公开(公告)号：EP1678819A1

公开(公告)日：2006-07-12

申请号：EP04794556.3

申请日：2004-10-08

Applicant: M/A-COM, INC.

Inventor： GRESHAM, Robert, Ian ,  WOHLERT, Ratana ,  JENKINS, Alan

IPC: H03F1/26 ,  H03F3/189 ,  H03F3/19

CPC classification number: H03F1/26 ,  H03F3/189 ,  H03F3/19 ,  H03F2200/294 ,  H03F2200/372

Abstract: A multi-stage amplifier including a first amplifier stage including a first transistor, the first transistor selected to provide an optimum noise characteristic, and a second amplifier stage including a second transistor, the second transistor selected to provide an optimum gain characteristic.

公开(公告)号：WO2005039040A1

公开(公告)日：2005-04-28

申请号：PCT/US2004/033240

申请日：2004-10-08

Applicant: M/A-COM, INC.

Inventor： GRESHAM, Robert, Ian ,  WOHLERT, Ratana ,  JENKINS, Alan

IPC: H03F1/26

CPC classification number: H03F1/26 ,  H03F3/189 ,  H03F3/19 ,  H03F2200/294 ,  H03F2200/372

Abstract: A multi-stage amplifier including a first amplifier stage including a first transistor, the first transistor selected to provide an optimum noise characteristic, and a second amplifier stage including a second transistor, the second transistor selected to provide an optimum gain characteristic.

Abstract translation: 一种多级放大器，包括：第一放大级，包括第一晶体管，所述第一晶体管被选择以提供最佳噪声特性;以及第二放大级，包括第二晶体管，所述第二晶体管被选择为提供最佳增益特性。