KR970000157B1 - 전력 증폭기 포화 검출과 보정방법 및 장치 - Google Patents
전력 증폭기 포화 검출과 보정방법 및 장치 Download PDFInfo
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- KR970000157B1 KR970000157B1 KR1019930700250A KR930700250A KR970000157B1 KR 970000157 B1 KR970000157 B1 KR 970000157B1 KR 1019930700250 A KR1019930700250 A KR 1019930700250A KR 930700250 A KR930700250 A KR 930700250A KR 970000157 B1 KR970000157 B1 KR 970000157B1
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- Prior art keywords
- signal
- aoc
- input
- output
- saturation
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- 238000001514 detection method Methods 0.000 title claims description 34
- 238000000034 method Methods 0.000 title claims description 13
- 229920006395 saturated elastomer Polymers 0.000 claims description 15
- 230000003321 amplification Effects 0.000 claims description 7
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 7
- 230000003247 decreasing effect Effects 0.000 claims description 4
- 230000007423 decrease Effects 0.000 claims 1
- 238000004891 communication Methods 0.000 description 12
- 238000010586 diagram Methods 0.000 description 6
- 230000003595 spectral effect Effects 0.000 description 5
- 238000001228 spectrum Methods 0.000 description 2
- 101000876829 Homo sapiens Protein C-ets-1 Proteins 0.000 description 1
- 102100035251 Protein C-ets-1 Human genes 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Classifications
-
- 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
- H03G3/3047—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers in modulators, frequency-changers, transmitters or power amplifiers for intermittent signals, e.g. burst signals
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- Amplifiers (AREA)
- Transmitters (AREA)
- Control Of Amplification And Gain Control (AREA)
Abstract
Description
Claims (6)
- 무선 주파수(RF) 입력 신호(209)를 중폭하는 증폭기(203,205) 및 상기 증폭기를 제어하는 제어 회로 (211,217)를 구비하는 송신기로서, 상기 증폭기는 RF 입력 신호를 증폭 제어 신호(207)에 응답하여 증폭된 RF 출력 신호로 증폭하고, 제1입력, 제2입력 및 제1출력을 갖으며, 상기 RF 입력 신호는 상기 증폭기의 제1입력에 인가되며, 상기 증폭 제어 신호는 상기 제2입력에 인가되며, 상기 증폭된 RF 출력 신호는 상기 제1출력에 인가되는 상기 송신기에 있어서, 상기 제어 회로는 ; 상기 제1출력에 결합되고 상기 증폭된 RF 출력 신호의 전력 레벨 검출에 응답하여 검출된 출력 레벨 신호(229)를 출력하는 검출기(211)와, 상기 검출기 및 상기 증폭기의 제2입력에 결합되고 상기 검출된 전력 레벨 신호 및 자동 출력 제어(AOC) 신호(231)간의 차이에 응답하여 상기 증폭 제어 신호를 출력하는 제1비교기(219)와, 상기 검출기에 결합되고 상기 검출된 전력 레벨 신호 및 AOC 신호(231)간의 차이에 응답하여 포화 검출 신호(233)를 출력하는 제2비교기(217)와, 상기 제2비교기에 결합되고 상기 포화 검출 신호에 응답하여 상기 AOC 신호(231)를 공급하는 세팅 회로(223,221)를 구비하는 것을 특징으로 하는 송신기.
- 제1항에 있어서, 상기 세팅 회로는 상기 포화 검출 신호가 포화되지 않았다는 것을 표시할 때 상기 AOC 신호의 크기를 유지시키고 상기 포화 검출 신호가 포화를 표시할 때 상기 AOC 신호의 크기를 소정 증분만큼 감소시키는 것을 특징으로 하는 송신기.
- 제1항에 있어서, 상기 세팅 회로는 디지털 신호 처리기(223) 및 디지털 대 아나로그 변환기(221)를 구비하는 것을 특징으로 하는 송신기.
