DK169802B1 - Kaskadekoblet, indre-impedans-afhængig forstærker med varierbar, præcis forstærkningsstyring - Google Patents
Kaskadekoblet, indre-impedans-afhængig forstærker med varierbar, præcis forstærkningsstyring Download PDFInfo
- Publication number
- DK169802B1 DK169802B1 DK409887A DK409887A DK169802B1 DK 169802 B1 DK169802 B1 DK 169802B1 DK 409887 A DK409887 A DK 409887A DK 409887 A DK409887 A DK 409887A DK 169802 B1 DK169802 B1 DK 169802B1
- Authority
- DK
- Denmark
- Prior art keywords
- amplifier
- diode
- input
- gain
- output
- Prior art date
Links
- 230000003321 amplification Effects 0.000 title description 5
- 238000003199 nucleic acid amplification method Methods 0.000 title description 5
- 230000001419 dependent effect Effects 0.000 title description 4
- 230000008878 coupling Effects 0.000 claims description 10
- 238000010168 coupling process Methods 0.000 claims description 10
- 238000005859 coupling reaction Methods 0.000 claims description 10
- 239000004020 conductor Substances 0.000 claims description 2
- 239000003990 capacitor Substances 0.000 description 6
- 230000009467 reduction Effects 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000000737 periodic effect Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 230000009466 transformation 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
-
- 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
- H03G3/3052—Automatic control in amplifiers having semiconductor devices in bandpass amplifiers (H.F. or I.F.) or in frequency-changers used in a (super)heterodyne receiver
- H03G3/3057—Automatic control in amplifiers having semiconductor devices in bandpass amplifiers (H.F. or I.F.) or in frequency-changers used in a (super)heterodyne receiver using at least one diode as controlling device
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S13/06—Systems determining position data of a target
- G01S13/42—Simultaneous measurement of distance and other co-ordinates
- G01S13/44—Monopulse radar, i.e. simultaneous lobing
- G01S13/4436—Monopulse radar, i.e. simultaneous lobing with means specially adapted to maintain the same processing characteristics between the monopulse signals
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/40—Means for monitoring or calibrating
- G01S7/4004—Means for monitoring or calibrating of parts of a radar system
- G01S7/4021—Means for monitoring or calibrating of parts of a radar system of receivers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Amplifiers (AREA)
- Control Of Amplification And Gain Control (AREA)
- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
- Attenuators (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US80962885 | 1985-12-16 | ||
| US06/809,628 US4677392A (en) | 1985-12-16 | 1985-12-16 | Cascaded internal impedance dependent amplifier with accurate variable gain control |
| PCT/US1986/001979 WO1987003755A1 (fr) | 1985-12-16 | 1986-09-22 | Amplificateur en cascade dependant de l'impedance interne et pourvu d'une commande de gain variable de precision |
| US8601979 | 1986-09-22 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DK409887A DK409887A (da) | 1987-08-06 |
| DK409887D0 DK409887D0 (da) | 1987-08-06 |
| DK169802B1 true DK169802B1 (da) | 1995-02-27 |
Family
ID=25201824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK409887A DK169802B1 (da) | 1985-12-16 | 1987-08-06 | Kaskadekoblet, indre-impedans-afhængig forstærker med varierbar, præcis forstærkningsstyring |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US4677392A (fr) |
| EP (1) | EP0250453B1 (fr) |
| JP (1) | JPS63501910A (fr) |
| KR (1) | KR900008761B1 (fr) |
| AU (1) | AU580194B2 (fr) |
| CA (1) | CA1286735C (fr) |
| DE (1) | DE3682678D1 (fr) |
| DK (1) | DK169802B1 (fr) |
| EG (1) | EG17648A (fr) |
| ES (1) | ES2002790A6 (fr) |
| IL (1) | IL80100A (fr) |
| NO (1) | NO170510C (fr) |
