IL80141A - Multi-level power amplifying circuitry for portable radio transceivers - Google Patents

Multi-level power amplifying circuitry for portable radio transceivers

Info

Publication number
IL80141A
IL80141A IL80141A IL8014186A IL80141A IL 80141 A IL80141 A IL 80141A IL 80141 A IL80141 A IL 80141A IL 8014186 A IL8014186 A IL 8014186A IL 80141 A IL80141 A IL 80141A
Authority
IL
Israel
Prior art keywords
portable radio
level power
power amplifying
radio transceivers
amplifying circuitry
Prior art date
Application number
IL80141A
Other languages
English (en)
Other versions
IL80141A0 (en
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=IL80141(A) "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
Publication of IL80141A0 publication Critical patent/IL80141A0/xx
Publication of IL80141A publication Critical patent/IL80141A/xx

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)
IL80141A 1985-11-01 1986-09-24 Multi-level power amplifying circuitry for portable radio transceivers IL80141A (en)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
IL80141A0 IL80141A0 (en) 1986-12-31
IL80141A true IL80141A (en) 1990-07-12

Family

ID=25161452

Family Applications (1)

Application Number Title Priority Date Filing Date
IL80141A IL80141A (en) 1985-11-01 1986-09-24 Multi-level power amplifying circuitry for portable radio transceivers

Country Status (10)

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

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US4882579A (en) * 1988-01-07 1989-11-21 Motorola, Inc. Code division multiplexed acknowledge back paging system
US4823123A (en) * 1988-01-07 1989-04-18 Motorola, Inc. Knowledge back pager with frequency control apparatus
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US5203020A (en) * 1988-06-14 1993-04-13 Kabushiki Kaisha Toshiba Method and apparatus for reducing power consumption in a radio telecommunication apparatus
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Also Published As

Publication number Publication date
EP0248033B1 (en) 1992-02-05
AU582078B2 (en) 1989-03-09
JPS63501258A (ja) 1988-05-12
KR960002390B1 (ko) 1996-02-16
WO1987002843A1 (en) 1987-05-07
US4636741A (en) 1987-01-13
EP0248033A1 (en) 1987-12-09
IL80141A0 (en) 1986-12-31
CN86107133A (zh) 1987-06-10
DE3683848D1 (de) 1992-03-19
EP0248033A4 (en) 1987-11-02
JP2579473B2 (ja) 1997-02-05
KR880700537A (ko) 1988-03-15
AU6543986A (en) 1987-05-19
CA1264067A (en) 1989-12-27
CN1006269B (zh) 1989-12-27

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