GB0013867D0 - Radio frequency (FR) detection circuit - Google Patents

Radio frequency (FR) detection circuit

Info

Publication number
GB0013867D0
GB0013867D0 GB0013867A GB0013867A GB0013867D0 GB 0013867 D0 GB0013867 D0 GB 0013867D0 GB 0013867 A GB0013867 A GB 0013867A GB 0013867 A GB0013867 A GB 0013867A GB 0013867 D0 GB0013867 D0 GB 0013867D0
Authority
GB
United Kingdom
Prior art keywords
radio frequency
detection circuit
detection
radio
circuit
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.)
Granted
Application number
GB0013867A
Other versions
GB2350955A (en
GB2350955B (en
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.)
NEC Corp
Original Assignee
NEC Corp
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 Corp filed Critical NEC Corp
Priority to GB0113885A priority Critical patent/GB2359678B/en
Publication of GB0013867D0 publication Critical patent/GB0013867D0/en
Publication of GB2350955A publication Critical patent/GB2350955A/en
Application granted granted Critical
Publication of GB2350955B publication Critical patent/GB2350955B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • H03G3/3036—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
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D1/00—Demodulation of amplitude-modulated oscillations
    • H03D1/08—Demodulation of amplitude-modulated oscillations by means of non-linear two-pole elements
    • H03D1/10—Demodulation of amplitude-modulated oscillations by means of non-linear two-pole elements of diodes
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transmitters (AREA)
GB0013867A 1999-06-08 2000-06-07 Radio frequency (RF) detection circuit Expired - Fee Related GB2350955B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0113885A GB2359678B (en) 1999-06-08 2000-06-07 Radio frequency (RF) detection circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11161592A JP2000349657A (en) 1999-06-08 1999-06-08 Rf detection circuit

Publications (3)

Publication Number Publication Date
GB0013867D0 true GB0013867D0 (en) 2000-08-02
GB2350955A GB2350955A (en) 2000-12-13
GB2350955B GB2350955B (en) 2001-08-29

Family

ID=15738078

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0013867A Expired - Fee Related GB2350955B (en) 1999-06-08 2000-06-07 Radio frequency (RF) detection circuit

Country Status (3)

Country Link
JP (1) JP2000349657A (en)
AU (1) AU747958B2 (en)
GB (1) GB2350955B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001016116A (en) 1999-07-02 2001-01-19 Nec Corp Portable radio equipment
CA2417539A1 (en) * 2000-07-28 2002-02-07 Harris Corporation Successive log video pad power detector and method
US7317902B2 (en) 2001-06-28 2008-01-08 Harris Corporation Successive log video pad power detector and method
JP4365541B2 (en) * 2001-04-18 2009-11-18 アルプス電気株式会社 Transmitter detection circuit
WO2003009481A1 (en) * 2001-07-17 2003-01-30 Mitsubishi Denki Kabushiki Kaisha Transmission power control circuit
CN106353586B (en) * 2016-10-21 2023-07-04 成都前锋电子仪器有限责任公司 Coupling detection circuit
CN107462766B (en) * 2017-08-25 2020-03-27 上海蓝瑞电气有限公司 New method for detecting mains voltage and mains frequency and detection circuit

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4791380A (en) * 1987-10-09 1988-12-13 Microphase Corporation Detector circuit with dual-diode compensation
US5126686A (en) * 1989-08-15 1992-06-30 Astec International, Ltd. RF amplifier system having multiple selectable power output levels
US5204613A (en) * 1991-05-02 1993-04-20 Wavetek Microwave, Inc. Rf power sensor having improved linearity over greater dynamic range
US6242901B1 (en) * 1999-04-09 2001-06-05 Agilent Technologies Inc. True average wide dynamic range microwave power sensor using diode stack attenuator-diode stack

Also Published As

Publication number Publication date
AU3795300A (en) 2000-12-14
GB2350955A (en) 2000-12-13
GB2350955B (en) 2001-08-29
JP2000349657A (en) 2000-12-15
AU747958B2 (en) 2002-05-30

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20070607