| WO (1) | WO1987003755A1 (fr) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4924194A (en) * | 1989-05-19 | 1990-05-08 | Motorola, Inc. | RF power amplifier |
| US5162678A (en) * | 1990-09-18 | 1992-11-10 | Silicon Systems, Inc. | Temperature compensation control circuit for exponential gain function of an agc amplifier |
| US5278519A (en) * | 1991-11-13 | 1994-01-11 | Ericsson Ge Mobile Communications Inc. | Method and apparatus for controlling RF spectral splatter into adjacent channels when activating an RF transmitter |
| US5304948A (en) * | 1992-12-11 | 1994-04-19 | Nokia Mobile Phones Ltd. | RF amplifier with linear gain control |
| US5307026A (en) * | 1992-12-11 | 1994-04-26 | Nokia Mobile Phones, Ltd. | Variable gain RF amplifier with linear gain control |
| FR2761834B1 (fr) * | 1997-04-04 | 1999-10-22 | Thomson Csf | Amplificateur avec etage d'entree en base commune |
| US6766153B2 (en) | 2001-04-02 | 2004-07-20 | Itran Communications Ltd. | Dynamic automatic gain control circuit employing kalman filtering |
| US10110183B2 (en) * | 2015-02-15 | 2018-10-23 | Skyworks Solutions, Inc. | Power amplification system with common base pre-amplifier |
| JP2017183839A (ja) * | 2016-03-28 | 2017-10-05 | 株式会社村田製作所 | 電力増幅回路 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3719831A (en) * | 1969-02-18 | 1973-03-06 | Us Air Force | Logarithmic if amplifier |
| BE789148A (fr) * | 1971-09-24 | 1973-01-15 | Dassault Electronique | Appareil recepteur a plusieurs chaines d'amplification montee en parallele |
| FR2204333A5 (fr) * | 1972-10-20 | 1974-05-17 | Thomson Csf | |
| US4275362A (en) * | 1979-03-16 | 1981-06-23 | Rca Corporation | Gain controlled amplifier using a pin diode |
| JPS573408A (en) * | 1980-06-06 | 1982-01-08 | Nec Corp | Variable gain amplifying circuit |
| JPS5791009A (en) * | 1980-11-27 | 1982-06-07 | Nec Corp | Agc control circuit |
| US4524331A (en) * | 1982-09-13 | 1985-06-18 | Orion Industries, Inc. | High input impedance amplifier circuit |
| US4464635A (en) * | 1982-11-18 | 1984-08-07 | Zenith Electronics Corporation | Non-reactive limiter |
-
1985
- 1985-12-16 US US06/809,628 patent/US4677392A/en not_active Expired - Lifetime
-
1986
- 1986-09-18 CA CA000518590A patent/CA1286735C/fr not_active Expired - Lifetime
- 1986-09-21 IL IL80100A patent/IL80100A/xx not_active IP Right Cessation
- 1986-09-22 JP JP61505180A patent/JPS63501910A/ja active Granted
- 1986-09-22 EP EP86906140A patent/EP0250453B1/fr not_active Expired - Lifetime
- 1986-09-22 KR KR1019870700723A patent/KR900008761B1/ko not_active IP Right Cessation
- 1986-09-22 DE DE8686906140T patent/DE3682678D1/de not_active Expired - Fee Related
- 1986-09-22 WO PCT/US1986/001979 patent/WO1987003755A1/fr active IP Right Grant
- 1986-09-22 AU AU64040/86A patent/AU580194B2/en not_active Ceased
- 1986-10-02 ES ES8602367A patent/ES2002790A6/es not_active Expired
- 1986-11-10 EG EG720/86A patent/EG17648A/xx active
-
1987
- 1987-07-22 NO NO873082A patent/NO170510C/no unknown
- 1987-08-06 DK DK409887A patent/DK169802B1/da not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| NO873082L (no) | 1987-07-22 |
| KR900008761B1 (ko) | 1990-11-29 |
| DE3682678D1 (de) | 1992-01-09 |
| NO170510B (no) | 1992-07-13 |
| WO1987003755A1 (fr) | 1987-06-18 |
| EP0250453A1 (fr) | 1988-01-07 |
| EP0250453B1 (fr) | 1991-11-27 |
| DK409887A (da) | 1987-08-06 |
| IL80100A0 (en) | 1986-12-31 |
| EG17648A (en) | 1990-08-30 |
| US4677392A (en) | 1987-06-30 |
| CA1286735C (fr) | 1991-07-23 |
| JPH0573285B2 (fr) | 1993-10-14 |
| KR880701044A (ko) | 1988-04-22 |
| IL80100A (en) | 1990-09-17 |
| AU580194B2 (en) | 1989-01-05 |
| ES2002790A6 (es) | 1988-10-01 |
| NO170510C (no) | 1992-10-21 |
| AU6404086A (en) | 1987-06-30 |
| JPS63501910A (ja) | 1988-07-28 |
| DK409887D0 (da) | 1987-08-06 |
| NO873082D0 (no) | 1987-07-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| B1 | Patent granted (law 1993) | ||
| PUP | Patent expired |