ITMI932482A0 - Circuito di compensazione di livello di uscita in radiofrequenza di ricetrasmettitore radio portatile - Google Patents

Circuito di compensazione di livello di uscita in radiofrequenza di ricetrasmettitore radio portatile

Info

Publication number
ITMI932482A0
ITMI932482A0 ITMI932482A ITMI932482A ITMI932482A0 IT MI932482 A0 ITMI932482 A0 IT MI932482A0 IT MI932482 A ITMI932482 A IT MI932482A IT MI932482 A ITMI932482 A IT MI932482A IT MI932482 A0 ITMI932482 A0 IT MI932482A0
Authority
IT
Italy
Prior art keywords
output level
compensation circuit
frequency output
level compensation
radio frequency
Prior art date
Application number
ITMI932482A
Other languages
English (en)
Inventor
Dong-In Ha
Original Assignee
Samsung Elecctronics Co 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 Samsung Elecctronics Co Ltd filed Critical Samsung Elecctronics Co Ltd
Publication of ITMI932482A0 publication Critical patent/ITMI932482A0/it
Publication of ITMI932482A1 publication Critical patent/ITMI932482A1/it
Application granted granted Critical
Publication of IT1265348B1 publication Critical patent/IT1265348B1/it

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • 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
IT93MI002482A 1992-11-27 1993-11-23 Circuito di compensazione di livello di uscita in radiofrequenza di ricetrasmettitore radio portatile IT1265348B1 (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019920022625A KR950007973B1 (ko) 1992-11-27 1992-11-27 휴대용 무선송수신기의 고주파 출력레벨 보상회로

Publications (3)

Publication Number Publication Date
ITMI932482A0 true ITMI932482A0 (it) 1993-11-23
ITMI932482A1 ITMI932482A1 (it) 1995-05-23
IT1265348B1 IT1265348B1 (it) 1996-11-22

Family

ID=19344141

Family Applications (1)

Application Number Title Priority Date Filing Date
IT93MI002482A IT1265348B1 (it) 1992-11-27 1993-11-23 Circuito di compensazione di livello di uscita in radiofrequenza di ricetrasmettitore radio portatile

Country Status (7)

Country Link
US (1) US5511234A (it)
KR (1) KR950007973B1 (it)
AU (1) AU673198B2 (it)
CA (1) CA2110018A1 (it)
ES (1) ES2080666B1 (it)
GB (1) GB2273632B (it)
IT (1) IT1265348B1 (it)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06265430A (ja) * 1993-03-11 1994-09-22 Nissan Motor Co Ltd 筒内圧センサ
KR0123205B1 (ko) * 1994-12-30 1997-11-19 김주용 위성통신 송신기의 자동이득조절회로
US5701338A (en) * 1995-04-11 1997-12-23 Dnb Dataware Sciences, Inc. Technologies Call box with keyboard communication
US5862493A (en) * 1996-03-13 1999-01-19 Motorola, Inc. External power source to main battery power sources switch
US5898908A (en) * 1996-10-09 1999-04-27 Ericsson, Inc. RF gain enhancement for cellular telephone
US6230031B1 (en) 1997-03-31 2001-05-08 Oki Telecom, Inc. Power amplifying circuitry for wireless radio transceivers
JP3415431B2 (ja) * 1998-03-20 2003-06-09 株式会社東芝 無線送受信機とその受信高周波ユニット及び制御ユニット
FR2781928B1 (fr) * 1998-07-28 2000-12-08 Opsis Dispositif comprenant une puce semi-conductrice a substrat originel isolant et transparent
TW512595B (en) * 1999-03-04 2002-12-01 Benq Corp Signal transmission circuit for wireless cellular phone
US6701138B2 (en) * 2001-06-11 2004-03-02 Rf Micro Devices, Inc. Power amplifier control
US6724252B2 (en) * 2002-02-21 2004-04-20 Rf Micro Devices, Inc. Switched gain amplifier circuit
FI20020990A (fi) * 2002-05-27 2003-11-28 Nokia Corp Menetelmä signaalin tehon säätämiseksi radiojärjestelmän lähettimessä ja radiojärjestelmän lähetin
US20040070454A1 (en) * 2002-10-15 2004-04-15 Triquint Semiconductor, Inc. Continuous bias circuit and method for an amplifier
US6701134B1 (en) 2002-11-05 2004-03-02 Rf Micro Devices, Inc. Increased dynamic range for power amplifiers used with polar modulation
US7177370B2 (en) * 2003-12-17 2007-02-13 Triquint Semiconductor, Inc. Method and architecture for dual-mode linear and saturated power amplifier operation
US7109791B1 (en) 2004-07-09 2006-09-19 Rf Micro Devices, Inc. Tailored collector voltage to minimize variation in AM to PM distortion in a power amplifier
US7336127B2 (en) * 2005-06-10 2008-02-26 Rf Micro Devices, Inc. Doherty amplifier configuration for a collector controlled power amplifier
US7330071B1 (en) 2005-10-19 2008-02-12 Rf Micro Devices, Inc. High efficiency radio frequency power amplifier having an extended dynamic range
JP4869036B2 (ja) * 2006-11-20 2012-02-01 京セラ株式会社 音声通話装置