- 무선 주파수(RF) 입력 신호(209)를 증폭 제어 신호(207)에 응답하여 증폭된 RF 출력 신호로 증폭하는 증폭기(203,205)를 제어하는 방법으로서, 상기 증폭기는 제1입력, 제2입력 및 제1출력을 갖으며, 상기 RF 입력 신호는 상기 증폭기의 제1입력에 인가되며, 상기 증폭 제어 신호는 상기 제2입력에 인가되며, 상기 증폭된 RF 출력 신호는 상기 제1출력에 인가되는 상기 증폭기(203,205)를 제어하는 방법에 있어서, 상기 증폭된 RF 출력 신호의 전력 레벨을 검출하는 단계(211)와, 검출된 전력 레벨 신호(229)를 발생시키는 단계(211)와, 상기 검출된 전력 레벨 신호(229)를 자동 출력 제어(AOC) 신호 (231)를 비교하는 단계(217,219)와, 상기 증폭 제어 신호 및 포화 검출 신호(233)을 출력하는 단계(217,219)와, 상기 포화 검출 신호에 응답하여 상기 AOC 신호를 세팅하는 단계(221, 223)를 포함하는 것을 특징으로 하는 증폭기 제어 방법.
- 제4항에 있어서, 상기 세팅 단계는 포화 부재시에 상기 AOC 신호의 크기를 유지시키는 단계(221,223)와, 포화가 존재시에 상기 AOC 신호의 크기를 소정 증분만큼 감소시키는 단계(223,221)를 포함하는 것을 특지으로 하는 증폭기 제어 방법.
- 제5항에 있어서, 상기 감소 단계는 ; 상기 포화 검출 신호가 포화의 존재를 표시하는 것을 결정하는 단계(503)와, 상기 AOC 신호를 제1소정 증분만큼 감소시키는 단계(505)와, 제2소정 증분만큼 대기하는 단계(507)와 상기 포화 검출 신호가 포화의 부재를 표시하는 것을 결정하는 단계(509)와, 상기 제3소정 증분만큼 상기 AOC 신호를 변경시키는 단계를 포함하는 것을 특징으로 하는 증폭기 제어 방법.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US709,737 | 1991-06-03 | ||
US07/709,737 US5278994A (en) | 1991-06-03 | 1991-06-03 | Power amplifier saturation detection and correction method and apparatus |
PCT/US1992/003765 WO1992022133A1 (en) | 1991-06-03 | 1992-05-08 | Power amplifier saturation detection and correction method and apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
KR970000157B1 true KR970000157B1 (ko) | 1997-01-04 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019930700250A KR970000157B1 (ko) | 1991-06-03 | 1992-05-08 | 전력 증폭기 포화 검출과 보정방법 및 장치 |
Country Status (15)
Country | Link |
---|---|
US (1) | US5278994A (ko) |
JP (1) | JP3228741B2 (ko) |
KR (1) | KR970000157B1 (ko) |
CN (1) | CN1024309C (ko) |
AU (1) | AU640317B2 (ko) |
CA (1) | CA2086541C (ko) |
DE (2) | DE4291720T1 (ko) |
FI (1) | FI108687B (ko) |
FR (1) | FR2677510B1 (ko) |
GB (1) | GB2270219B (ko) |
HU (1) | HU213441B (ko) |
IT (1) | IT1254374B (ko) |
SE (1) | SE515888C2 (ko) |
UA (1) | UA39094C2 (ko) |
WO (1) | WO1992022133A1 (ko) |
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US4727337A (en) * | 1987-04-24 | 1988-02-23 | Motorola, Inc. | Protection circuit for RF power amplifiers |
IT1208223B (it) * | 1987-06-18 | 1989-06-12 | Sgs Microelettronica Spa | Stadio aplificatore ad elevata dinamica con rivelazione della distorsione. |
DE3742270C1 (en) * | 1987-12-12 | 1989-02-23 | Ant Nachrichtentech | Control stage for a radio-frequency power amplifier |
NL8900507A (nl) * | 1989-03-02 | 1990-10-01 | Philips Nv | Versterkerschakeling met verzadigingsdetectie. |
