AT304639B - Schaltungsanordnung zur Pegelüberwachung in Übertragungssystemen mit Frequenz- oder Phasenmodulation - Google Patents

Schaltungsanordnung zur Pegelüberwachung in Übertragungssystemen mit Frequenz- oder Phasenmodulation

Info

Publication number
AT304639B
AT304639B AT683670A AT683670A AT304639B AT 304639 B AT304639 B AT 304639B AT 683670 A AT683670 A AT 683670A AT 683670 A AT683670 A AT 683670A AT 304639 B AT304639 B AT 304639B
Authority
AT
Austria
Prior art keywords
frequency
circuit arrangement
phase modulation
transmission systems
level monitoring
Prior art date
Application number
AT683670A
Other languages
English (en)
Original Assignee
Siemens Ag
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
Priority claimed from DE19691938510 external-priority patent/DE1938510C/de
Application filed by Siemens Ag filed Critical Siemens Ag
Application granted granted Critical
Publication of AT304639B publication Critical patent/AT304639B/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
    • H04L27/14—Demodulator circuits; Receiver circuits
    • H04L27/156—Demodulator circuits; Receiver circuits with demodulation using temporal properties of the received signal, e.g. detecting pulse width
    • H04L27/1563—Demodulator circuits; Receiver circuits with demodulation using temporal properties of the received signal, e.g. detecting pulse width using transition or level detection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/20—Arrangements for detecting or preventing errors in the information received using signal quality detector
    • H04L1/206—Arrangements for detecting or preventing errors in the information received using signal quality detector for modulated signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
    • H04L27/14—Demodulator circuits; Receiver circuits
    • 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
    • H04L27/2334—Demodulator circuits; Receiver circuits using non-coherent demodulation using filters
    • 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
    • H04L27/2335—Demodulator circuits; Receiver circuits using non-coherent demodulation using temporal properties of the received signal

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Dc Digital Transmission (AREA)
  • Control Of Amplification And Gain Control (AREA)
AT683670A 1969-07-29 1970-07-27 Schaltungsanordnung zur Pegelüberwachung in Übertragungssystemen mit Frequenz- oder Phasenmodulation AT304639B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19691938510 DE1938510C (de) 1969-07-29 Schaltungsanordnung zur Pegeluberwa chung in Ubertragungssystemen mit Frequenz oder Phasenmodulation

Publications (1)

Publication Number Publication Date
AT304639B true AT304639B (de) 1973-01-10

Family

ID=5741250

Family Applications (1)

Application Number Title Priority Date Filing Date
AT683670A AT304639B (de) 1969-07-29 1970-07-27 Schaltungsanordnung zur Pegelüberwachung in Übertragungssystemen mit Frequenz- oder Phasenmodulation

Country Status (11)

Country Link
US (1) US3663834A (de)
AT (1) AT304639B (de)
BE (1) BE754113A (de)
CH (1) CH509711A (de)
DK (1) DK124228B (de)
FR (1) FR2055711A5 (de)
GB (1) GB1305789A (de)
LU (1) LU61423A1 (de)
NL (1) NL7010726A (de)
SE (1) SE353427B (de)
ZA (1) ZA705194B (de)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3011128A (en) * 1958-05-29 1961-11-28 Westinghouse Electric Corp Triple coincidence detector
US3119983A (en) * 1959-05-29 1964-01-28 Ibm Time pulse distributor
US3327230A (en) * 1963-12-30 1967-06-20 Rca Corp Regenerator
US3341816A (en) * 1964-03-20 1967-09-12 Hughes Aircraft Co Amplitude range signal monitoring device
US3456201A (en) * 1965-12-03 1969-07-15 Nasa System for monitoring signal amplitude ranges

Also Published As

Publication number Publication date
US3663834A (en) 1972-05-16
CH509711A (de) 1971-06-30
SE353427B (de) 1973-01-29
LU61423A1 (de) 1971-07-07
FR2055711A5 (de) 1971-05-07
GB1305789A (de) 1973-02-07
DE1938510B2 (de) 1970-10-29
NL7010726A (de) 1971-02-02
BE754113A (fr) 1971-01-29
ZA705194B (en) 1971-04-28
DE1938510A1 (de) 1970-10-29
DK124228B (da) 1972-09-25

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee