DE3683848D1 - Mehrpegelleistungsverstaerkerschaltung fuer tragbare rundfunkempfaenger. - Google Patents

Mehrpegelleistungsverstaerkerschaltung fuer tragbare rundfunkempfaenger.

Info

Publication number
DE3683848D1
DE3683848D1 DE8686906589T DE3683848T DE3683848D1 DE 3683848 D1 DE3683848 D1 DE 3683848D1 DE 8686906589 T DE8686906589 T DE 8686906589T DE 3683848 T DE3683848 T DE 3683848T DE 3683848 D1 DE3683848 D1 DE 3683848D1
Authority
DE
Germany
Prior art keywords
power amplifier
amplifier circuit
level power
broadcast receivers
portable broadcast
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.)
Expired - Lifetime
Application number
DE8686906589T
Other languages
English (en)
Inventor
Edward Mitzlaff
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Motorola Solutions Inc
Original Assignee
Motorola Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=25161452&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE3683848(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Motorola Inc filed Critical Motorola Inc
Application granted granted Critical
Publication of DE3683848D1 publication Critical patent/DE3683848D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/3827—Portable transceivers
    • H04B1/3877—Arrangements for enabling portable transceivers to be used in a fixed position, e.g. cradles or boosters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • 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
    • 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
    • H03F1/0233—Continuous control by using a signal derived from the output signal, e.g. bootstrapping the voltage supply

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transmitters (AREA)
  • Amplifiers (AREA)
  • Transceivers (AREA)
DE8686906589T 1985-11-01 1986-10-08 Mehrpegelleistungsverstaerkerschaltung fuer tragbare rundfunkempfaenger. Expired - Lifetime DE3683848D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/794,026 US4636741A (en) 1985-11-01 1985-11-01 Multi-level power amplifying circuitry for portable radio transceivers
PCT/US1986/002140 WO1987002843A1 (en) 1985-11-01 1986-10-08 Multi-level power amplifying circuitry for portable radio transceivers

Publications (1)

Publication Number Publication Date
DE3683848D1 true DE3683848D1 (de) 1992-03-19

Family

ID=25161452

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8686906589T Expired - Lifetime DE3683848D1 (de) 1985-11-01 1986-10-08 Mehrpegelleistungsverstaerkerschaltung fuer tragbare rundfunkempfaenger.

Country Status (10)

Country Link
US (1) US4636741A (de)
EP (1) EP0248033B1 (de)
JP (1) JP2579473B2 (de)
KR (1) KR960002390B1 (de)
CN (1) CN1006269B (de)
AU (1) AU582078B2 (de)
CA (1) CA1264067A (de)
DE (1) DE3683848D1 (de)
IL (1) IL80141A (de)
WO (1) WO1987002843A1 (de)

Families Citing this family (112)

* Cited by examiner, † Cited by third party
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JPS6485431A (en) * 1987-09-28 1989-03-30 Toshiba Corp Radio telephone system
US5029233A (en) * 1987-10-09 1991-07-02 Motorola, Inc. Radio arrangement having two radios sharing circuitry
US4882579A (en) * 1988-01-07 1989-11-21 Motorola, Inc. Code division multiplexed acknowledge back paging system
US4891637A (en) * 1988-01-07 1990-01-02 Motorola, Inc. Acknowledge back pager with apparatus for controlling transmit frequency
US4825193A (en) * 1988-01-07 1989-04-25 Motorola, Inc. Acknowledge back pager with adaptive variable transmitter output power
US4823123A (en) * 1988-01-07 1989-04-18 Motorola, Inc. Knowledge back pager with frequency control apparatus
US4875038A (en) * 1988-01-07 1989-10-17 Motorola, Inc. Frequency division multiplexed acknowledge back paging system
JPH0650825B2 (ja) * 1988-01-29 1994-06-29 日本電気株式会社 無線電話装置
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JPH0759109B2 (ja) * 1988-04-20 1995-06-21 日本電気株式会社 終話処理機能付自動車電話端末機
US5203020A (en) * 1988-06-14 1993-04-13 Kabushiki Kaisha Toshiba Method and apparatus for reducing power consumption in a radio telecommunication apparatus
JP2583578B2 (ja) * 1988-07-01 1997-02-19 三菱電機株式会社 ポケット電話機
US5150031A (en) * 1988-09-30 1992-09-22 Motorola, Inc. Battery charging system
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JP3058923B2 (ja) * 1991-01-11 2000-07-04 株式会社東芝 無線電話装置アダプタ
EP0494780B1 (de) * 1991-01-11 1997-03-26 Kabushiki Kaisha Toshiba Adapter zur Versorgung eines transportablen Funktelefons mit Spannung
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DE69321858T2 (de) * 1992-03-06 1999-05-12 Fujitsu Ltd., Kawasaki, Kanagawa Adapter zum Koppeln eines tragbaren Funktelefons an ein Mobiltelefon
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JP2570588B2 (ja) * 1993-07-29 1997-01-08 日本電気株式会社 送受信装置
JP3158833B2 (ja) * 1994-01-27 2001-04-23 三菱電機株式会社 移動無線装置
US5629599A (en) * 1994-05-31 1997-05-13 Motorola, Inc. Rechargeable battery-powered communication device having integral vibrating means
US5697074A (en) * 1995-03-30 1997-12-09 Nokia Mobile Phones Limited Dual rate power control loop for a transmitter
US5732335A (en) * 1995-04-28 1998-03-24 Telefonaktiebolaget Lm Ericsson Externally controlled output power by means of antenna keying
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Also Published As

Publication number Publication date
KR960002390B1 (ko) 1996-02-16
AU582078B2 (en) 1989-03-09
IL80141A0 (en) 1986-12-31
EP0248033A4 (de) 1987-11-02
CN86107133A (zh) 1987-06-10
JPS63501258A (ja) 1988-05-12
CA1264067A (en) 1989-12-27
EP0248033A1 (de) 1987-12-09
CN1006269B (zh) 1989-12-27
US4636741A (en) 1987-01-13
IL80141A (en) 1990-07-12
AU6543986A (en) 1987-05-19
WO1987002843A1 (en) 1987-05-07
KR880700537A (ko) 1988-03-15
EP0248033B1 (de) 1992-02-05
JP2579473B2 (ja) 1997-02-05

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Legal Events

Date Code Title Description
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