JPS528763A - Amplitude phase modulator - Google Patents
Amplitude phase modulatorInfo
- Publication number
- JPS528763A JPS528763A JP50084802A JP8480275A JPS528763A JP S528763 A JPS528763 A JP S528763A JP 50084802 A JP50084802 A JP 50084802A JP 8480275 A JP8480275 A JP 8480275A JP S528763 A JPS528763 A JP S528763A
- Authority
- JP
- Japan
- Prior art keywords
- phase modulator
- amplitude phase
- amplitude
- signal
- modulator
- 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
Links
Landscapes
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Abstract
PURPOSE: Obtain an amplitude-phase converter with which 4-phase modulation signal amplifier can be enlarged by obtaining MAPSK signal by coupling the 4phase modulator signal source with directional couplers.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50084802A JPS528763A (en) | 1975-07-09 | 1975-07-09 | Amplitude phase modulator |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50084802A JPS528763A (en) | 1975-07-09 | 1975-07-09 | Amplitude phase modulator |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS528763A true JPS528763A (en) | 1977-01-22 |
Family
ID=13840830
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50084802A Pending JPS528763A (en) | 1975-07-09 | 1975-07-09 | Amplitude phase modulator |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS528763A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4355289A (en) * | 1980-07-14 | 1982-10-19 | Wisconsin Alumni Research Foundation | Phase shift and amplitude modulator |
JPS59135958A (en) * | 1983-01-07 | 1984-08-04 | ソシエテ アノニム デ テレコミユニカシイオンズ | Transmitter |
JPS63176036A (en) * | 1987-01-17 | 1988-07-20 | Nippon Telegr & Teleph Corp <Ntt> | Communication equipment |
-
1975
- 1975-07-09 JP JP50084802A patent/JPS528763A/en active Pending
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4355289A (en) * | 1980-07-14 | 1982-10-19 | Wisconsin Alumni Research Foundation | Phase shift and amplitude modulator |
JPS59135958A (en) * | 1983-01-07 | 1984-08-04 | ソシエテ アノニム デ テレコミユニカシイオンズ | Transmitter |
US4571549A (en) * | 1983-01-07 | 1986-02-18 | Societe Anonyme De Telecommunications | 16-QAM Modulator with PLL amplification devices |
JPH0423862B2 (en) * | 1983-01-07 | 1992-04-23 | Esu Aa Tee Sa Do Terekomyunikashion | |
JPS63176036A (en) * | 1987-01-17 | 1988-07-20 | Nippon Telegr & Teleph Corp <Ntt> | Communication equipment |
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