IT1142961B - Circuito modulare/demodulatore bifase per convertire segnali unipolari in segnali bipolari - Google Patents
Circuito modulare/demodulatore bifase per convertire segnali unipolari in segnali bipolariInfo
- Publication number
- IT1142961B IT1142961B IT49558/81A IT4955881A IT1142961B IT 1142961 B IT1142961 B IT 1142961B IT 49558/81 A IT49558/81 A IT 49558/81A IT 4955881 A IT4955881 A IT 4955881A IT 1142961 B IT1142961 B IT 1142961B
- Authority
- IT
- Italy
- Prior art keywords
- signals
- demodulator
- modular circuit
- bipolar
- phase modular
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/38—Synchronous or start-stop systems, e.g. for Baudot code
- H04L25/40—Transmitting circuits; Receiving circuits
- H04L25/49—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems
- H04L25/4904—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems using self-synchronising codes, e.g. split-phase codes
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Dc Digital Transmission (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/200,795 US4361817A (en) | 1980-10-27 | 1980-10-27 | Bi-phase modulator/demodulator |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8149558A0 IT8149558A0 (it) | 1981-10-23 |
IT1142961B true IT1142961B (it) | 1986-10-15 |
Family
ID=22743217
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT49558/81A IT1142961B (it) | 1980-10-27 | 1981-10-23 | Circuito modulare/demodulatore bifase per convertire segnali unipolari in segnali bipolari |
Country Status (5)
Country | Link |
---|---|
US (1) | US4361817A (it) |
JP (1) | JPS57101458A (it) |
CA (1) | CA1174297A (it) |
GB (1) | GB2087693B (it) |
IT (1) | IT1142961B (it) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4584533A (en) * | 1985-03-01 | 1986-04-22 | Motorola, Inc. | Non-coherent BPSK demodulator |
US5214526A (en) * | 1991-06-04 | 1993-05-25 | Apple Computer, Inc. | Pulse modulated infrared data communications link |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3483488A (en) * | 1967-10-12 | 1969-12-09 | Tektronix Inc | Balanced modulator-demodulator circuit with negative feedback in switching element |
FR2345019A1 (fr) * | 1976-03-19 | 1977-10-14 | Cit Alcatel | Dispositif de transmission de donnees et application a la transmission de signaux analogiques et de donnees dans un reseau avec modulation delta |
US4176328A (en) * | 1978-05-30 | 1979-11-27 | Motorola, Inc. | DC coupled bi-phase modulator |
-
1980
- 1980-10-27 US US06/200,795 patent/US4361817A/en not_active Expired - Lifetime
-
1981
- 1981-09-22 CA CA000386402A patent/CA1174297A/en not_active Expired
- 1981-10-20 GB GB8131603A patent/GB2087693B/en not_active Expired
- 1981-10-23 IT IT49558/81A patent/IT1142961B/it active
- 1981-10-27 JP JP56170881A patent/JPS57101458A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS57101458A (en) | 1982-06-24 |
JPH0131742B2 (it) | 1989-06-27 |
GB2087693A (en) | 1982-05-26 |
GB2087693B (en) | 1984-06-20 |
US4361817A (en) | 1982-11-30 |
IT8149558A0 (it) | 1981-10-23 |
CA1174297A (en) | 1984-09-11 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
IT1150877B (it) | Circuito per trasferire segnali | |
DE3172782D1 (en) | Hall element circuit arranged to eliminate in-phase voltage | |
ES290186Y (es) | Conector perfeccionado impenetrable al agua | |
IT8423237A0 (it) | Circuito per limitare transitori di jitter durante la commutazione. | |
KR860004516A (ko) | 광전변환회로 | |
IT1142961B (it) | Circuito modulare/demodulatore bifase per convertire segnali unipolari in segnali bipolari | |
DE3477284D1 (de) | Four quadrant multiplier | |
PT77002A (fr) | Interrupteur differentiel bipolaire | |
DK570985D0 (da) | Organ til sammenkobling af to elementer | |
DK107987A (da) | Efterloeber til plov | |
KR860001250U (ko) | 물음식용 칸막이 식기 | |
KR860008399U (ko) | 리셋트 회로 | |
KR860011123U (ko) | 리셋트 지연 회로 | |
JPS5541166A (en) | Approximate square reverse time limiting circuit | |
KR870008813U (ko) | 리세트 회로 | |
KR870010899U (ko) | 리셋트 회로 | |
DK76484D0 (da) | Salve til fjernelse af vorter | |
TR21721A (tr) | Yari otomatik seri sanzuman | |
SE8401170D0 (sv) | Korsstaplingsbar rektanguler back | |
RO92915A2 (ro) | Unguent cu actiune epitelizanta | |
SE8402033D0 (sv) | Sett att isolera fartygslastrum | |
IT8536413V0 (it) | Scaffale trasformabile | |
BR8600405A (pt) | Jogo tipo tabuleiro | |
KR870001703U (ko) | 가정용 과즙기 | |
ES282640Y (es) | Exprimidor de citricos |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19941027 |