5 in.

Did Marie-Antoinette Really Say “Let Them Eat Cake”?

green digital binary symbols

What Comes After Terabyte?

Flags of the countries of the world (flagpoles).

How Many Countries Are There in the World?

Horses. Equus caballus. Horse stable. A brown horse looks out from his stall through the window.

Horsing Around: 7 of the Weirdest Racehorse Names in History

amplifier: Related Content

Written and fact-checked by The Information Architects of Encyclopaedia Britannica

Photos

Figure 12: Block diagram of monochrome television transmitter.

amplifier using an n-p-n transistor

direct coupled n-p-n-p-n-p amplifier

Figure 5: Essential elements of (A) transmitter, and (B) receiver.

See All Images →

Topics

laser maser hearing aid crossed-field amplifier gain radio-frequency amplifier feedback linear amplifier operational amplifier feedback control integrated circuit voltage regulator loudspeaker microphone printed circuit multiplexing rectifier computer circuitry oscillator electron tube

Dig Deeper: More Articles That Discuss This Topic

radio technology: Amplifiers

Key People

William P. Lear

American engineer and industrialist

Alexander Meissner

Austrian engineer