Driving voltage control module

Details Driving voltage control module Driving voltage control module

2006-06-26

2010-10-26

Tran, Pablo N (Department: 2618)

Telecommunications

Receiver or analog modulated signal frequency converter

With particular receiver circuit

C455S127500, C455S343500, C455S574000

Reexamination Certificate

active

07822404

ABSTRACT:
Provided is a driving voltage control module capable of minimizing current consumption and time taken to return from a standby state to a normal state by controlling driving voltages for electronic circuits and systems for communication when a mobile communication transceiving circuit or a communication system is in a standby state in which there is no busy signal. The driving voltage control module includes a regulator for converting an input power voltage into a predetermined level of DC voltage, and supplying the converted DC voltage to an external circuit module as a driving voltage; and a voltage controller for controlling an output voltage level of the regulator, wherein, under control of the voltage controller, a level of the driving voltage is adjusted to be a standby voltage level lower than a turn-on voltage level of a switching device constituting the external circuit module. With the driving voltage control module, the transceiving circuit and the RF circuit of the RF mobile communication terminal can be supplied with distinct power voltages each corresponding to the cut-off state, the standby state, and the normal operation state, thereby reducing current consumption and the time taken to reach the normal state from the standby state. This can increase the battery lifetime and embody a high-speed RF mobile communication terminal.

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