ATE378731T1 - Aufwärtsfrequenzwandler für radiosysteme - Google Patents

Aufwärtsfrequenzwandler für radiosysteme

Info

Publication number
ATE378731T1
ATE378731T1 AT02425322T AT02425322T ATE378731T1 AT E378731 T1 ATE378731 T1 AT E378731T1 AT 02425322 T AT02425322 T AT 02425322T AT 02425322 T AT02425322 T AT 02425322T AT E378731 T1 ATE378731 T1 AT E378731T1
Authority
AT
Austria
Prior art keywords
signal
amplifier
converted
local oscillator
gain value
Prior art date
Application number
AT02425322T
Other languages
English (en)
Inventor
Gabriele Foltran
Maurizio Motta
Luigi Negri
Marco Piloni
Original Assignee
Siemens Spa Italiana
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 Siemens Spa Italiana filed Critical Siemens Spa Italiana
Application granted granted Critical
Publication of ATE378731T1 publication Critical patent/ATE378731T1/de

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03GCONTROL OF AMPLIFICATION
    • H03G3/00Gain control in amplifiers or frequency changers without distortion of the input signal
    • H03G3/20Automatic control
    • H03G3/30Automatic control in amplifiers having semiconductor devices
    • H03G3/3036Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers
AT02425322T 2002-05-22 2002-05-22 Aufwärtsfrequenzwandler für radiosysteme ATE378731T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP02425322A EP1365506B1 (de) 2002-05-22 2002-05-22 Aufwärtsfrequenzwandler für Radiosysteme

Publications (1)

Publication Number Publication Date
ATE378731T1 true ATE378731T1 (de) 2007-11-15

Family

ID=29286266

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02425322T ATE378731T1 (de) 2002-05-22 2002-05-22 Aufwärtsfrequenzwandler für radiosysteme

Country Status (3)

Country Link
EP (1) EP1365506B1 (de)
AT (1) ATE378731T1 (de)
DE (1) DE60223501T2 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1331310C (zh) * 2005-04-11 2007-08-08 南京理工大学 基于三支线合成网络的高功率毫米波上变频功放组件

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5493255A (en) * 1995-03-21 1996-02-20 Nokia Mobile Phones Ltd. Bias control circuit for an RF power amplifier
US5774017A (en) * 1996-06-03 1998-06-30 Anadigics, Inc. Multiple-band amplifier
US6175279B1 (en) * 1997-12-09 2001-01-16 Qualcomm Incorporated Amplifier with adjustable bias current
US6104246A (en) * 1999-05-25 2000-08-15 International Business Machines Corporation Variable gain RF amplifier with switchable bias injection and feedback

Also Published As

Publication number Publication date
DE60223501T2 (de) 2008-04-30
DE60223501D1 (de) 2007-12-27
EP1365506A1 (de) 2003-11-26
EP1365506B1 (de) 2007-11-14

Similar Documents

Publication Publication Date Title
US8218678B2 (en) Apparatus and method for digital pre-distortion, sharing feedback path in a multiple antenna wireless communication system
CN1871791B (zh) 移动终端内自动功率控制的参考信号的附加调整
US9203353B2 (en) Noise conversion gain limited RF power amplifier
US7881690B2 (en) System and method for zero intermediate frequency filtering of information communicated in wireless networks
EP1450479B1 (de) Effizienter Modulation von Hochfrequenzsignalen
CN101405934B (zh) 功率放大器中的动态偏置控制
CN100466463C (zh) 一种用于无线发射机中的设备
US8862064B2 (en) Self-testing transceiver architecture and related method
US20090253389A1 (en) Efficient power amplifier
US20060267684A1 (en) High-frequency power amplifier and radio communication equipment using the same
CN101273533B (zh) Edge收发机设备、系统及相关方法
US9331736B2 (en) Method and apparatus for processing signals at time division duplex transceiver
CN100579103C (zh) 一种无线通信设备的qam发射机单元的自动功率控制设备及方法
ATE378731T1 (de) Aufwärtsfrequenzwandler für radiosysteme
JP4137897B2 (ja) 受信装置
EP1355419A3 (de) Hochfrequenzsignalempfänger
US5781849A (en) Spurious signal reduction in RF transmitter integrated circuits
KR102019082B1 (ko) 밀리미터파 빔포밍을 위한 4채널 위상 정밀 제어 장치
KR100665865B1 (ko) 다중밴드 송수신 장치
US20110200142A1 (en) Up-Converted and Amplified Transmission Signal Using Log-Antilog
JP2011114459A (ja) 電力増幅器及びその製造方法
JP2001505395A (ja) 高周波増幅器及び通信用受信器又は送信器
JPH10242770A (ja) 増幅回路の制御方法、増幅回路、増幅回路モジュール、携帯電話機
KR100959864B1 (ko) 튜너 모듈
KR20000041309A (ko) 송신전력 증폭 장치

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties