KR20180098436A - 등가 트랜스포머를 이용한 전력 증폭기 - Google Patents
등가 트랜스포머를 이용한 전력 증폭기 Download PDFInfo
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- KR20180098436A KR20180098436A KR1020170024730A KR20170024730A KR20180098436A KR 20180098436 A KR20180098436 A KR 20180098436A KR 1020170024730 A KR1020170024730 A KR 1020170024730A KR 20170024730 A KR20170024730 A KR 20170024730A KR 20180098436 A KR20180098436 A KR 20180098436A
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/60—Amplifiers in which coupling networks have distributed constants, e.g. with waveguide resonators
- H03F3/602—Combinations of several amplifiers
- H03F3/604—Combinations of several amplifiers using FET's
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/34—Negative-feedback-circuit arrangements with or without positive feedback
- H03F1/347—Negative-feedback-circuit arrangements with or without positive feedback using transformers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/56—Modifications of input or output impedances, not otherwise provided for
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/56—Modifications of input or output impedances, not otherwise provided for
- H03F1/565—Modifications of input or output impedances, not otherwise provided for using inductive elements
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/189—High-frequency amplifiers, e.g. radio frequency amplifiers
- H03F3/19—High-frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only
- H03F3/193—High-frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only with field-effect devices
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
- H03F3/21—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
- H03F3/24—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers of transmitter output stages
- H03F3/245—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers of transmitter output stages with semiconductor devices only
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/60—Amplifiers in which coupling networks have distributed constants, e.g. with waveguide resonators
- H03F3/602—Combinations of several amplifiers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P5/00—Coupling devices of the waveguide type
- H01P5/12—Coupling devices having more than two ports
- H01P5/16—Conjugate devices, i.e. devices having at least one port decoupled from one other port
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/255—Amplifier input adaptation especially for transmission line coupling purposes, e.g. impedance adaptation
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/451—Indexing scheme relating to amplifiers the amplifier being a radio frequency amplifier
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/04—Large scale networks; Deep hierarchical networks
- H04W84/042—Public Land Mobile systems, e.g. cellular systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/10—Small scale networks; Flat hierarchical networks
- H04W84/12—WLAN [Wireless Local Area Networks]
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
Abstract
Description
도 2는 Bus Bar 타입 파워 결합 구조,
도 3은 트랜스포머(Transformer)를 이용한 파워 결합 구조,
도 4는 T-라인 트랜스포머 등가 회로,
도 5는 T-라인들을 이용한 2단 전력 증폭기의 회로도,
도 6은 T-라인들을 이용한 N단 전력 증폭기의 회로도이다.
121, 122, 123, 124, 125, 126 : T-라인
Claims (12)
- 제1 증폭기;
제1 증폭기에 제1 단자가 연결되고, 출력 측에 제2 단자가 연결되는 제1 T-라인;
제2 증폭기; 및
제2 증폭기에 제1 단자가 연결되고, 출력 측에 제2 단자가 연결되는 제2 T-라인;을 포함하는 것을 특징으로 하는 전력 증폭기.
- 청구항 1에 있어서,
제1 T-라인의 제3 단자와 제2 T-라인의 제3 단자는 연결되어 있는 것을 특징으로 하는 전력 증폭기.
- 청구항 2에 있어서,
제1 T-라인의 제3 단자와 제2 T-라인의 제3 단자는 접지되어 있는 것을 특징으로 하는 전력 증폭기.
- 청구항 3에 있어서,
제1 T-라인은,
제1 트랜스포머와 등가 회로인 것을 특징으로 하는 전력 증폭기.
- 청구항 4에 있어서,
제2 T-라인은,
제2 트랜스포머와 등가 회로인 것을 특징으로 하는 전력 증폭기.
- 청구항 4에 있어서,
제1 T-라인은,
제1 단자 측의 제1 라인의 임피던스는 L1-M이고,
제2 단자 측의 제2 라인의 임피던스는 L2-M이며,
제3 단자 측의 제3 라인의 임피던스는 M이고,
L1은 제1 트랜스포머의 1차 코일의 인덕턴스이고,
L2는 제1 트랜스포머의 2차 코일의 인덕턴스이고,
M은 1차 코일과 2차 코일의 상호 인덕턴스인 것을 특징으로 하는 전력 증폭기.
- 청구항 2에 있어서,
제1 T-라인의 제3 단자와 제2 T-라인의 제3 단자는,
지그재그 패턴인 것을 특징으로 하는 전력 증폭기.
