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US 7,609,091 B2Granted
Link transmitter with reduced power consumption
AssigneeIntel Corporation
InventorsHarry Muljono, Stefan Rusu, Yanmei Tian, Mubeen Atha, David J. Ayers
Life of this patent
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Abstract
With some transmitter embodiments disclosed herein, static power consumption in low power modes may be reduced without excessively increasing latency.
Claims20
A chip, comprising:
- a transmitter circuit to generate a differential signal and communicate it to a receiver, the transmitter to operate in an active mode where the differential signal has an associated common mode level and signal difference and in a low power mode where the signal has an associated common mode level that is less than the active mode common mode level and a signal difference sufficient to be perceived by the receiver.
A computer comprising:
- a microprocessor chip having a transmitter circuit;
- a wireless interface chip having a receiver to be linked to the microprocessor chip transmitter, the transmitter to generate a differential signal and communicate it to the receiver, the transmitter to operate in an active mode where the differential signal has an associated common mode level and signal difference and in a low power mode where the signal has an associated common mode level that is less than the active mode common mode level and a signal difference sufficient to be perceived by the receiver;
- and
- an antenna coupled to the wireless interface chip to electromagnetically link it to a wireless network.
1 more element
A chip, comprising:
- a driver to generate a differential signal and communicate it to a receiver, the driver to operate in an active mode where the differential signal has an associated common mode level and signal difference and in a low power mode where the signal has an associated common mode level that is less than the active mode common mode level and a signal difference sufficient to be perceived by the receiver;
- and
- a bias generator to bias the driver at different levels during the active and low power modes.
Dependencies are inferred from the claim text.