NL1000486C2 - Fork circuit for twisted pair transmission line - Google Patents

Fork circuit for twisted pair transmission line

Info

Publication number
NL1000486C2
NL1000486C2 NL1000486A NL1000486A NL1000486C2 NL 1000486 C2 NL1000486 C2 NL 1000486C2 NL 1000486 A NL1000486 A NL 1000486A NL 1000486 A NL1000486 A NL 1000486A NL 1000486 C2 NL1000486 C2 NL 1000486C2
Authority
NL
Netherlands
Prior art keywords
impedance
transmission line
twisted pair
pair transmission
fork circuit
Prior art date
Application number
NL1000486A
Other languages
Dutch (nl)
Inventor
Cornelis Maria De Blok
Eric Simon Trommel
Robertus Franciscus Mari Brink
Original Assignee
Nederland Ptt
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 Nederland Ptt filed Critical Nederland Ptt
Priority to NL1000486A priority Critical patent/NL1000486C2/en
Application granted granted Critical
Publication of NL1000486C2 publication Critical patent/NL1000486C2/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H04B1/54—Circuits using the same frequency for two directions of communication
    • H04B1/58—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa
    • H04B1/583—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa using a bridge network

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)

Abstract

The incoming signal from the communications system is fed via an amplifier to a bridge circuit. The bridge circuit consists of two serial branches (a, b). One branch consists of two similar line balance impedances (Za1, Za2). The second branch (b) consists of a transmission impedance (Zb1) and a characteristic termination impedance (Zterm). The transmission impedance (Zb1) consists of four serial impedance arms connected in parallel. A first parallel impedance is a simple resistance (R1) and a second impedance is a simple capacitance (C1). The other two impedances each consist of a resistance in series with a capacitance.
NL1000486A 1995-06-02 1995-06-02 Fork circuit for twisted pair transmission line NL1000486C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
NL1000486A NL1000486C2 (en) 1995-06-02 1995-06-02 Fork circuit for twisted pair transmission line

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL1000486A NL1000486C2 (en) 1995-06-02 1995-06-02 Fork circuit for twisted pair transmission line

Publications (1)

Publication Number Publication Date
NL1000486C2 true NL1000486C2 (en) 1996-12-03

Family

ID=19761107

Family Applications (1)

Application Number Title Priority Date Filing Date
NL1000486A NL1000486C2 (en) 1995-06-02 1995-06-02 Fork circuit for twisted pair transmission line

Country Status (1)

Country Link
NL (1) NL1000486C2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104155028A (en) * 2014-08-22 2014-11-19 长智光电（四川）有限公司 Device for improving temperature measurement accuracy in complex environment

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0040785A1 (en) * 1980-05-23 1981-12-02 Siemens Aktiengesellschaft Transformerless hybrid circuit
DE3115892A1 (en) * 1980-04-21 1982-02-11 Siemens AG, 1000 Berlin und 8000 München "TRANSFORMERLESS TWO-WIRE / FOUR-WIRE FORK CIRCUIT"

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3115892A1 (en) * 1980-04-21 1982-02-11 Siemens AG, 1000 Berlin und 8000 München "TRANSFORMERLESS TWO-WIRE / FOUR-WIRE FORK CIRCUIT"
EP0040785A1 (en) * 1980-05-23 1981-12-02 Siemens Aktiengesellschaft Transformerless hybrid circuit

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
ZANIDAKIS: "Length Compensated Hybrid Circuit", TECHNICAL DIGEST-WESTERN ELECTRIC, no. 65, NEW YORK , NY,US, pages 27 - 28 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104155028A (en) * 2014-08-22 2014-11-19 长智光电（四川）有限公司 Device for improving temperature measurement accuracy in complex environment

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Legal Events

Date Code Title Description
PD2B A search report has been drawn up
TD Modifications of names of proprietors of patents

Owner name: KONINKLIJKE KPN N.V.

VD1 Lapsed due to non-payment of the annual fee

Effective date: 20030101