BR9406607A - Conjunto de circuitos de detecção de sinal de radiofrequència comjunto de circuitos de transmissão para amplificar sinal de radiofrequència e conjunto de circuitos de transmissão em telefone celular para amplificar sinal de radiofrequència - Google Patents

Conjunto de circuitos de detecção de sinal de radiofrequència comjunto de circuitos de transmissão para amplificar sinal de radiofrequència e conjunto de circuitos de transmissão em telefone celular para amplificar sinal de radiofrequència

Info

Publication number
BR9406607A
BR9406607A BR9406607A BR9406607A BR9406607A BR 9406607 A BR9406607 A BR 9406607A BR 9406607 A BR9406607 A BR 9406607A BR 9406607 A BR9406607 A BR 9406607A BR 9406607 A BR9406607 A BR 9406607A
Authority
BR
Brazil
Prior art keywords
radio frequency
frequency signal
circuitry
amplify
transmission circuitry
Prior art date
Application number
BR9406607A
Other languages
English (en)
Inventor
Thomas D Nagode
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
Application filed by Motorola Inc filed Critical Motorola Inc
Publication of BR9406607A publication Critical patent/BR9406607A/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • 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
    • 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
    • H04B1/02—Transmitters
    • H04B1/04—Circuits
    • H04B1/0458—Arrangements for matching and coupling between power amplifier and antenna or between amplifying stages

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transmitters (AREA)
  • Amplifiers (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
BR9406607A 1993-11-09 1994-10-03 Conjunto de circuitos de detecção de sinal de radiofrequència comjunto de circuitos de transmissão para amplificar sinal de radiofrequència e conjunto de circuitos de transmissão em telefone celular para amplificar sinal de radiofrequència BR9406607A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/149,483 US5530922A (en) 1993-11-09 1993-11-09 Power detector with matching impedance for radio frequency signal amplifiers
PCT/US1994/011178 WO1995013662A1 (en) 1993-11-09 1994-10-03 Power detector with matching impedance for amplifier

Publications (1)

Publication Number Publication Date
BR9406607A true BR9406607A (pt) 1996-01-09

Family

ID=22530488

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9406607A BR9406607A (pt) 1993-11-09 1994-10-03 Conjunto de circuitos de detecção de sinal de radiofrequència comjunto de circuitos de transmissão para amplificar sinal de radiofrequència e conjunto de circuitos de transmissão em telefone celular para amplificar sinal de radiofrequència

Country Status (11)

Country Link
US (1) US5530922A (pt)
JP (1) JP3188710B2 (pt)
KR (1) KR0166659B1 (pt)
CN (1) CN1049082C (pt)
AU (1) AU8012694A (pt)
BR (1) BR9406607A (pt)
CA (1) CA2152811C (pt)
DE (1) DE4498742T1 (pt)
GB (1) GB2289133B (pt)
SG (1) SG46658A1 (pt)
WO (1) WO1995013662A1 (pt)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100201808B1 (ko) * 1995-12-28 1999-06-15 윤종용 무선송신기의 고조파 억압용 저역통과 필터
GB2318004A (en) * 1996-10-01 1998-04-08 Nokia Mobile Phones Ltd A diode detector
JP3885909B2 (ja) * 1997-07-25 2007-02-28 ソニー株式会社 電力検出装置
US6108527A (en) * 1997-07-31 2000-08-22 Lucent Technologies, Inc. Wide range multiple band RF power detector
US6236271B1 (en) * 1997-09-30 2001-05-22 Conexant Systems, Inc. Multi-layer carrier module for power amplifier systems within a digital cellular telephone
JP2000312122A (ja) * 1999-04-27 2000-11-07 Fujitsu Quantum Devices Ltd 高周波入力整合回路装置及び高周波出力整合回路装置及び、半導体集積回路
US6259318B1 (en) * 1999-05-28 2001-07-10 Motorola, Inc. Method for extending the liner range of an amplifier
US6448855B1 (en) * 2000-04-13 2002-09-10 Koninklijke Philips Electronics N.V. Accurate power detection circuit for use in a power amplifier
US7317902B2 (en) * 2001-06-28 2008-01-08 Harris Corporation Successive log video pad power detector and method
US6417730B1 (en) * 2000-11-29 2002-07-09 Harris Corporation Automatic gain control system and related method
KR100444215B1 (ko) * 2000-12-19 2004-08-16 삼성전기주식회사 다층형 칩 방향성 결합기
JP2005507489A (ja) * 2001-02-23 2005-03-17 ジェニコン サイエンスィズ コーポレーション 検体分析において拡張ダイナミックレンジを提供する方法
FR2840467A1 (fr) * 2002-05-28 2003-12-05 St Microelectronics Sa Coupleur haute frequence
US6894476B2 (en) * 2003-05-15 2005-05-17 Skyworks Solutions, Inc. Efficient coupler detector circuit with reduced harmonic distortion
JP4518787B2 (ja) * 2003-12-18 2010-08-04 富士通株式会社 タグ読み取り方法及びタグ読み取り装置
JP4134129B2 (ja) * 2004-10-28 2008-08-13 Ｔｄｋ株式会社 高周波モジュール
EP1831995B1 (en) * 2004-12-21 2013-05-29 Nxp B.V. A power device and a method for controlling a power device
JP4750463B2 (ja) * 2005-05-11 2011-08-17 ルネサスエレクトロニクス株式会社 高周波電力増幅器およびそれを用いた送信器および移動体通信端末
US7446626B2 (en) * 2006-09-08 2008-11-04 Stmicroelectronics Ltd. Directional couplers for RF power detection
US9379678B2 (en) * 2012-04-23 2016-06-28 Qualcomm Incorporated Integrated directional coupler within an RF matching network
CN104849543A (zh) * 2014-02-18 2015-08-19 中国科学院微电子研究所 一种射频功率检测电路
KR102117472B1 (ko) 2015-03-16 2020-06-09 삼성전기주식회사 검출회로 및 파워 증폭기
US9602091B1 (en) * 2015-12-03 2017-03-21 Peregrine Semiconductor Corporation Low phase shift, high frequency attenuator
US10182116B2 (en) * 2016-05-10 2019-01-15 Texas Instruments Incorporated Contactless communication for battery information
CN112994623B (zh) * 2021-05-10 2021-08-20 杭州中科微电子有限公司 一种应用于功率放大器的功率检测电路

