KR19980077196A - 스위칭 방식을 적용한 이동 통신 기지국용 저잡음 증폭기 - Google Patents
스위칭 방식을 적용한 이동 통신 기지국용 저잡음 증폭기 Download PDFInfo
- Publication number
- KR19980077196A KR19980077196A KR1019970014212A KR19970014212A KR19980077196A KR 19980077196 A KR19980077196 A KR 19980077196A KR 1019970014212 A KR1019970014212 A KR 1019970014212A KR 19970014212 A KR19970014212 A KR 19970014212A KR 19980077196 A KR19980077196 A KR 19980077196A
- Authority
- KR
- South Korea
- Prior art keywords
- low noise
- noise amplifier
- base station
- mobile communication
- high frequency
- 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
- 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
-
- 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)
- Power Engineering (AREA)
- Amplifiers (AREA)
Abstract
Description
Claims (1)
- 입력되는 고주파 신호의 경로를 선택하는 제 1 스위칭수단과 ;입력되는 구동전원을 제 1, 제 2 증폭수단의 동작 상태에 따라 선택적으로 공급하는 전원 제어수단과 ;상기 전원 제어수단에서 선택적으로 인가되는 전원에 의해 구동되어 상기 제 1 스위칭수단의 경로 선택에 따라 입력되는 고주파신호를 소정의 레벨로 증폭하는 제 1, 제 2 증폭수단과 ;상기 제 1, 제 2 증폭수단에서 선택적으로 증폭된 고주파신호를 후단에 전달하는 제 2 스위칭수단을 포함하여 구성된 것을 특징으로 하는 스위칭 방식을 적용한 이동 통신 기지국용 저잡음 증폭기.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019970014212A KR100244974B1 (ko) | 1997-04-17 | 1997-04-17 | 스위칭 방식을 적용한 이동 통신 기지국용 저잡음 증폭기 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019970014212A KR100244974B1 (ko) | 1997-04-17 | 1997-04-17 | 스위칭 방식을 적용한 이동 통신 기지국용 저잡음 증폭기 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR19980077196A true KR19980077196A (ko) | 1998-11-16 |
| KR100244974B1 KR100244974B1 (ko) | 2000-02-15 |
Family
ID=19503064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019970014212A Expired - Fee Related KR100244974B1 (ko) | 1997-04-17 | 1997-04-17 | 스위칭 방식을 적용한 이동 통신 기지국용 저잡음 증폭기 |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR100244974B1 (ko) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020012900A (ko) * | 2000-08-09 | 2002-02-20 | 최동식 | 여분의 전력 증폭기가 구비된 이동 통신 중계기 |
| KR20020056740A (ko) * | 2000-12-29 | 2002-07-10 | 송재인 | 절전형 전력증폭장치 |
| KR20040016588A (ko) * | 2002-08-19 | 2004-02-25 | 엘지이노텍 주식회사 | 입출력 모드 절환이 가능한 고주파 전력 증폭기 |
-
1997
- 1997-04-17 KR KR1019970014212A patent/KR100244974B1/ko not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020012900A (ko) * | 2000-08-09 | 2002-02-20 | 최동식 | 여분의 전력 증폭기가 구비된 이동 통신 중계기 |
| KR20020056740A (ko) * | 2000-12-29 | 2002-07-10 | 송재인 | 절전형 전력증폭장치 |
| KR20040016588A (ko) * | 2002-08-19 | 2004-02-25 | 엘지이노텍 주식회사 | 입출력 모드 절환이 가능한 고주파 전력 증폭기 |
Also Published As
| Publication number | Publication date |
|---|---|
| KR100244974B1 (ko) | 2000-02-15 |
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