Voltage regulators using a resistive chain to bias a native...

Details Voltage regulators using a resistive chain to bias a native... Voltage regulators using a resistive chain to bias a native...

2008-12-02

2011-12-06

Bugg, George (Department: 2612)

Communications: electrical

Condition responsive indicating system

Specific condition

C340S572400, C340S636170, C340S010330, C340S010340, C375S316000, C455S343100, C455S343300, C323S224000, C323S228000, C323S281000

Reexamination Certificate

active

08072329

ABSTRACT:
The present disclosure provides examples of a voltage regulator for a Radio Frequency Identification tag circuit. The voltage regulator includes a pair of native transistors. A first native transistor is coupled to a reference voltage and biased to saturation. A resistive element coupled between the gate and the drain of the transistor ensures a sufficient voltage difference between the source and the drain of the first native transistor. The second native transistor, with a gate coupled to the gate of the first native transistor, outputs a regulated voltage.

REFERENCES:
patent: 7167090 (2007-01-01), Mandal et al.
patent: 7538673 (2009-05-01), Balachandran et al.
patent: 2004/0195593 (2004-10-01), Diorio et al.
patent: 2006/0128345 (2006-06-01), Ootaka et al.

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