公开(公告)号：US12047090B2

公开(公告)日：2024-07-23

申请号：US17635001

申请日：2019-09-27

Applicant: Intel Corporation

Inventor： Filipe De Andrade Tabarani Santos ,  Andreas Roithmeier ,  Timo Gossmann ,  Syed Ahmed Aamir ,  Rinaldo Zinke

IPC: H03M1/00 ,  H03F3/20 ,  H03M1/66

CPC classification number: H03M1/662 ,  H03F3/20 ,  H03F2200/451

Abstract: A RFDAC comprising an array of unit-cell power amplifiers, wherein the array comprises a first plurality of unit-cell power amplifiers, a second plurality of unit-cell power amplifiers, and a third plurality of unit-cell power amplifiers; wherein the first plurality of unit-cell power amplifiers are configured to operate in accordance with a first clock; wherein the second plurality of unit-cell power amplifiers are configured to operate in accordance with a second clock; wherein the third plurality of unit-cell power amplifiers are configured to operate in accordance with the first clock or the second clock. The RFDAC also comprising a decoder configured to output the first clock and an enablement signal of the first clock for the first plurality; output the second clock and an enablement signal of the second clock for the second plurality; distinguish between the first clock and the second clock for the third plurality.