Electricity: power supply or regulation systems – Including an impedance
Patent
1999-02-04
2000-09-12
Riley, Shawn
Electricity: power supply or regulation systems
Including an impedance
327544, 327404, H03H 100
Patent
active
061182672
ABSTRACT:
A dual mode apparatus for alternately supplying a low power reference voltage and a high power reference voltage, both at the same voltage level. The apparatus includes a driver, an output buffer and a switch. The driver generates the low power reference voltage, which is directly supplied during a standby mode of a receiving unit. The output buffer receives the low power reference voltage during an active mode of the receiving unit, and generates the high power reference voltage therefrom. The switch is connected between an output of the driver and the output buffer, and provides the high power reference voltage during the active mode, and the low power reference voltage during the stand-by mode.
REFERENCES:
patent: 5568085 (1996-10-01), Eitan et al.
patent: 5636288 (1997-06-01), Bonneville et al.
patent: 5726946 (1998-03-01), Yamagata et al.
David A. Johns, Ken Martin, "Analog Integrated Circuit Design", John Wiley & Sons Inc., Chapter 10, p. 398 and inside cover of the text. Jun. 1997.
K. Martin, "Improved Circuits for Realization of Switched-Capacitor Filters", IEEE Trans. Circuit and Systems, vol. CAS-27 No. 4, pp. 237-244, Apr. 1980.
Eitan Boaz
Nachmann Hans
MacPherson Alan H.
Riley Shawn
Saifun Semiconductors Ltd.
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