FI92531B - Högfrekvensdetektor med stor dynamik - Google Patents

Högfrekvensdetektor med stor dynamik Download PDF

Info

Publication number
FI92531B
FI92531B FI913529A FI913529A FI92531B FI 92531 B FI92531 B FI 92531B FI 913529 A FI913529 A FI 913529A FI 913529 A FI913529 A FI 913529A FI 92531 B FI92531 B FI 92531B
Authority
FI
Finland
Prior art keywords
detector
voltage
transistor
output voltage
high frequency
Prior art date
Application number
FI913529A
Other languages
English (en)
Finnish (fi)
Other versions
FI92531C (sv
FI913529A (sv
FI913529A0 (sv
Inventor
Timo Saarnimo
Mika Niemioe
Original Assignee
Nokia Mobile Phones Ltd
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 Nokia Mobile Phones Ltd filed Critical Nokia Mobile Phones Ltd
Priority to FI913529A priority Critical patent/FI92531C/sv
Publication of FI913529A0 publication Critical patent/FI913529A0/sv
Priority to EP92306699A priority patent/EP0524806B1/en
Priority to US07/918,546 priority patent/US5291150A/en
Priority to DE69222900T priority patent/DE69222900T2/de
Publication of FI913529A publication Critical patent/FI913529A/sv
Application granted granted Critical
Publication of FI92531B publication Critical patent/FI92531B/sv
Priority to EE9400354A priority patent/EE03246B1/xx
Publication of FI92531C publication Critical patent/FI92531C/sv

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

Landscapes

  • Amplifiers (AREA)
  • Transmitters (AREA)
  • Control Of Amplification And Gain Control (AREA)
FI913529A 1991-07-23 1991-07-23 Högfrekvensdetektor med stor dynamik FI92531C (sv)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FI913529A FI92531C (sv) 1991-07-23 1991-07-23 Högfrekvensdetektor med stor dynamik
EP92306699A EP0524806B1 (en) 1991-07-23 1992-07-22 Control circuitry for an RF signal amplifier
US07/918,546 US5291150A (en) 1991-07-23 1992-07-22 Control circuitry for an RF signal amplifier
DE69222900T DE69222900T2 (de) 1991-07-23 1992-07-22 Regelschaltung für einen RF-Verstärker
EE9400354A EE03246B1 (et) 1991-07-23 1994-11-23 Laia dünaamikaga kõrgsagedusdetektor

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI913529 1991-07-23
FI913529A FI92531C (sv) 1991-07-23 1991-07-23 Högfrekvensdetektor med stor dynamik

Publications (4)

Publication Number Publication Date
FI913529A0 FI913529A0 (sv) 1991-07-23
FI913529A FI913529A (sv) 1993-01-24
FI92531B true FI92531B (sv) 1994-08-15
FI92531C FI92531C (sv) 1994-11-25

Family

ID=8532919

Family Applications (1)

Application Number Title Priority Date Filing Date
FI913529A FI92531C (sv) 1991-07-23 1991-07-23 Högfrekvensdetektor med stor dynamik

Country Status (5)

Country Link
US (1) US5291150A (sv)
EP (1) EP0524806B1 (sv)
DE (1) DE69222900T2 (sv)
EE (1) EE03246B1 (sv)
FI (1) FI92531C (sv)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI92531C (sv) * 1991-07-23 1994-11-25 Nokia Mobile Phones Ltd Högfrekvensdetektor med stor dynamik
FI930632A (sv) * 1993-02-12 1994-08-13 Nokia Mobile Phones Ltd Koppling foer reglering av effekten hos en saendarfoerstaerkare
FI97179C (sv) * 1994-06-15 1996-10-25 Nokia Mobile Phones Ltd Reglering av utgångseffekten hos en pulserad sändare samt formning av effektens enveloppkurva
FI105865B (sv) * 1994-11-14 2000-10-13 Nokia Mobile Phones Ltd Förfarande och koppling för effektreglering och linearisering av sändningsignalen i en radioapparat
GB2296145B (en) * 1994-12-15 1999-09-22 Nokia Mobile Phones Ltd Radio transmitters and methods of operation
FI101505B1 (sv) * 1995-05-10 1998-06-30 Nokia Mobile Phones Ltd Förfarande för förbättring av effektmätning genom en riktkopplare vid låga effektnivåer
US5752172A (en) * 1996-08-16 1998-05-12 Nokia Mobile Phones Limited Distributed transmitter output power control circuit and method for a radio telephone
FI963389A (sv) * 1996-08-30 1998-03-01 Nokia Mobile Phones Ltd Anvisningssystem för handportabel telefon
DE19645508A1 (de) * 1996-11-05 1998-05-07 Philips Patentverwaltung Schaltungsanordnung zur Hochfrequenzpegelregelung
FI106759B (sv) 1996-11-13 2001-03-30 Nokia Mobile Phones Ltd Begränsningssystem för en mobilteleapparats sändningseffekt
US6173160B1 (en) 1996-11-18 2001-01-09 Nokia Mobile Phones Limited Mobile station having drift-free pulsed power detection method and apparatus
FI108177B (sv) * 1997-01-03 2001-11-30 Nokia Mobile Phones Ltd Sändare för mobila teleanordningar
US5884149A (en) * 1997-02-13 1999-03-16 Nokia Mobile Phones Limited Mobile station having dual band RF detector and gain control
EP0895351B1 (en) * 1997-07-31 2005-05-11 Matsushita Electric Industrial Co., Ltd. Automatic microwave gain control device
JP2000286915A (ja) * 1999-03-31 2000-10-13 Toshiba Corp 信号変調回路及び信号変調方法
US6836184B1 (en) 1999-07-02 2004-12-28 Adc Telecommunications, Inc. Network amplifier with microprocessor control
FR2820911B1 (fr) * 2001-02-13 2003-05-30 Sagem Procede d'egalisation de symboles de donnees recus par un modem et modem pour la mise en oeuvre du procede
US7512386B2 (en) * 2003-08-29 2009-03-31 Nokia Corporation Method and apparatus providing integrated load matching using adaptive power amplifier compensation
US8217717B1 (en) * 2010-09-10 2012-07-10 Rf Micro Devices, Inc. Linear detector with added diode feedback loop
US9746505B2 (en) * 2014-12-01 2017-08-29 Silicon Laboratories, Inc. Radio frequency energy detection

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4158180A (en) * 1978-04-13 1979-06-12 General Electric Company Temperature control circuit
JPS5779722A (en) * 1980-11-04 1982-05-19 Matsushita Electric Ind Co Ltd Automatic gain controlling circuit
US4523155A (en) * 1983-05-04 1985-06-11 Motorola, Inc. Temperature compensated automatic output control circuitry for RF signal power amplifiers with wide dynamic range
US4602218A (en) * 1985-04-30 1986-07-22 Motorola, Inc. Automatic output control circuitry for RF power amplifiers with wide dynamic range
US4937842A (en) * 1989-02-23 1990-06-26 Motorola Inc. Self adjusting data detector
FI92531C (sv) * 1991-07-23 1994-11-25 Nokia Mobile Phones Ltd Högfrekvensdetektor med stor dynamik

Also Published As

Publication number Publication date
EP0524806B1 (en) 1997-10-29
FI92531C (sv) 1994-11-25
US5291150A (en) 1994-03-01
EE03246B1 (et) 1999-12-15
FI913529A (sv) 1993-01-24
DE69222900T2 (de) 1998-04-02
DE69222900D1 (de) 1997-12-04
FI913529A0 (sv) 1991-07-23
EP0524806A1 (en) 1993-01-27

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