IT1110630B - Metodo e circuito per la trasmissione senza filtraggi dei criteri di centrale in modem di canale fdm - Google Patents

Metodo e circuito per la trasmissione senza filtraggi dei criteri di centrale in modem di canale fdm

Info

Publication number
IT1110630B
IT1110630B IT19759/79A IT1975979A IT1110630B IT 1110630 B IT1110630 B IT 1110630B IT 19759/79 A IT19759/79 A IT 19759/79A IT 1975979 A IT1975979 A IT 1975979A IT 1110630 B IT1110630 B IT 1110630B
Authority
IT
Italy
Prior art keywords
modem
filters
transmission
circuit
control unit
Prior art date
Application number
IT19759/79A
Other languages
English (en)
Other versions
IT7919759A0 (it
Inventor
Giorgio Girolami
Pierino Petris
Original Assignee
Telettra Lab Telefon
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 Telettra Lab Telefon filed Critical Telettra Lab Telefon
Priority to IT19759/79A priority Critical patent/IT1110630B/it
Publication of IT7919759A0 publication Critical patent/IT7919759A0/it
Priority to BR8000496A priority patent/BR8000496A/pt
Priority to AR279762A priority patent/AR221399A1/es
Priority to NO800235A priority patent/NO800235L/no
Priority to ES488146A priority patent/ES488146A1/es
Priority to DE19803003416 priority patent/DE3003416A1/de
Application granted granted Critical
Publication of IT1110630B publication Critical patent/IT1110630B/it

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03828—Arrangements for spectral shaping; Arrangements for providing signals with specified spectral properties
    • H04L25/03834—Arrangements for spectral shaping; Arrangements for providing signals with specified spectral properties using pulse shaping
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/02—Channels characterised by the type of signal
    • H04L5/06—Channels characterised by the type of signal the signals being represented by different frequencies
IT19759/79A 1979-02-01 1979-02-01 Metodo e circuito per la trasmissione senza filtraggi dei criteri di centrale in modem di canale fdm IT1110630B (it)

Priority Applications (6)

Application Number Priority Date Filing Date Title
IT19759/79A IT1110630B (it) 1979-02-01 1979-02-01 Metodo e circuito per la trasmissione senza filtraggi dei criteri di centrale in modem di canale fdm
BR8000496A BR8000496A (pt) 1979-02-01 1980-01-25 Sistema para transmitir em modem de canal de multiplex por divisao de frequencia os criterios procedentes da central,e,circuito para a realizacao do sistema
AR279762A AR221399A1 (es) 1979-02-01 1980-01-28 Dispositivo para la transmision de los criterios de central en modulador de canal fdm sin la utilizacion de filtros
NO800235A NO800235L (no) 1979-02-01 1980-01-31 Fremgangsmaate og kretsanordning for overfoering uten filtrering av sentralkriteriene i et fdm-kanalmodem
ES488146A ES488146A1 (es) 1979-02-01 1980-01-31 Metodo con su circuito correspondiente, para la transmision sin filtrados de los criterios de central en moden de canal fdm
DE19803003416 DE3003416A1 (de) 1979-02-01 1980-01-31 Verfahren und schaltkreis zur uebertragung von datensignalen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT19759/79A IT1110630B (it) 1979-02-01 1979-02-01 Metodo e circuito per la trasmissione senza filtraggi dei criteri di centrale in modem di canale fdm

Publications (2)

Publication Number Publication Date
IT7919759A0 IT7919759A0 (it) 1979-02-01
IT1110630B true IT1110630B (it) 1985-12-23

Family

ID=11160988

Family Applications (1)

Application Number Title Priority Date Filing Date
IT19759/79A IT1110630B (it) 1979-02-01 1979-02-01 Metodo e circuito per la trasmissione senza filtraggi dei criteri di centrale in modem di canale fdm

Country Status (6)

Country Link
AR (1) AR221399A1 (it)
BR (1) BR8000496A (it)
DE (1) DE3003416A1 (it)
ES (1) ES488146A1 (it)
IT (1) IT1110630B (it)
NO (1) NO800235L (it)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4896333A (en) * 1987-08-04 1990-01-23 Signetics Corporation Circuit for generating a trapezoidal current waveform with matched rise and fall times

Also Published As

Publication number Publication date
AR221399A1 (es) 1981-01-30
BR8000496A (pt) 1980-10-21
IT7919759A0 (it) 1979-02-01
ES488146A1 (es) 1980-09-16
DE3003416A1 (de) 1980-08-14
NO800235L (no) 1980-08-04

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