JP4547084B2 - 移動体通信機および送受信機 - Google Patents

移動体通信機および送受信機 Download PDF

Info

Publication number
JP4547084B2
JP4547084B2 JP2000352553A JP2000352553A JP4547084B2 JP 4547084 B2 JP4547084 B2 JP 4547084B2 JP 2000352553 A JP2000352553 A JP 2000352553A JP 2000352553 A JP2000352553 A JP 2000352553A JP 4547084 B2 JP4547084 B2 JP 4547084B2
Authority
JP
Japan
Prior art keywords
signal
output
variable gain
low
frequency
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.)
Expired - Lifetime
Application number
JP2000352553A
Other languages
English (en)
Japanese (ja)
Other versions
JP2001211098A (ja
JP2001211098A5 (enExample
Inventor
聡 田中
一雄 渡辺
正生 堀田
豊彦 本郷
大造 山脇
真澄 笠原
久美子 瀧川
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.)
Renesas Electronics Corp
Original Assignee
Renesas Electronics 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 Renesas Electronics Corp filed Critical Renesas Electronics Corp
Priority to JP2000352553A priority Critical patent/JP4547084B2/ja
Publication of JP2001211098A publication Critical patent/JP2001211098A/ja
Publication of JP2001211098A5 publication Critical patent/JP2001211098A5/ja
Application granted granted Critical
Publication of JP4547084B2 publication Critical patent/JP4547084B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Landscapes

  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Transceivers (AREA)
  • Mobile Radio Communication Systems (AREA)
JP2000352553A 1999-11-15 2000-11-15 移動体通信機および送受信機 Expired - Lifetime JP4547084B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2000352553A JP4547084B2 (ja) 1999-11-15 2000-11-15 移動体通信機および送受信機

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP32365699 1999-11-15
JP11-323656 1999-11-15
JP2000352553A JP4547084B2 (ja) 1999-11-15 2000-11-15 移動体通信機および送受信機

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2007295286A Division JP4566228B2 (ja) 1999-11-15 2007-11-14 送受信機

Publications (3)

Publication Number Publication Date
JP2001211098A JP2001211098A (ja) 2001-08-03
JP2001211098A5 JP2001211098A5 (enExample) 2007-12-27
JP4547084B2 true JP4547084B2 (ja) 2010-09-22

Family

ID=26571262

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000352553A Expired - Lifetime JP4547084B2 (ja) 1999-11-15 2000-11-15 移動体通信機および送受信機

Country Status (1)

