MONOLITHIC CLASS D AMPLIFIER

MONOLITHIC CLASS D AMPLIFIER

A monolithic integrated circuit (1.75) is mounted in a speaker cabinet (1.71) to drive the voice coil (1.74) of the speaker (1.70). The monolithic integrated circuit may be a class D amplifier (1.10), and is at least a half-bridge or full bridge power MOSFET device. Structures and process for formin...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: PEARCE, LAWRENCE, G, HEMMENWAY, DONALD, F
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
BASIC ELECTRIC ELEMENTS
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
SEMICONDUCTOR DEVICES
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Beschreibung
Zusammenfassung:A monolithic integrated circuit (1.75) is mounted in a speaker cabinet (1.71) to drive the voice coil (1.74) of the speaker (1.70). The monolithic integrated circuit may be a class D amplifier (1.10), and is at least a half-bridge or full bridge power MOSFET device. Structures and process for forming the mos switching devices (2.20) of the bridge driver circuits are disclosed. Also disclosed is the N+ buried layer (4.14) of the QVDMOS transistors (4.43) of the bridge circuits.