Method and circuits for power management in a transceiver

Details Method and circuits for power management in a transceiver Method and circuits for power management in a transceiver

2006-07-18

2006-07-18

Tran, Khai (Department: 2637)

Pulse or digital communications

Transceivers

C375S222000, C375S312000, C370S247000, C370S282000, C713S310000, C713S323000

Reexamination Certificate

active

07079571

ABSTRACT:
A transceiver circuit having 10 mb and 100 mb transmit and receive circuitries using the power saving methods allows for power consumption of the transceiver circuit to be significantly reduced. This is accomplished by providing each defined subcircuit with its own power supply and means of activation and deactivation. However, the method for activating and deactivating digital subcircuits and analog subcircuits are different and therefore different types of control signals and methods are provided. Furthermore, there are two general types of power-saving situations. The first type is near total circuit power-down and the second type is partial circuit power-down. In yet another embodiment, a method for minimizing energy usage during the idle period is utilized.

REFERENCES:
patent: 5404544 (1995-04-01), Crayford
patent: 6198727 (2001-03-01), Wakeley et al.
patent: 6434187 (2002-08-01), Beard et al.
Psiber Data Systems Inc., LM20/25 Application Notes, Sep. 9, 1998.

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