HK18893A - Rf power control circuit - Google Patents

Rf power control circuit Download PDF

Info

Publication number
HK18893A
HK18893A HK188/93A HK18893A HK18893A HK 18893 A HK18893 A HK 18893A HK 188/93 A HK188/93 A HK 188/93A HK 18893 A HK18893 A HK 18893A HK 18893 A HK18893 A HK 18893A
Authority
HK
Hong Kong
Prior art keywords
selecting
power control
control circuit
voltage
resistors
Prior art date
Application number
HK188/93A
Other languages
English (en)
Inventor
Kobayashi Shinichi
Original Assignee
Nec Corporation
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
Application filed by Nec Corporation filed Critical Nec Corporation
Publication of HK18893A publication Critical patent/HK18893A/xx

Links

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
    • H03G3/3005—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers
    • H03G3/3026—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers the gain being discontinuously variable, e.g. controlled by switching
    • 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
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
    • H04W52/0229—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal where the received signal is a wanted signal
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Transmitters (AREA)
  • Direct Current Feeding And Distribution (AREA)
HK188/93A 1987-11-27 1993-03-11 Rf power control circuit HK18893A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62297386A JPH0654876B2 (ja) 1987-11-27 1987-11-27 高周波電力制御回路

Publications (1)

Publication Number Publication Date
HK18893A true HK18893A (en) 1993-03-19

Family

ID=17845817

Family Applications (1)

Application Number Title Priority Date Filing Date
HK188/93A HK18893A (en) 1987-11-27 1993-03-11 Rf power control circuit

Country Status (7)

Country Link
US (1) US4853612A (ja)
JP (1) JPH0654876B2 (ja)
AU (1) AU602649B2 (ja)
CA (1) CA1276985C (ja)
GB (1) GB2213002B (ja)
HK (1) HK18893A (ja)
SG (1) SG127592G (ja)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07101852B2 (ja) * 1990-06-08 1995-11-01 三菱電機株式会社 送信電力制御回路
US5084666A (en) * 1990-10-23 1992-01-28 International Business Machines Corporation Switchable output voltage converter
GB2258370B (en) * 1991-08-02 1995-09-06 Technophone Ltd Cellular telephone
US5817092A (en) * 1995-11-09 1998-10-06 Radio Therapeutics Corporation Apparatus, system and method for delivering radio frequency energy to a treatment site

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2999202A (en) * 1956-06-04 1961-09-05 Gilfillan Bros Inc Voltage divider setting device
GB1053011A (ja) * 1964-01-24
US4414501A (en) * 1981-05-26 1983-11-08 General Electric Company Programmable signal amplitude control circuits
JPS63226124A (ja) * 1986-10-29 1988-09-20 Oki Electric Ind Co Ltd 無線装置用レベル制御回路

Also Published As

Publication number Publication date
US4853612A (en) 1989-08-01
JPH0654876B2 (ja) 1994-07-20
JPH01140817A (ja) 1989-06-02
AU2592888A (en) 1989-06-01
AU602649B2 (en) 1990-10-18
CA1276985C (en) 1990-11-27
SG127592G (en) 1993-03-12
GB8827506D0 (en) 1988-12-29
GB2213002A (en) 1989-08-02
GB2213002B (en) 1991-08-07

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Legal Events

Date Code Title Description
PF Patent in force
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20041124