KR20080036158A - 통신 시스템의 송신기 구조들을 위한 방법 및 장치 - Google Patents
통신 시스템의 송신기 구조들을 위한 방법 및 장치 Download PDFInfo
- Publication number
- KR20080036158A KR20080036158A KR1020087008711A KR20087008711A KR20080036158A KR 20080036158 A KR20080036158 A KR 20080036158A KR 1020087008711 A KR1020087008711 A KR 1020087008711A KR 20087008711 A KR20087008711 A KR 20087008711A KR 20080036158 A KR20080036158 A KR 20080036158A
- Authority
- KR
- South Korea
- Prior art keywords
- gain
- driver
- vga
- control
- power
- 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.)
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/02—Transmitters
- H04B1/04—Circuits
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
- H03G3/3036—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers
- H03G3/3042—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers in modulators, frequency-changers, transmitters or power amplifiers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G1/00—Details of arrangements for controlling amplification
- H03G1/0005—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal
- H03G1/0088—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using discontinuously variable devices, e.g. switch-operated
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
- H03F2203/72—Indexing scheme relating to gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal
- H03F2203/7239—Indexing scheme relating to gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal the gated amplifier being switched on or off by putting into parallel or not, by choosing between amplifiers and shunting lines by one or more switch(es)
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Transmitters (AREA)
- Amplifiers (AREA)
- Time-Division Multiplex Systems (AREA)
- Control Of Amplification And Gain Control (AREA)
- Transceivers (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
| 드라이버-PA 이득 상태 | 출력 송신 전력 범위 | 드라이버 이득 세팅 | PA 이득 세팅 | 드라이버-PA 이득 |
| 0 | -52dBm에서 -17dBm | 낮은 이득 | 바이패스됨 | 0 dB |
| 1 | -32dBm에서 +3dBm | 높은 이득 | 바이패스됨 | 20 dB |
| 2 | -14dBm에서 +21dBm | 높은 이득 | 낮은 이득 | 38 dB |
| 3 | +5dBm에서 +28dBm | 높은 이득 | 높은 이득 | 56 dB |
| HEPA 이득 상태 | 출력 송신 전력 범위 | 감쇠기 세팅 | 증폭기 세팅 | HEPA 이득 |
| 0 | -52dB에서 -17dB | ON | 바이패스됨 | 0 dB |
| 1 | -32dB에서 +3dB | 바이패스됨 | 바이패스됨 | 20 dB |
| 2 | -14dB에서 +21dB | 바이패스됨 | 낮은 이득 | 38 dB |
| 3 | +5dB에서 +28dB | 바이패스됨 | 높은 이득 | 56 dB |
Claims (6)
- 송신기의 신호 이득을 조절하기 위한 장치로서, 상기 송신기는 제 2 이득 엘리먼트와 연속된(in series) 제 1 이득 엘리먼트를 포함하며, 상기 장치는 상기 제 1 이득 엘리먼트에 대한 제 1 이득과 상기 제 2 엘리먼트에 대한 공칭(nominal) 제 2 이득을 수신하고, 상기 공칭 제 2 이득으로부터 상기 제 2 이득 엘리먼트로 연결될 선형화된 제 2 이득을 발생시키며,상기 장치는,상기 제 1 이득에 기반하여 상기 공칭 제 2 이득을 조절하고 조절된 제 2 이득을 생성하는 조절 회로; 및상기 조절된 제 2 이득에 기반하여 선형화된 제 2 이득 값을 발생시키는 선형화 회로를 포함하는 것을 특징으로 하는 장치.
- 제 1 항에 있어서,상기 선형화된 제 2 이득의 조절과 상기 제 1 이득의 조절을 동기화하기 위한 타이밍 동기화 회로를 더 포함하는 것을 특징으로 하는 장치.
- 제 1 항에 있어서,상기 조절 회로는 상기 공칭 제 2 이득으로부터 상기 제 1 이득을 감산하기 위한 감산 회로를 포함하는 것을 특징으로 하는 장치.
