FI810276L - COUPLING REQUIREMENT FOR AV EN SLINGSLUTNING I EN MELLANREGENERATOR VID ETT PCM SYSTEM - Google Patents

COUPLING REQUIREMENT FOR AV EN SLINGSLUTNING I EN MELLANREGENERATOR VID ETT PCM SYSTEM

Info

Publication number
FI810276L
FI810276L FI810276A FI810276A FI810276L FI 810276 L FI810276 L FI 810276L FI 810276 A FI810276 A FI 810276A FI 810276 A FI810276 A FI 810276A FI 810276 L FI810276 L FI 810276L
Authority
FI
Finland
Prior art keywords
regenerator
input
control
output
terminal
Prior art date
Application number
FI810276A
Other languages
Finnish (fi)
Inventor
Josef Doemer
Gerhard Thanhaeuser
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
Application filed by Siemens Ag filed Critical Siemens Ag
Publication of FI810276L publication Critical patent/FI810276L/en

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
    • H04L25/0264—Arrangements for coupling to transmission lines
    • H04L25/0266—Arrangements for providing Galvanic isolation, e.g. by means of magnetic or capacitive coupling
    • H04L25/0268—Arrangements for providing Galvanic isolation, e.g. by means of magnetic or capacitive coupling with modulation and subsequent demodulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/40—Monitoring; Testing of relay systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Amplifiers (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
  • Dc Digital Transmission (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Earth Drilling (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Control Of Transmission Device (AREA)
  • Transmitters (AREA)
  • Control Of Eletrric Generators (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)

Abstract

1. Circuit arrangement for the formation of a loop closure in an intermediate regenerator of a PCM system with a first (REG1) and a second (REG2) PCM regenerator, which operate in different directions of transmission, wherein each regenerator includes an input-end equalizer (E1, E2) and, connected thereto, the series arrangement of an amplitude decision device (AE1; AE2), a time decision device (ZE1, ZE2), and a pulse amplifier (V1, V2), and wherein the two regenerators (REG1, REG2) which are on different potential are connected to one another by at least one high-voltage-resistant signal junction (~U2), and moreover the receiving regenerator (REG1) includes a locating-signal analysis arrangement (OSA) which is connected to its amplitude-or time-decision device, and a connected device (SBG, SBE) which serves to control a loop switch (S) for connecting an output of the receiving regenerator (REG1) to an input of a regenerator (REG2) for the opposite direction, wherein a high-voltage transformer (~U1) transmits the control signal for the loop switch (S) to a control frequency receiver (SBE) included in the second regenerator (REG2), wherein the output of the control frequency receiver (SBE) is connected to a control input of the loop switch (S) whose input is connected to an output of the first regenerator and whose output is connected to an input of the second regenerator, characterised in that the output of the locating-signal analysis device (OSA) is connected to the input of a control frequency oscillator (SBG) whose oscillating frequency is approximately 1% of the Nyquist frequency of the PCM signals which are to be transmitted, and that the control frequency oscillator (SBG) includes - as frequency-determining element - the primary winding of the high-voltage transformer (~U1), that the control oscillator (SBG) includes an AND gate (G) which is connected to its control input and whose output is connected via a first resistor (R1) to the collector terminal of a first transistor (T1) and to the first terminal of the primary winding (L1) of the first transformer (~U1), that the second terminal of this primary winding (L1) is connected to the base terminal of the first transistor (T1) and is connected to earth via a first capacitor (C1), that the emitter terminal of the first transistor (T1) is connected directly to earth whereas the collector terminal of this transistor is connected via a second capacitor (C2) to earth, and that the secondary winding (L2) of the first transformer (~U1) is connected to the input of the control frequency receiver (SBE).
FI810276A 1980-01-31 1981-01-30 COUPLING REQUIREMENT FOR AV EN SLINGSLUTNING I EN MELLANREGENERATOR VID ETT PCM SYSTEM FI810276L (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19803003516 DE3003516A1 (en) 1980-01-31 1980-01-31 CIRCUIT ARRANGEMENT FOR FORMING A LOOP IN AN INTERMEDIATE REGENERATOR OF A PCM SYSTEM

Publications (1)

Publication Number Publication Date
FI810276L true FI810276L (en) 1981-08-01

Family

ID=6093402

Family Applications (1)

Application Number Title Priority Date Filing Date
FI810276A FI810276L (en) 1980-01-31 1981-01-30 COUPLING REQUIREMENT FOR AV EN SLINGSLUTNING I EN MELLANREGENERATOR VID ETT PCM SYSTEM

Country Status (6)

Country Link
EP (1) EP0033470B1 (en)
AT (1) ATE7990T1 (en)
DE (2) DE3003516A1 (en)
DK (1) DK151758C (en)
FI (1) FI810276L (en)
NO (1) NO152990C (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3117927C2 (en) * 1981-05-06 1986-11-27 Siemens AG, 1000 Berlin und 8000 München Arrangement for the detection of the longest of sequences of null characters periodically contained in digital signals
DE3211977A1 (en) * 1982-03-31 1983-10-06 Siemens Ag OPERATIONAL MONITORING OF TRANSMISSION ROUTES FOR DIGITAL SIGNALS
DE4203968A1 (en) * 1992-02-11 1993-08-12 Siemens Ag Checking data line in multiplex system using loop connection - generating control signal from transmitted loop signal and returning loop signal as stop bit of data channel

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2004810C3 (en) * 1970-02-03 1973-10-25 Siemens Ag, 1000 Berlin U. 8000 Muenchen Method and arrangement for determining errors in the intermediate points provided with regenerators of a transmission system operating with pulse code modulation
DE2032913C3 (en) * 1970-07-02 1974-06-06 Siemens Ag, 1000 Berlin Und 8000 Muenchen Circuit arrangement for controlling electronic signal transmitters
DE2358272C2 (en) * 1973-11-22 1975-12-11 Siemens Ag, 1000 Berlin Und 8000 Muenchen Device for determining errors in a message transmission system for pulse code modulation
CH607471A5 (en) * 1975-12-10 1978-12-29 Siemens Ag Albis
DE2632193C3 (en) * 1976-07-16 1979-01-25 Siemens Ag, 1000 Berlin Und 8000 Muenchen Process for pulse fault location in a high bit rate PCM system
DE2653201B2 (en) * 1976-11-23 1978-08-31 Siemens Ag, 1000 Berlin Und 8000 Muenchen Address-free fault location method for transmission links for digital signals and arrangement for carrying out this method

Also Published As

Publication number Publication date
DE3164022D1 (en) 1984-07-19
DK151758C (en) 1988-06-13
DK42381A (en) 1981-08-01
EP0033470A1 (en) 1981-08-12
NO810289L (en) 1981-08-03
ATE7990T1 (en) 1984-06-15
DE3003516A1 (en) 1981-08-06
EP0033470B1 (en) 1984-06-13
NO152990C (en) 1985-12-27
DK151758B (en) 1987-12-28
NO152990B (en) 1985-09-16

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Legal Events

Date Code Title Description
FD Application lapsed

Owner name: SIEMENS AKTIENGESELLSCHAFT