GB2233517B (en) * | 1989-06-26 | 1994-04-06 | Orbitel Mobile Communications | Transmitter power control for radio telephone system |
FR2651623A1 (fr) * | 1989-09-01 | 1991-03-08 | Radiotechnique Compelec | Circuit integre presentant une detection d'etat de saturation. |
JP3112912B2 (ja) * | 1989-12-05 | 2000-11-27 | 株式会社東芝 | 高周波増幅器の電力制御回路 |
-
1991
- 1991-06-03 US US07/709,737 patent/US5278994A/en not_active Expired - Lifetime
-
1992
- 1992-05-08 AU AU19938/92A patent/AU640317B2/en not_active Ceased
- 1992-05-08 UA UA93002351A patent/UA39094C2/uk unknown
- 1992-05-08 KR KR1019930700250A patent/KR970000157B1/ko not_active IP Right Cessation
- 1992-05-08 HU HU9300277A patent/HU213441B/hu not_active IP Right Cessation
- 1992-05-08 WO PCT/US1992/003765 patent/WO1992022133A1/en active IP Right Grant
- 1992-05-08 GB GB9301616A patent/GB2270219B/en not_active Expired - Fee Related
- 1992-05-08 DE DE4291720T patent/DE4291720T1/de active Pending
- 1992-05-08 CA CA002086541A patent/CA2086541C/en not_active Expired - Fee Related
- 1992-05-08 JP JP50041593A patent/JP3228741B2/ja not_active Expired - Lifetime
- 1992-05-08 DE DE4291720A patent/DE4291720C2/de not_active Expired - Fee Related
- 1992-06-01 IT ITRM920413A patent/IT1254374B/it active
- 1992-06-03 CN CN92104271A patent/CN1024309C/zh not_active Expired - Lifetime
- 1992-06-03 FR FR9206741A patent/FR2677510B1/fr not_active Expired - Fee Related
-
1993
- 1993-01-26 FI FI930305A patent/FI108687B/fi not_active IP Right Cessation
- 1993-01-28 SE SE9300255A patent/SE515888C2/sv not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
FI108687B (fi) | 2002-02-28 |
FI930305A0 (fi) | 1993-01-26 |
JP3228741B2 (ja) | 2001-11-12 |
ITRM920413A0 (it) | 1992-06-01 |
DE4291720C2 (de) | 2001-09-13 |
DE4291720T1 (de) | 1997-07-24 |
SE515888C2 (sv) | 2001-10-22 |
HU213441B (en) | 1997-06-30 |
HU9300277D0 (en) | 1993-05-28 |
GB2270219B (en) | 1995-07-19 |
JPH05509218A (ja) | 1993-12-16 |
ITRM920413A1 (it) | 1993-12-01 |
CN1067537A (zh) | 1992-12-30 |
CA2086541C (en) | 1997-07-01 |
GB2270219A (en) | 1994-03-02 |
HUT72781A (en) | 1996-05-28 |
GB9301616D0 (en) | 1993-03-31 |
CN1024309C (zh) | 1994-04-20 |
IT1254374B (it) | 1995-09-14 |
FI930305A (fi) | 1993-01-26 |
UA39094C2 (uk) | 2001-06-15 |
US5278994A (en) | 1994-01-11 |
FR2677510B1 (fr) | 1993-12-17 |
AU640317B2 (en) | 1993-08-19 |
FR2677510A1 (fr) | 1992-12-11 |
AU1993892A (en) | 1993-01-08 |
SE9300255L (sv) | 1993-01-28 |
WO1992022133A1 (en) | 1992-12-10 |
SE9300255D0 (sv) | 1993-01-28 |
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