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
JPS60223231A (ja) * 1984-04-19 1985-11-07 Nec Corp 無線通信機
US4636741A (en) * 1985-11-01 1987-01-13 Motorola, Inc. Multi-level power amplifying circuitry for portable radio transceivers
JPH01220919A (ja) * 1988-02-29 1989-09-04 Toshiba Corp 無線電話装置
US5203020A (en) * 1988-06-14 1993-04-13 Kabushiki Kaisha Toshiba Method and apparatus for reducing power consumption in a radio telecommunication apparatus
US4989260A (en) * 1989-05-17 1991-01-29 The Quaker Oats Company Transmitter with power reduction to compensate for varying radiated electric field strength when switching between batteries and AC power
US5036532A (en) * 1989-08-03 1991-07-30 Motorola, Inc. Portable telephone with power source/mode change during calls
JPH0775324B2 (ja) * 1989-08-18 1995-08-09 日本電気株式会社 携帯無線機
JPH04239251A (ja) * 1991-01-11 1992-08-27 Toshiba Corp 無線電話装置アダプタ

Also Published As

Publication number Publication date
ES2080666R (it) 1996-12-01
GB2273632A (en) 1994-06-22
CA2110018A1 (en) 1994-05-28
GB9324541D0 (en) 1994-01-19
US5511234A (en) 1996-04-23
ITMI932482A1 (it) 1995-05-23
GB2273632B (en) 1996-11-27
AU5024493A (en) 1994-06-09
IT1265348B1 (it) 1996-11-22
AU673198B2 (en) 1996-10-31
KR940012887A (ko) 1994-06-24
KR950007973B1 (ko) 1995-07-21
ES2080666A2 (es) 1996-02-01
ES2080666B1 (es) 1997-06-16

Similar Documents

Publication Publication Date Title
ITMI932482A0 (it) Circuito di compensazione di livello di uscita in radiofrequenza di ricetrasmettitore radio portatile
DE69317866T2 (de) Verzerrungskompensationsschaltung von Hochfrequenzleistungsverstärker
DE69428684T2 (de) Thermisch-leitendes gehaeuse fuer integrierte schaltungen mit radiofrequenz-abschirmung
NO921087L (no) Radiofrekvens-effektforsterkeranordning
DK0469741T3 (da) Radiofrekvensapparat
FI935543A (fi) Cdma frekvensallokering
DE69119821T2 (de) Tragbares Funktelefon
DE69132788D1 (de) Tragbares Funkfernsprechgerät
IT1271533B (it) Profili di utenti di telefoni portatili
EP0475116A3 (en) Monolithically realizable radio frequency bias choke
FI935258A (fi) Radiofrekvent felindikering och -korrigeringssystem
DE69315542T2 (de) Portables Funkgerät
DE69429065D1 (de) Hochfrequenz-Sperrschaltung
DE69326742T2 (de) Oszillatorschaltung
FI925621A (fi) Radiovastaanottimen virityspiirien viritys
EP0450316A3 (en) High frequency transistor power amplifier
KR940004594U (ko) 변동주파수 보상회로
KR950021846U (ko) 다중무선 송수신 장치의 중간주파수 출력감시 및 표시회로
KR950012841U (ko) 발진 주파수 안정화 회로
KR950021820U (ko) 수정 발진회로의 주파수 보정회로
KR920003561U (ko) 무선전화 송수신기의 전화기 접속회로
KR920015912U (ko) 무선전화기에서의 송수신 주파수 합성회로
KR940004513U (ko) 주파수 가변용 발진회로
KR920004387U (ko) 휴대용 휴지통의 구조
KR940013698U (ko) 튜너의 전원단자

Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19971126