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公开(公告)号：US10008984B2
公开(公告)日：2018-06-26
申请号：US15419668
申请日：2017-01-30
Applicant: Samsung Electronics Co., Ltd.
Inventor： Siddharth Seth , Sang Won Son , Dae Hyun Kwon , Sriramkumar Venugopalan , Thomas Cho
CPC classification number: H03F1/0233 , H03F1/0222 , H03F3/193 , H03F3/245 , H03F3/45179 , H03F3/45183 , H03F3/45197 , H03F2200/102 , H03F2200/153 , H03F2200/381 , H03F2200/451 , H03F2200/462 , H03F2200/546 , H03F2200/91 , H03F2203/30036 , H03F2203/45112 , H04B1/04 , H04B2001/0416
Abstract: An amplifier circuit is provided. The amplifier circuit includes an amplifier stage; a plurality of variable transistors connected to the amplifier stage; a transconductor connected to at least one of the plurality of variable transistors; and a hybrid differential envelope detector and full-wave rectifier connected to the transconductor.
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公开(公告)号：US09559646B2
公开(公告)日：2017-01-31
申请号：US14819088
申请日：2015-08-05
Applicant: Samsung Electronics Co., Ltd.
Inventor： Siddharth Seth , Sang Won Son , Dae Hyun Kwon , Sriramkumar Venugopalan , Thomas Cho
CPC classification number: H03F1/0233 , H03F1/0222 , H03F3/193 , H03F3/245 , H03F3/45179 , H03F3/45183 , H03F3/45197 , H03F2200/102 , H03F2200/153 , H03F2200/381 , H03F2200/451 , H03F2200/462 , H03F2200/546 , H03F2200/91 , H03F2203/30036 , H03F2203/45112 , H04B1/04 , H04B2001/0416
Abstract: A dynamically biased baseband current amplifier is provided. The dynamically biased baseband current amplifier includes an input interface; a controller; a variable resistor network; an amplifier stage; a hybrid differential envelope detector and full-wave rectifier; a transconductor; a first variable transistor; a second variable transistor; a third variable transistor; and a fourth variable transistor.
Abstract translation: 提供了一种动态偏置的基带电流放大器。 动态偏置的基带电流放大器包括输入接口; 控制器 可变电阻网络; 放大器级; 混合差分包络检波器和全波整流器; 跨导体 第一可变晶体管; 第二可变晶体管; 第三可变晶体管; 和第四可变晶体管。
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公开(公告)号：US10312861B2
公开(公告)日：2019-06-04
申请号：US15608254
申请日：2017-05-30
Applicant: Samsung Electronics Co., Ltd.
Inventor： Venumadhav Bhagavatula , Sriramkumar Venugopalan , Siddharth Seth , Siuchuang Ivan Lu , Sang Won Son
IPC: H03K5/00 , H03D7/12 , H03H11/28 , H03H11/32 , H03K17/691 , H03K17/693 , H03D7/14
Abstract: An apparatus and method are provided. The apparatus includes a multiplexer, including first, second, and third inputs, and an output; a first transistor, including a gate connected to the multiplexer, and first and second terminals; a first variable capacitor, including a first terminal connected to the first transistor, a second terminal, and an input; a first inductor, including a first terminal connected to the first transistor, and a second terminal connected to the second terminal of the first variable capacitor; a second transistor, including a gate connected to the output of the multiplexer, a first terminal, and a second terminal connected to the second terminal of the first inductor; a second inductor mutually coupled to the first inductor, including a first and second terminals; and a balun-bias switch, including first, second, and third inputs, and an output connected to the second terminal of the second inductor.
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公开(公告)号：US09667228B2
公开(公告)日：2017-05-30
申请号：US15065433
申请日：2016-03-09
Applicant: Samsung Electronics Co., Ltd.
Inventor： Venumadhav Bhagavatula , Sriramkumar Venugopalan , Siddharth Seth , Siuchuang Ivan Lu , Sang Won Son
IPC: H03H7/40 , H03H11/28 , H03H11/32 , H03K17/691 , H03K17/693 , H03D7/12
CPC classification number: H03D7/125 , H03D7/1441 , H03D7/1458 , H03D7/1466 , H03H11/28 , H03H11/32 , H03K17/691 , H03K17/693
Abstract: An apparatus and method are provided. The apparatus includes a multiplexer, including a first input, a second input, a third input, and an output; a first transistor, including a gate, a first terminal, and a second terminal; a first variable capacitor, including a first terminal, a second terminal, and an input; a first inductor, including a first terminal and a second terminal; a second transistor, including a gate, a first terminal, and a second terminal; a second inductor mutually coupled to the first inductor, including a first terminal and a second terminal; a balun-bias switch, including a first input, a second input, a third input, and an output; a second capacitor, including a first terminal, and a second terminal; and a port-switch, including a first input, a second input, a third input, and an output.
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