- 청구항 1에 있어서,
제3 증폭기;
제3 증폭기에 제1 단자가 연결되고, 출력 측에 제2 단자가 연결되는 제3 T-라인;
제4 증폭기;
제4 증폭기에 제1 단자가 연결되고, 출력 측에 제2 단자가 연결되는 제4 T-라인;을 더 포함하는 것을 특징으로 하는 전력 증폭기.
- 청구항 8에 있어서,
제1 T-라인의 제2 단자와 제2 T-라인의 제2 단자에 제1 단자가 연결되고, 출력 측에 제2 단자가 연결되는 제5 T-라인;
제3 T-라인의 제2 단자와 제4 T-라인의 제2 단자에 제1 단자가 연결되고, 출력 측에 제2 단자가 연결되는 제6 T-라인;을 더 포함하는 것을 특징으로 하는 전력 증폭기.
- 제1 증폭기가, 신호를 증폭하는 단계;
제2 증폭기가, 신호를 증폭하는 단계; 및
제1 증폭기에 제1 단자가 연결되고 출력 측에 제2 단자가 연결되는 제1 T-라인과 제2 증폭기에 제1 단자가 연결되고 출력 측에 제2 단자가 연결되는 제2 T-라인이, 제1 증폭기에서 증폭된 신호와 제2 증폭기에서 증폭된 신호를 결합하는 단계;를 포함하는 것을 특징으로 하는 전력 증폭 방법.
- 제1 증폭기에 제1 단자가 연결되고, 출력 측에 제2 단자가 연결되는 제1 T-라인; 및
제2 증폭기에 제1 단자가 연결되고, 출력 측에 제2 단자가 연결되는 제2 T-라인;을 포함하는 것을 특징으로 하는 파워 결합기.
- 제1 증폭기에 제1 단자가 연결되고 출력 측에 제2 단자가 연결되는 제1 T-라인이, 제1 증폭기에서 증폭된 신호를 입력받는 단계;
제2 증폭기에 제1 단자가 연결되고 출력 측에 제2 단자가 연결되는 제2 T-라인이, 제2 증폭기에서 증폭된 신호를 입력받는 단계; 및
제1 T-라인과 제2 T-라인이, 제1 증폭기에서 증폭된 신호와 제2 증폭기에서 증폭된 신호를 결합하는 단계;를 포함하는 것을 특징으로 하는 파워 결합 방법.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020170024730A KR101901510B1 (ko) | 2017-02-24 | 2017-02-24 | 등가 트랜스포머를 이용한 전력 증폭기 |
| US15/894,675 US10236846B2 (en) | 2017-02-24 | 2018-02-12 | Power amplifier using equivalent transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020170024730A KR101901510B1 (ko) | 2017-02-24 | 2017-02-24 | 등가 트랜스포머를 이용한 전력 증폭기 |
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| Publication Number | Publication Date |
|---|---|
| KR20180098436A true KR20180098436A (ko) | 2018-09-04 |
| KR101901510B1 KR101901510B1 (ko) | 2018-09-28 |
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| KR1020170024730A Active KR101901510B1 (ko) | 2017-02-24 | 2017-02-24 | 등가 트랜스포머를 이용한 전력 증폭기 |
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| GB201814756D0 (en) * | 2018-09-11 | 2018-10-24 | Queens Univ Of Belfast | Improvements in and relating to power divider/combiner circuits |
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| US6770815B1 (en) * | 2001-01-30 | 2004-08-03 | Michael J. Shotey | Base and electrical outlet having an expandable base mounting aperture and method for making same |
| US6879209B2 (en) * | 2003-07-08 | 2005-04-12 | Icefyre Semiconductor Corp. | Switched-mode power amplifier using lumped element impedance inverter for parallel combining |
| US20080020413A1 (en) * | 2006-03-29 | 2008-01-24 | Columbia University | Crystalline visfatin and methods therefor |
| US7755452B2 (en) * | 2007-02-27 | 2010-07-13 | Coherent, Inc. | Power combiner |
| US8698576B2 (en) | 2011-04-27 | 2014-04-15 | Alcatel Lucent | Isolated zero degree reactive radio frequency high power combiner |
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| Publication number | Publication date |
|---|---|
| KR101901510B1 (ko) | 2018-09-28 |
| US10236846B2 (en) | 2019-03-19 |
| US20180248528A1 (en) | 2018-08-30 |
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