JPH0219663B2 - - Google Patents
Info
- Publication number
- JPH0219663B2 JPH0219663B2 JP1024986A JP1024986A JPH0219663B2 JP H0219663 B2 JPH0219663 B2 JP H0219663B2 JP 1024986 A JP1024986 A JP 1024986A JP 1024986 A JP1024986 A JP 1024986A JP H0219663 B2 JPH0219663 B2 JP H0219663B2
- Authority
- JP
- Japan
- Prior art keywords
- output
- bit
- code
- rom
- waveform
- 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
Links
- 238000000034 method Methods 0.000 claims description 7
- 230000002441 reversible effect Effects 0.000 claims description 2
- 230000001934 delay Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 13
- 230000010363 phase shift Effects 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 229910002056 binary alloy Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
Landscapes
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1024986A JPS62169554A (ja) | 1986-01-22 | 1986-01-22 | 直交変調器の象限管理回路 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1024986A JPS62169554A (ja) | 1986-01-22 | 1986-01-22 | 直交変調器の象限管理回路 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS62169554A JPS62169554A (ja) | 1987-07-25 |
JPH0219663B2 true JPH0219663B2 (enrdf_load_html_response) | 1990-05-02 |
Family
ID=11745032
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1024986A Granted JPS62169554A (ja) | 1986-01-22 | 1986-01-22 | 直交変調器の象限管理回路 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS62169554A (enrdf_load_html_response) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2542263B2 (ja) * | 1989-07-29 | 1996-10-09 | シャープ株式会社 | ディジタル式fm変調器 |
KR930009458B1 (ko) * | 1991-01-25 | 1993-10-04 | 삼성전자 주식회사 | 차량 추적 장치에 있어서 송신메세지 신호발생방법 및 회로 |
JPH0543641U (ja) * | 1991-11-05 | 1993-06-11 | 横河電機株式会社 | デイジタル変調用iq信号発生器 |
WO1998049812A1 (fr) * | 1997-04-25 | 1998-11-05 | Hitachi, Ltd. | Circuit de modulation et terminal radio |
TWI339049B (en) * | 2006-03-09 | 2011-03-11 | Princeton Technology Corp | Gfsk/fsk modulation circuit and related method implemented in a digital manner |
-
1986
- 1986-01-22 JP JP1024986A patent/JPS62169554A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS62169554A (ja) | 1987-07-25 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP2853230B2 (ja) | ディジタルフィルタ装置 | |
US6025758A (en) | Method and apparatus for performing digital data signal modulation | |
JPH0777388B2 (ja) | 偏移制御を有するデ−タ周波数変調器 | |
EP0531100B1 (en) | Baseband pulse shaper for GMSK modulators | |
WO1990012451A1 (fr) | Modulateur de frequence | |
JPH0219663B2 (enrdf_load_html_response) | ||
JP3147000B2 (ja) | 疑似gmsk変調装置 | |
CA1167167A (en) | Method and apparatus for synthesizing a modulated carrier to reduce interchannel interference in a digital communication system | |
US5838208A (en) | Modulation of transmission data signal in sychronous with transmission clock signal | |
JPH06311507A (ja) | 差動符号化4分位相遷移変調方法及びその装置 | |
JP4292355B2 (ja) | Gmsk変調回路 | |
JPH08256185A (ja) | 変調器 | |
JP3169755B2 (ja) | デジタル位相変調信号を復調する方法及び装置 | |
JPS60153249A (ja) | Fs変調方式 | |
Kopta et al. | New universal all-digital CPM modulator | |
JP2596350B2 (ja) | Fsk変調器 | |
US20050157816A1 (en) | Circuit and method for binary modulation | |
JP2002190839A (ja) | Gfsk直交変調器と変調方法 | |
SU1388974A2 (ru) | Фазовый модул тор | |
KR950005149B1 (ko) | 지엠에스케이 디지탈 변조회로 | |
JPH0637819A (ja) | Msk変調器 | |
JPH0654922B2 (ja) | 変調回路 | |
JPS6032375B2 (ja) | 符号変換方式 | |
JPS6149865B2 (enrdf_load_html_response) | ||
JPH0738651B2 (ja) | Fsk復調回路 |