公开(公告)号：WO2021061144A1

公开(公告)日：2021-04-01

申请号：PCT/US2019/053339

申请日：2019-09-27

Applicant: INTEL CORPORATION

Inventor： DE ANDRADE TABARANI SANTOS, Filipe ,  ROITHMEIER, Andreas ,  GOSSMANN, Timo ,  AAMIR, Syed, Ahmed ,  ZINKE, Rinaldo

IPC: H03M1/66 ,  H03M1/00

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.