Low distortion amplifier

A low distortion amplifier. The novel amplifier includes a first transistor Q having first and second output terminals and an input terminal adapted to receive an input signal, and a second transistor Q having first and second output terminals and an input terminal adapted to receive a signal from t...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Devendorf, Don C, Linder, Lloyd F, Tran, Cuong D
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A low distortion amplifier. The novel amplifier includes a first transistor Q having first and second output terminals and an input terminal adapted to receive an input signal, and a second transistor Q having first and second output terminals and an input terminal adapted to receive a signal from the first output terminal of Q, wherein the second output terminal of Q is connected to the second output terminal of Q in order to eliminate a nonlinear current component in Q. In an illustrative embodiment, the amplifier also includes a cascode Darlington pair Q, Q for holding the second output terminals of Q and Q at a desired voltage to further reduce distortion and to maintain a wide bandwidth.