DE2148640B2 - Leistungsverstärkerschaltung für amplitudenmodulierte Hochfrequenzsignale - Google Patents
Leistungsverstärkerschaltung für amplitudenmodulierte HochfrequenzsignaleInfo
- Publication number
- DE2148640B2 DE2148640B2 DE2148640A DE2148640A DE2148640B2 DE 2148640 B2 DE2148640 B2 DE 2148640B2 DE 2148640 A DE2148640 A DE 2148640A DE 2148640 A DE2148640 A DE 2148640A DE 2148640 B2 DE2148640 B2 DE 2148640B2
- Authority
- DE
- Germany
- Prior art keywords
- amplifier
- power
- signal
- power amplifier
- value
- 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.)
- Withdrawn
Links
- 238000012886 linear function Methods 0.000 claims description 2
- 238000011144 upstream manufacturing Methods 0.000 claims description 2
- 230000007423 decrease Effects 0.000 claims 1
- 210000004709 eyebrow Anatomy 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
- H03F1/0205—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
- H03F1/0211—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers with control of the supply voltage or current
- H03F1/0216—Continuous control
- H03F1/0222—Continuous control by using a signal derived from the input signal
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
- H03F1/0205—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
- H03F1/0211—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers with control of the supply voltage or current
- H03F1/0216—Continuous control
- H03F1/0222—Continuous control by using a signal derived from the input signal
- H03F1/0227—Continuous control by using a signal derived from the input signal using supply converters
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/34—Negative-feedback-circuit arrangements with or without positive feedback
- H03F1/345—Negative-feedback-circuit arrangements with or without positive feedback using hybrid or directional couplers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/192—A hybrid coupler being used at the input of an amplifier circuit
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/228—A measuring circuit being coupled to the input of an amplifier
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/504—Indexing scheme relating to amplifiers the supply voltage or current being continuously controlled by a controlling signal, e.g. the controlling signal of a transistor implemented as variable resistor in a supply path for, an IC-block showed amplifier
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7036925A FR2109336A5 (US07223432-20070529-C00017.png) | 1970-10-13 | 1970-10-13 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE2148640A1 DE2148640A1 (de) | 1972-04-20 |
DE2148640B2 true DE2148640B2 (de) | 1979-11-15 |
Family
ID=9062652
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE2148640A Withdrawn DE2148640B2 (de) | 1970-10-13 | 1971-09-29 | Leistungsverstärkerschaltung für amplitudenmodulierte Hochfrequenzsignale |
Country Status (5)
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3827579A1 (de) * | 1988-08-13 | 1990-02-15 | Licentia Gmbh | Senderanordnung |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BG17928A1 (US07223432-20070529-C00017.png) * | 1972-08-25 | 1974-03-05 | ||
NO142768C (no) * | 1974-01-26 | 1980-10-08 | Licentia Gmbh | Kopling for automatisk dynamikk-kompresjon eller -ekspansjon |
DE2529012C3 (de) * | 1975-06-28 | 1980-07-03 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Schaltung zur automatischen Dynamik-Kompression oder -Expansion |
DE2904011C3 (de) * | 1979-02-02 | 1981-11-26 | SIEMENS AG AAAAA, 1000 Berlin und 8000 München | Hochfrequenzimpulsverstärker |
NL7901118A (nl) * | 1979-02-13 | 1980-08-15 | Philips Nv | Versterker bevattende een voedingsschakeling en een daarmee verbonden versterker-trap. |
US4334185A (en) * | 1980-12-18 | 1982-06-08 | Motorola, Inc. | Circuit for automatic gain control with constant response time |
US4456889A (en) * | 1981-06-04 | 1984-06-26 | The United States Of America As Represented By The Secretary Of The Navy | Dual-gate MESFET variable gain constant output power amplifier |
US4462004A (en) * | 1982-03-18 | 1984-07-24 | At&T Bell Laboratories | Dynamic class-4 FET amplifier |
US4468631A (en) * | 1982-05-24 | 1984-08-28 | Rca Corporation | Amplitude control apparatus |
EP0279694B1 (en) * | 1987-02-20 | 1992-04-29 | Victor Company Of Japan, Limited | Audio amplifier |
EP0431896B1 (en) * | 1989-12-05 | 1995-06-21 | Nec Corporation | Power amplifying unit using a power amplifying module |
JPH07101820B2 (ja) * | 1989-12-27 | 1995-11-01 | 三菱電機株式会社 | 低歪高周波増幅装置 |
DE4206352A1 (de) * | 1992-02-29 | 1993-09-02 | Deutsche Aerospace | Verfahren zum linearen verstaerken eines nutzsignals und verstaerker zum durchfuehren des verfahrens |
US6084468A (en) * | 1997-10-06 | 2000-07-04 | Motorola, Inc. | Method and apparatus for high efficiency wideband power amplification |
US6427067B1 (en) * | 1999-06-10 | 2002-07-30 | The Whitaker Corporation | Detector driven bias circuit for power transistors |
US6987851B1 (en) * | 2000-09-22 | 2006-01-17 | Ikanos Communication, Inc | Method and apparatus for a high efficiency line driver |
US7570931B2 (en) * | 2006-06-02 | 2009-08-04 | Crestcom, Inc. | RF transmitter with variably biased RF power amplifier and method therefor |
US8064851B2 (en) * | 2008-03-06 | 2011-11-22 | Crestcom, Inc. | RF transmitter with bias-signal-induced distortion compensation and method therefor |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3426266A (en) * | 1966-03-22 | 1969-02-04 | Collins Radio Co | Signal modulated self-regulated switching voltage regulatoramplifier |
US3443241A (en) * | 1967-07-07 | 1969-05-06 | Us Army | High level rf transistor distortion correction circuit |
US3486128A (en) * | 1968-02-07 | 1969-12-23 | Us Army | Power amplifier for amplitude modulated transmitter |
-
1970
- 1970-10-13 FR FR7036925A patent/FR2109336A5/fr not_active Expired
-
1971
- 1971-09-29 DE DE2148640A patent/DE2148640B2/de not_active Withdrawn
- 1971-10-06 NL NL7113693A patent/NL7113693A/xx not_active Application Discontinuation
- 1971-10-12 GB GB4752671A patent/GB1327132A/en not_active Expired
- 1971-10-13 US US00188812A patent/US3720880A/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3827579A1 (de) * | 1988-08-13 | 1990-02-15 | Licentia Gmbh | Senderanordnung |
Also Published As
Publication number | Publication date |
---|---|
GB1327132A (en) | 1973-08-15 |
FR2109336A5 (US07223432-20070529-C00017.png) | 1972-05-26 |
NL7113693A (US07223432-20070529-C00017.png) | 1972-04-17 |
US3720880A (en) | 1973-03-13 |
DE2148640A1 (de) | 1972-04-20 |
AU3440671A (en) | 1973-04-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
OD | Request for examination | ||
8239 | Disposal/non-payment of the annual fee |