Country Link
JP (1) JP4547084B2 (enExample)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3672189B2 (ja) 2001-07-13 2005-07-13 ソニー株式会社 無線信号受信装置及び復調処理回路
JP2003152815A (ja) * 2001-11-14 2003-05-23 Hitachi Ltd 通信用半導体集積回路
WO2004002098A1 (ja) * 2002-06-19 2003-12-31 Hitachi, Ltd. 無線通信装置
US7272187B2 (en) 2002-11-01 2007-09-18 Matsushita Electric Industrial Co., Ltd. Filter circuit and radio apparatus
KR100461723B1 (ko) * 2002-12-05 2004-12-17 삼성전기주식회사 인라인 핀배열을 갖는 코드레스폰 ｒｆ 모듈
JP4230762B2 (ja) 2002-12-20 2009-02-25 株式会社ルネサステクノロジ ダイレクトコンバージョン受信機
KR100519806B1 (ko) * 2003-10-07 2005-10-11 한국전자통신연구원 초광대역 전송 시스템의 수신신호 전력 제어 방법
JP4403141B2 (ja) 2003-12-01 2010-01-20 パナソニック株式会社 受信装置及び受信方法
US7907589B2 (en) 2003-12-01 2011-03-15 Panasonic Corporation Reception apparatus and reception method
JP4234026B2 (ja) 2004-01-26 2009-03-04 パナソニック株式会社 受信回路
WO2006030513A1 (ja) * 2004-09-16 2006-03-23 Fujitsu Limited 不平衡−平衡変換器
WO2006075631A1 (ja) * 2005-01-14 2006-07-20 Nec Corporation 通信装置、マルチバンド受信装置及び受信装置
JP4692346B2 (ja) * 2006-03-23 2011-06-01 パナソニック電工株式会社 受信装置
JP5163657B2 (ja) * 2008-01-25 2013-03-13 日本電気株式会社 ノイズ抑制装置
DE102010030628A1 (de) * 2010-06-29 2011-12-29 Robert Bosch Gmbh Radarsensor für Kraftfahrzeuge
JP4883657B2 (ja) * 2010-08-18 2012-02-22 ルネサスエレクトロニクス株式会社 通信用半導体集積回路
JP5623877B2 (ja) 2010-11-15 2014-11-12 ルネサスエレクトロニクス株式会社 半導体集積回路およびその動作方法
JP5611070B2 (ja) 2011-01-28 2014-10-22 ルネサスエレクトロニクス株式会社 半導体集積回路およびその動作方法
JP5624493B2 (ja) * 2011-02-16 2014-11-12 キヤノン株式会社 差動増幅装置
JP5778047B2 (ja) * 2012-01-18 2015-09-16 ルネサスエレクトロニクス株式会社 半導体集積回路およびその動作方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH082058B2 (ja) * 1989-06-13 1996-01-10 日本電気株式会社 自動利得制御方式
JP3115050B2 (ja) * 1991-09-11 2000-12-04 株式会社日立製作所 移動通信機
JPH06303137A (ja) * 1992-12-29 1994-10-28 Hitachi Ltd Ｄ／ａ変換器、オフセット調整回路及びこれを用いた携帯通信端末装置
JPH09261106A (ja) * 1996-03-22 1997-10-03 Matsushita Electric Ind Co Ltd 複数帯域移動無線機
FI100286B (fi) * 1996-04-01 1997-10-31 Nokia Mobile Phones Ltd Lähetin/vastaanotin RF-signaalin lähettämiseksi ja vastaanottamiseksi kahdella taajuusalueella
JPH10200353A (ja) * 1997-01-14 1998-07-31 Kokusai Electric Co Ltd バーストａｇｃ回路およびバーストａｇｃ制御方法
JP2000286742A (ja) * 1999-03-31 2000-10-13 Toshiba Corp 無線通信装置

Also Published As

Publication number Publication date
JP2001211098A (ja) 2001-08-03

Similar Documents

Publication Publication Date Title
JP4566228B2 (ja) 送受信機
JP4547084B2 (ja) 移動体通信機および送受信機
US7194242B2 (en) Direct-conversion transmitter circuit and transceiver system
KR100663104B1 (ko) 주파수 변환회로, 무선 주파 수신기, 및 무선 주파트랜스시버
US7062248B2 (en) Direct conversion receiver having a low pass pole implemented with an active low pass filter
JP3700933B2 (ja) 受信機および通信端末
JP5168148B2 (ja) 無線通信装置
US20150118980A1 (en) Transmitter (tx) residual sideband (rsb) and local oscillator (lo) leakage calibration using a reconfigurable tone generator (tg) and lo paths
US20020049075A1 (en) Multiband portable radio terminal
JPH1032520A (ja) ２つの周波数帯域の無線周波数信号を送受信する送受信装置
JP2004534454A (ja) 低漏洩局部発振器システム
JP2006020265A (ja) 無線通信受信装置
US20040147238A1 (en) Analog demodulator in a low-if receiver
JP3672189B2 (ja) 無線信号受信装置及び復調処理回路
JP3369396B2 (ja) 無線送受信共用周波数変換器
JP4385521B2 (ja) 送受信機
KR100553434B1 (ko) Ｒｆ 수신 장치
Piazza Low power RF-receiver front-end ICs for mobile communications

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20071114

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20071114

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20090928

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20091013

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20100302

A711 Notification of change in applicant

Free format text: JAPANESE INTERMEDIATE CODE: A712

Effective date: 20100528

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20100602

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20100622

A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20100705

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130709

Year of fee payment: 3

R150 Certificate of patent or registration of utility model

Ref document number: 4547084

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

Free format text: JAPANESE INTERMEDIATE CODE: R150

S531 Written request for registration of change of domicile

Free format text: JAPANESE INTERMEDIATE CODE: R313531

R350 Written notification of registration of transfer

Free format text: JAPANESE INTERMEDIATE CODE: R350

EXPY Cancellation because of completion of term