KR19980077195A - 이동통신 기지국용 저잡음 증폭기 - Google Patents
이동통신 기지국용 저잡음 증폭기 Download PDFInfo
- Publication number
- KR19980077195A KR19980077195A KR1019970014211A KR19970014211A KR19980077195A KR 19980077195 A KR19980077195 A KR 19980077195A KR 1019970014211 A KR1019970014211 A KR 1019970014211A KR 19970014211 A KR19970014211 A KR 19970014211A KR 19980077195 A KR19980077195 A KR 19980077195A
- Authority
- KR
- South Korea
- Prior art keywords
- impedance
- low noise
- noise amplifier
- amplifiers
- base station
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/155—Ground-based stations
- H04B7/15528—Control of operation parameters of a relay station to exploit the physical medium
- H04B7/15535—Control of relay amplifier gain
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
- H04W52/04—Transmission power control [TPC]
- H04W52/52—Transmission power control [TPC] using AGC [Automatic Gain Control] circuits or amplifiers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/08—Access point devices
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Amplifiers (AREA)
Abstract
Description
Claims (2)
- 입력되는 신호를 증폭하는 독립된 복수의 증폭수단과,상기 증폭수단의 동작 상태에 따라 선택적으로 복수의 상기 증폭수단 중 임의의 증폭수단에 전원을 인가하는 전원제어수단과,상기 증폭수단의 입력측과 출력측에 각각 설치된 복수의 임피던스 정합수단과,상기 증폭수단의 전원 인가 여부에 따라 상기 임피던스 정합수단의 입력 임피던스가 고 임피던스나 정합 임피던스로 보이게 하는 임피던스 조절수단을 포함하여 구성된 것을 특징으로 하는 이동통신 기지국용 저잡음 증폭기.
- 제 1 항에 있어서,상기 전원제어수단은 상기 증폭수단의 동작 상태에 따라 선택적으로 복수의 상기 증폭수단 중 임의의 증폭수단에 전원을 인가함과 동시에 제어신호를 출력하여 상기 임피던스 정합수단의 입력 임피던스가 고 임피던스나 정합 임피던스로 보이게 하는 것을 특징으로 하는 이동통신 기지국용 저잡음 증폭기.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019970014211A KR100244973B1 (ko) | 1997-04-17 | 1997-04-17 | 이동통신 기지국용 저잡음 증폭기 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019970014211A KR100244973B1 (ko) | 1997-04-17 | 1997-04-17 | 이동통신 기지국용 저잡음 증폭기 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR19980077195A true KR19980077195A (ko) | 1998-11-16 |
| KR100244973B1 KR100244973B1 (ko) | 2000-02-15 |
Family
ID=19503063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019970014211A Expired - Fee Related KR100244973B1 (ko) | 1997-04-17 | 1997-04-17 | 이동통신 기지국용 저잡음 증폭기 |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR100244973B1 (ko) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100651159B1 (ko) * | 2002-06-01 | 2006-11-29 | 김송강 | 고효율 전력 증폭기 |
| KR100821197B1 (ko) * | 2005-10-17 | 2008-04-11 | 한국전자통신연구원 | 고효율 혼합모드 전력 증폭기 |
| KR100837821B1 (ko) * | 2003-02-14 | 2008-06-13 | 삼성전자주식회사 | 전력 절감을 위한 증폭기 제어장치 및 방법 |
-
1997
- 1997-04-17 KR KR1019970014211A patent/KR100244973B1/ko not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100651159B1 (ko) * | 2002-06-01 | 2006-11-29 | 김송강 | 고효율 전력 증폭기 |
| KR100837821B1 (ko) * | 2003-02-14 | 2008-06-13 | 삼성전자주식회사 | 전력 절감을 위한 증폭기 제어장치 및 방법 |
| KR100821197B1 (ko) * | 2005-10-17 | 2008-04-11 | 한국전자통신연구원 | 고효율 혼합모드 전력 증폭기 |
Also Published As
| Publication number | Publication date |
|---|---|
| KR100244973B1 (ko) | 2000-02-15 |
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