公开(公告)号：US20160080018A1

公开(公告)日：2016-03-17

申请号：US14507623

申请日：2014-10-06

Applicant: QUALCOMM Incorporated

Inventor： Janakiram Ganesh Sankaranarayanan ,  Ojas Mahendra Choksi ,  Hasnain Mohammedi Lakdawala ,  Wei Zhuo ,  Faramarz Sabouri

IPC: H04B1/12 ,  H04B17/21 ,  H04B1/10

CPC classification number: H04B1/123 ,  H04B1/109 ,  H04B1/16 ,  H04B17/21 ,  H04W88/02

Abstract: An apparatus including: at least one receiver having injection points and having at least an amplifier and a transformer; and a plurality of isolation switches coupled to injection points of the at least one receiver, the plurality of isolation switches configured to route a calibration signal generated by a transmitter to one of the injection points.

Abstract translation: 一种装置，包括：至少一个具有注入点并具有至少一个放大器和变压器的接收器; 以及耦合到所述至少一个接收器的注入点的多个隔离开关，所述多个隔离开关被配置为将由发射器产生的校准信号路由到所述注入点之一。

公开(公告)号：US20150180423A1

公开(公告)日：2015-06-25

申请号：US14133719

申请日：2013-12-19

Applicant: QUALCOMM INCORPORATED

Inventor： Janakiram Ganesh Sankaranarayanan

IPC: H03F1/26 ,  H03F3/68 ,  H03F3/193

CPC classification number: H03F1/26 ,  H03F1/223 ,  H03F1/3205 ,  H03F3/193 ,  H03F3/68 ,  H03F2200/09 ,  H03F2200/144 ,  H03F2200/151 ,  H03F2200/181 ,  H03F2200/294 ,  H03F2200/372 ,  H03F2200/451 ,  H03F2200/492 ,  H03F2200/541

Abstract: A device includes a main low noise amplifier (LNA) stage configured to amplify a single-ended communication signal, an auxiliary LNA stage coupled to the main LNA stage, the auxiliary LNA stage configured to cancel non-linear second order products generated by the main LNA stage, and a load circuit configured to receive an output of the main LNA stage and an output of the auxiliary LNA stage, the load circuit configured to convert the single-ended communication signal to a differential signal.

Abstract translation: 一种装置包括被配置为放大单端通信信号的主低噪声放大器（LNA）级，耦合到主LNA级的辅助LNA级，辅助LNA级被配置为消除由主LNA级产生的非线性二阶乘积 LNA级，负载电路被配置为接收主LNA级的输出和辅助LNA级的输出，该负载电路被配置为将单端通信信号转换为差分信号。

公开(公告)号：US09379753B2

公开(公告)日：2016-06-28

申请号：US14507623

申请日：2014-10-06

Applicant: QUALCOMM Incorporated

Inventor： Janakiram Ganesh Sankaranarayanan ,  Ojas Mahendra Choksi ,  Hasnain Mohammedi Lakdawala ,  Wei Zhuo ,  Faramarz Sabouri

IPC: H04B1/10 ,  H04B1/12 ,  H04B17/21 ,  H04W88/02

CPC classification number: H04B1/123 ,  H04B1/109 ,  H04B1/16 ,  H04B17/21 ,  H04W88/02

Abstract: An apparatus including: at least one receiver having injection points and having at least an amplifier and a transformer; and a plurality of isolation switches coupled to injection points of the at least one receiver, the plurality of isolation switches configured to route a calibration signal generated by a transmitter to one of the injection points.

Abstract translation: 一种装置，包括：至少一个具有注入点并具有至少一个放大器和变压器的接收器; 以及耦合到所述至少一个接收器的注入点的多个隔离开关，所述多个隔离开关被配置为将由发射器产生的校准信号路由到所述注入点之一。

公开(公告)号：US09178473B2

公开(公告)日：2015-11-03

申请号：US14133719

申请日：2013-12-19

Applicant: QUALCOMM Incorporated

Inventor： Janakiram Ganesh Sankaranarayanan

IPC: H03F3/68 ,  H03F1/26 ,  H03F3/193 ,  H03F1/22 ,  H03F1/32

CPC classification number: H03F1/26 ,  H03F1/223 ,  H03F1/3205 ,  H03F3/193 ,  H03F3/68 ,  H03F2200/09 ,  H03F2200/144 ,  H03F2200/151 ,  H03F2200/181 ,  H03F2200/294 ,  H03F2200/372 ,  H03F2200/451 ,  H03F2200/492 ,  H03F2200/541

Abstract: A device includes a main low noise amplifier (LNA) stage configured to amplify a single-ended communication signal, an auxiliary LNA stage coupled to the main LNA stage, the auxiliary LNA stage configured to cancel non-linear second order products generated by the main LNA stage, and a load circuit configured to receive an output of the main LNA stage and an output of the auxiliary LNA stage, the load circuit configured to convert the single-ended communication signal to a differential signal.

Abstract translation: 一种装置包括被配置为放大单端通信信号的主低噪声放大器（LNA）级，耦合到主LNA级的辅助LNA级，辅助LNA级被配置为消除由主LNA级产生的非线性二阶乘积 LNA级，负载电路被配置为接收主LNA级的输出和辅助LNA级的输出，该负载电路被配置为将单端通信信号转换为差分信号。