ZA847604B - A modem for a short-wave station - Google Patents
A modem for a short-wave stationInfo
- Publication number
- ZA847604B ZA847604B ZA847604A ZA847604A ZA847604B ZA 847604 B ZA847604 B ZA 847604B ZA 847604 A ZA847604 A ZA 847604A ZA 847604 A ZA847604 A ZA 847604A ZA 847604 B ZA847604 B ZA 847604B
- Authority
- ZA
- South Africa
- Prior art keywords
- modem
- short
- wave station
- station
- wave
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
- H03G3/3036—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
- H04L27/22—Demodulator circuits; Receiver circuits
- H04L27/233—Demodulator circuits; Receiver circuits using non-coherent demodulation
- H04L27/2338—Demodulator circuits; Receiver circuits using non-coherent demodulation using sampling
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3335114A DE3335114C2 (de) | 1983-09-28 | 1983-09-28 | Modem für eine Kurzwellenstation |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA847604B true ZA847604B (en) | 1985-07-31 |
Family
ID=6210296
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA847604A ZA847604B (en) | 1983-09-28 | 1984-09-27 | A modem for a short-wave station |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE3335114C2 (xx) |
ZA (1) | ZA847604B (xx) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5617451A (en) * | 1993-09-13 | 1997-04-01 | Matsushita Electric Industrial Co., Ltd. | Direct-conversion receiver for digital-modulation signal with signal strength detection |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3048155C2 (de) * | 1980-12-19 | 1986-01-02 | Siemens AG, 1000 Berlin und 8000 München | Funksystem |
-
1983
- 1983-09-28 DE DE3335114A patent/DE3335114C2/de not_active Expired
-
1984
- 1984-09-27 ZA ZA847604A patent/ZA847604B/xx unknown
Also Published As
Publication number | Publication date |
---|---|
DE3335114C2 (de) | 1987-01-02 |
DE3335114A1 (de) | 1985-04-11 |
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