- 제 1 항에 있어서,상기 선형화 회로는 조절된 제 2 이득 값들과 제 1 이득 값들의 다수의 가능한 조합들 각각에 대한 값들을 결정하도록 구성되는 것을 특징으로 하는 장치.
- 제 4 항에 있어서,상기 선형화 회로는 조절된 제 2 이득 값들과 제 1 이득 값들의 상기 다수의 가능한 조합들 각각에 대한 조사표(look up table)를 포함하는 것을 특징으로 하는 장치.
- 송신기에서 신호 이득을 조절하기 위한 방법으로서, 상기 송신기는 제 2 이득 엘리먼트와 연속된 제 1 이득 엘리먼트를 포함하며, 상기 방법은,상기 제 1 이득 엘리먼트에 대한 제 1 이득과 상기 제 2 엘리먼트에 대한 공칭 제 2 이득을 수신하는 단계;조절된 제 2 이득을 생성하기 위해 상기 제 1 이득에 기반하여 상기 공칭 제 2 이득을 조절하는 단계; 및상기 조절된 제 2 이득에 기반하여 상기 제 2 이득 엘리먼트에 연결될 선형화된 제 2 이득 값을 발생시키는 단계를 포함하는 것을 특징으로 하는 방법.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/519,734 | 2000-03-04 | ||
| US09/519,734 US6721368B1 (en) | 2000-03-04 | 2000-03-04 | Transmitter architectures for communications systems |
| PCT/US2001/006740 WO2001067621A2 (en) | 2000-03-04 | 2001-03-02 | Transmitter architectures for communications systems |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020077021218A Division KR100856695B1 (ko) | 2000-03-04 | 2001-03-02 | 통신 시스템의 송신기 구조들을 위한 방법 및 장치 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20080036158A true KR20080036158A (ko) | 2008-04-24 |
| KR100890499B1 KR100890499B1 (ko) | 2009-03-26 |
Family
ID=24069557
Family Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020087008711A Expired - Fee Related KR100890499B1 (ko) | 2000-03-04 | 2001-03-02 | 통신 시스템의 송신기 구조들을 위한 방법 및 장치 |
| KR1020077021218A Expired - Fee Related KR100856695B1 (ko) | 2000-03-04 | 2001-03-02 | 통신 시스템의 송신기 구조들을 위한 방법 및 장치 |
| KR1020027011564A Expired - Fee Related KR100808750B1 (ko) | 2000-03-04 | 2001-03-02 | 통신 시스템들을 위한 송신기 구조들 |
| KR1020087008712A Expired - Fee Related KR100892027B1 (ko) | 2000-03-04 | 2001-03-02 | 통신 시스템의 송신기 구조들을 위한 방법 및 장치 |
Family Applications After (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020077021218A Expired - Fee Related KR100856695B1 (ko) | 2000-03-04 | 2001-03-02 | 통신 시스템의 송신기 구조들을 위한 방법 및 장치 |
| KR1020027011564A Expired - Fee Related KR100808750B1 (ko) | 2000-03-04 | 2001-03-02 | 통신 시스템들을 위한 송신기 구조들 |
| KR1020087008712A Expired - Fee Related KR100892027B1 (ko) | 2000-03-04 | 2001-03-02 | 통신 시스템의 송신기 구조들을 위한 방법 및 장치 |
Country Status (15)
| Country | Link |
|---|---|
| US (1) | US6721368B1 (ko) |
| EP (4) | EP1264411B1 (ko) |
| JP (5) | JP4965045B2 (ko) |
| KR (4) | KR100890499B1 (ko) |
| CN (4) | CN100588116C (ko) |
| AT (2) | ATE492941T1 (ko) |
| AU (6) | AU2001243384B2 (ko) |
| BR (1) | BR0108969A (ko) |
| CA (6) | CA2621522C (ko) |
| DE (2) | DE60140433D1 (ko) |
| ES (2) | ES2335644T3 (ko) |
| IL (4) | IL151084A0 (ko) |
| MY (1) | MY127914A (ko) |
| RU (1) | RU2258309C2 (ko) |
| WO (1) | WO2001067621A2 (ko) |
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