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JPS6041821A (ja) * 1983-08-18 1985-03-05 Nec Corp 送信出力電力制御装置
US4607323A (en) * 1984-04-17 1986-08-19 Sokal Nathan O Class E high-frequency high-efficiency dc/dc power converter
US5043672A (en) * 1990-03-26 1991-08-27 Novatel Communications Ltd. Power detector utilizing bias voltage divider for precision control of an amplifier
JPH0425220A (ja) * 1990-05-21 1992-01-29 Toshiba Corp 自動電力制御回路
FR2668971A1 (fr) * 1990-11-14 1992-05-15 Merlin Gerin Boitier de protection d'un automate industriel.
CA2072582C (en) * 1990-12-20 1996-04-09 Thomas J. Walczak Power control circuitry for a tdma radio frequency transmitter
US5230093A (en) * 1991-05-03 1993-07-20 Rich Randall W Transmitter filter with integral directional coupler for cellular telephones
US5212815A (en) * 1991-09-03 1993-05-18 Motorola, Inc. Radio equipment directional coupler

Also Published As

Publication number Publication date
US5530922A (en) 1996-06-25
GB2289133B (en) 1998-01-07
GB2289133A (en) 1995-11-08
CA2152811C (en) 2000-06-13
CA2152811A1 (en) 1995-05-18
SG46658A1 (en) 1998-02-20
GB9513641D0 (en) 1995-09-06
JP3188710B2 (ja) 2001-07-16
CN1116468A (zh) 1996-02-07
KR0166659B1 (en) 1999-02-01
CN1049082C (zh) 2000-02-02
JPH08505751A (ja) 1996-06-18
AU8012694A (en) 1995-05-29
DE4498742T1 (de) 1995-12-07
WO1995013662A1 (en) 1995-05-18

Similar Documents

Publication Publication Date Title
FI963443A0 (fi) Lähetin ja vastaanotin, joissa on CCD:hen perustuva signaalinkäsittely
BR9401376A (pt) Circuitos de detecção acoplados a sinal de radiofrequência, transmissor de sinal RF de radiofrequência, circuitos de detecção e raiotransceptor
FI962895L (fi) Järjestely radiotaajuisen signaalin lähettämiseksi ja vastaanottamiseksi kahdella taajuusalueella
DK48795A (da) Radiokommunikationssystem med direkte adgang til centralforbindelseskredsløb og interface til samme
FI953268A7 (fi) Parannettu unitila radioliikennejärjestelmissä
DE69330951D1 (de) Funkempfänger mit Aufnahme- und Wiedergabefunktion
EP0599500A3 (en) Frequency diversity transmitters and receivers.
FI945235A0 (fi) Monikanavainen digitaalinen lähetin ja vastaanotin
DE69709566D1 (de) Rundfunk- und Kommunikations-Empfangsgerät
BR9405982A (pt) Conjunto de circuitos de acoplador de sinal de radiofrequência e conjunto de circuitos de transmissão para amplificar sinal de radiofrequência e conjunto de circuitos de transmissão em telefone celular para amplificar sinal de radiofrequência
DE69124069D1 (de) Kombinierters Rundfunkempfänger- und Funktelefongerät
FI941854A7 (fi) Signaalitasosäädön käsittävä suurtaajuusvahvistin ja tällä varustettu radiolähetin
DE4498742T1 (de) Leistungsdetektor mit Anpassungsimpedanz für Funkfrequenzsignalverstärker
DE69714634D1 (de) Funkdatensender und -empfänger
DE69429312D1 (de) Signalkompressionschaltung und optischer Sender
EE04410B1 (et) Mobiilsideseade ja raadiosaatja selle mobiilsideseadmega ühenduse pidamiseks
EP0428173A3 (en) Radio frequency signal amplifying circuit in radio receiver
IT9022179A0 (it) Serratura cilindrica con trasmissione di segnali fra chiave e cilindro
AU3781895A (en) Signal processing device with magnetism antenna and key device with the signal processing device
DE69726657T2 (de) radio receiver with RF amplifier
DE69018179D1 (de) Empfängerschaltung mit erstem und zweitem Verstärker.
DE69426522D1 (de) Schnelles Koaxialkontakt- und Signalübertragungselement
DE69405043D1 (de) Endstufenrelaismatrix mit Fehlererkennungs- und Übertragungsfunktionen
DE69423943D1 (de) Erkennung eines Funkrufsignals in einer frequenzmodulierten Runkfunkübertragung
DE59409603D1 (de) Zellulares mobilfunksystem mit verbesserter verbindungsübergabe

Legal Events

Date Code Title Description
EG Technical examination (opinion): publication of technical examination (opinion)
FC Decision: refusal