Amplifier

Japanese: アンプ
Amplifier
A device with a circuit that amplifies minute electrical signals. An abbreviation of amplifier. Also known as amplifier. Vacuum tubes and transistors were used and were often connected to audio equipment, but most modern electronic devices such as televisions and videos use amplifiers that use ICs. There are also magnetic amplifiers that use the magnetic saturation phenomenon. It is desirable for the output signal to have little distortion and little change with frequency, and amplifiers with negative feedback have these characteristics. For microwaves, traveling wave tubes and klystrons are used.
→ Related topics Operational amplifiers | Mixers

Source : Heibonsha Encyclopedia About MyPedia Information

Japanese:
微細な電気信号を増幅する回路をもつ装置。アンプリファイアamplifierの略。増幅器とも。真空管やトランジスターを使用し,オーディオ機器に接続されることが多かったが,テレビやビデオなどの最近の電子機器ではICを利用した増幅器が最も多い。その他磁気飽和現象を利用した磁気増幅器等もある。出力信号のひずみの少ないこと,周波数による変化の少ないことなどが望ましく,負帰還を施した増幅器はこれらの特性がよい。マイクロ波用には進行波管やクライストロン等が使用される。
→関連項目オペアンプ|ミキサー

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