Digitally-programmable gain amplifier with direct-charge transfer and offset cancellation

A Programmable-Gain Amplifier (PGA) has a digital value that programmably adjusts the gain of the analog amplifier. A variable capacitor has several switched sub-capacitors that are enabled by the digital value. Enabled sub-capacitors are switched between a sampled input and a virtual ground on one...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	CHAN KWAI CHI, WAN HO MING (KAREN), WU TIN HO (ANDY)
Format:	Patent
Sprache:	eng
Schlagworte:	AMPLIFIERS BASIC ELECTRONIC CIRCUITRY CONTROL OF AMPLIFICATION ELECTRICITY
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