JPH10304000A - 直交振幅変調装置 - Google Patents

直交振幅変調装置

Info

Publication number
JPH10304000A
JPH10304000A JP9112367A JP11236797A JPH10304000A JP H10304000 A JPH10304000 A JP H10304000A JP 9112367 A JP9112367 A JP 9112367A JP 11236797 A JP11236797 A JP 11236797A JP H10304000 A JPH10304000 A JP H10304000A
Authority
JP
Japan
Prior art keywords
signal
phase
amplitude
modulation
output
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.)
Pending
Application number
JP9112367A
Other languages
English (en)
Japanese (ja)
Other versions
JPH10304000A5 (enExample
Inventor
Toshiyuki Yagi
利幸 矢木
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.)
Hewlett Packard Japan Inc
Original Assignee
Hewlett Packard Japan 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 Hewlett Packard Japan Inc filed Critical Hewlett Packard Japan Inc
Priority to JP9112367A priority Critical patent/JPH10304000A/ja
Publication of JPH10304000A publication Critical patent/JPH10304000A/ja
Publication of JPH10304000A5 publication Critical patent/JPH10304000A5/ja
Pending legal-status Critical Current

Links

Landscapes

  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
JP9112367A 1997-04-30 1997-04-30 直交振幅変調装置 Pending JPH10304000A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9112367A JPH10304000A (ja) 1997-04-30 1997-04-30 直交振幅変調装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9112367A JPH10304000A (ja) 1997-04-30 1997-04-30 直交振幅変調装置

Publications (2)

Publication Number Publication Date
JPH10304000A true JPH10304000A (ja) 1998-11-13
JPH10304000A5 JPH10304000A5 (enExample) 2004-11-11

Family

ID=14584924

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9112367A Pending JPH10304000A (ja) 1997-04-30 1997-04-30 直交振幅変調装置

Country Status (1)

Country Link
JP (1) JPH10304000A (enExample)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100644277B1 (ko) * 1999-08-16 2006-11-13 한국전자통신연구원 디지털 단일칩 스테레오 진폭 변조기
JP2009513053A (ja) * 2005-10-21 2009-03-26 エヌエックスピー ビー ヴィ Ｆｍ変調を用いたポーラ変調装置および方法
JP2012520618A (ja) * 2009-03-11 2012-09-06 クゥアルコム・インコーポレイテッド 広帯域位相変調器
US8588720B2 (en) 2009-12-15 2013-11-19 Qualcomm Incorproated Signal decimation techniques
US9000858B2 (en) 2012-04-25 2015-04-07 Qualcomm Incorporated Ultra-wide band frequency modulator

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100644277B1 (ko) * 1999-08-16 2006-11-13 한국전자통신연구원 디지털 단일칩 스테레오 진폭 변조기
JP2009513053A (ja) * 2005-10-21 2009-03-26 エヌエックスピー ビー ヴィ Ｆｍ変調を用いたポーラ変調装置および方法
US7755444B2 (en) 2005-10-21 2010-07-13 St-Ericsson Sa Polar modulation apparatus and method using FM modulation
JP2012520618A (ja) * 2009-03-11 2012-09-06 クゥアルコム・インコーポレイテッド 広帯域位相変調器
US8723613B2 (en) 2009-03-11 2014-05-13 Qualcomm Incorporated Wideband phase modulator
US8588720B2 (en) 2009-12-15 2013-11-19 Qualcomm Incorproated Signal decimation techniques
US9000858B2 (en) 2012-04-25 2015-04-07 Qualcomm Incorporated Ultra-wide band frequency modulator

Similar Documents

Publication Publication Date Title
JP2926615B2 (ja) Ｓｓｂ信号発生器
US6975687B2 (en) Linearized offset QPSK modulation utilizing a sigma-delta based frequency modulator
JPH10510123A (ja) 周波数シンセサイザー
JP3852938B2 (ja) 広帯域変調ｐｌｌおよびその変調度調整方法
JPH07264063A (ja) 周波数シンセサイザ
US20090327383A1 (en) Sinusoidal wave generation circuit
JPH10304000A (ja) 直交振幅変調装置
US4891598A (en) Variable bit rate clock recovery circuit
JP2004518382A (ja) ２点変調を有するトランシーバのトリミング法
GB2247368A (en) Phase modulation signal generator
US5751198A (en) Angular modulator with a phase variation divided and integrated
JP3608765B2 (ja) 周波数シンセサイザ装置
US5838208A (en) Modulation of transmission data signal in sychronous with transmission clock signal
US5905413A (en) Angular modulator with a phase variation divided and integrated
JPH08256185A (ja) 変調器
JPH10304000A5 (enExample)
US6072374A (en) FM modulation system using quadrature modulator
US6163232A (en) Frequency/phase modulator using a digital synthesis circuit in a phase locked loop
JPH06152675A (ja) ディジタル変調器
JP2919328B2 (ja) 変調回路
JP2575057B2 (ja) Ｆｍ変調器
JPH1155036A (ja) 周波数発生回路
JPS61263302A (ja) デイジタルアナログ共用直交変調器
JPH0334654A (ja) 直交変調器
JPS63260247A (ja) 変調器

Legal Events

Date Code Title Description
A711 Notification of change in applicant

Free format text: JAPANESE INTERMEDIATE CODE: A711

Effective date: 20040802

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A821

Effective date: 20040802

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20041216

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20041221

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20050524