公开(公告)号：US20150357982A1

公开(公告)日：2015-12-10

申请号：US14296247

申请日：2014-06-04

Applicant: Analog Devices Technology

Inventor： EBERHARD BRUNNER

IPC: H03G1/00 ,  H03F3/04

CPC classification number: H03G1/0017 ,  H03F3/04 ,  H03F3/45 ,  H03F3/45085 ,  H03F2203/45274 ,  H03F2203/45392 ,  H03F2203/45601 ,  H03F2203/45612 ,  H03G1/0023

Abstract: A transconductance gain stage including a pair of gain transistors, each gain transistor having a base and an emitter, the emitter of each gain transistor electrically coupled to a degenerating resistor, and the emitter of each gain transistor connected to a gain resistor.

Abstract translation: 跨导增益级包括一对增益晶体管，每个增益晶体管具有基极和发射极，每个增益晶体管的发射极电耦合到退化电阻器，并且每个增益晶体管的发射极连接到增益电阻器。

公开(公告)号：US20150303887A1

公开(公告)日：2015-10-22

申请号：US14258634

申请日：2014-04-22

Applicant: Analog Devices Technology

Inventor： EBERHARD BRUNNER ,  JEFF VENUTI

IPC: H03G3/30 ,  H03F3/19 ,  H03F3/45

CPC classification number: H03G3/3042 ,  H03F3/19 ,  H03F3/4508 ,  H03F2200/336 ,  H03F2200/451 ,  H03F2203/45116 ,  H03F2203/45154 ,  H03F2203/45306 ,  H03G1/0023

Abstract: A system has a baseband gain stage to receive incoming in-phase and quadrature voltage signals and output in-phase and quadrature current signals, a mixer core arranged to receive the in-phase and quadrature current signals and output radio frequency signals, and a variable gain amplifier to receive the radio frequency signals and produce a broadband radio signal.

Abstract translation: 系统具有基带增益级，用于接收输入的同相和正交电压信号并输出​​同相和正交电流信号，混频器核被布置成接收同相和正交电流信号并输出​​射频信号，以及变量 增益放大器接收射频信号并产生宽带无线电信号。