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FR2268398A1 - Pulse shaping or regeneration circuit - uses a Schmitt trigger and memory with two parallel networks - Google Patents

Pulse shaping or regeneration circuit - uses a Schmitt trigger and memory with two parallel networks

Info

Publication number
FR2268398A1
FR2268398A1 FR7413634A FR7413634A FR2268398A1 FR 2268398 A1 FR2268398 A1 FR 2268398A1 FR 7413634 A FR7413634 A FR 7413634A FR 7413634 A FR7413634 A FR 7413634A FR 2268398 A1 FR2268398 A1 FR 2268398A1
Authority
FR
France
Prior art keywords
schmitt trigger
memory
pulse
parallel networks
pulse shaping
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
FR7413634A
Other languages
French (fr)
Other versions
FR2268398B1 (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Lignes Telegraphiques et Telephoniques LTT SA
Original Assignee
Lignes Telegraphiques et Telephoniques LTT SA
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 Lignes Telegraphiques et Telephoniques LTT SA filed Critical Lignes Telegraphiques et Telephoniques LTT SA
Priority to FR7413634A priority Critical patent/FR2268398A1/en
Priority to BE155367A priority patent/BE827881A/en
Priority to DE19752517177 priority patent/DE2517177C3/en
Priority to IT6799575A priority patent/IT1032712B/en
Publication of FR2268398A1 publication Critical patent/FR2268398A1/en
Application granted granted Critical
Publication of FR2268398B1 publication Critical patent/FR2268398B1/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
    • H03K5/01—Shaping pulses
    • H03K5/12—Shaping pulses by steepening leading or trailing edges

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Manipulation Of Pulses (AREA)
  • Radar Systems Or Details Thereof (AREA)

Abstract

The method for regenerating or correcting the deformation of pulse rise and fall shapes, particularly in the field of telephone network automatic switching where such deformation may be considerable and where signal levels may vary by several dBs. The technique employs a Schmitt trigger circuit fed from a memory block. This block is fed from two parallel networks connected to the pulse input circuitry. The first network has a linear transfer characteristic providing a delayed trigger to the Schmitt circuit. The second network provides a correction using the trailing slope of the input pulse.
FR7413634A 1974-04-19 1974-04-19 Pulse shaping or regeneration circuit - uses a Schmitt trigger and memory with two parallel networks Granted FR2268398A1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR7413634A FR2268398A1 (en) 1974-04-19 1974-04-19 Pulse shaping or regeneration circuit - uses a Schmitt trigger and memory with two parallel networks
BE155367A BE827881A (en) 1974-04-19 1975-04-11 SIGNALING PULSES REGENERATION PROCESS AND IMPLEMENTATION DEVICES
DE19752517177 DE2517177C3 (en) 1974-04-19 1975-04-18 Method and circuit arrangement for the regeneration of signaling pulses
IT6799575A IT1032712B (en) 1974-04-19 1975-04-18 PROCEDURE AND DEVICE FOR THE REGENERATION OF SIGNALING PULSES PARTICULARLY FOR TELEPHONE NETWORKS

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7413634A FR2268398A1 (en) 1974-04-19 1974-04-19 Pulse shaping or regeneration circuit - uses a Schmitt trigger and memory with two parallel networks

Publications (2)

Publication Number Publication Date
FR2268398A1 true FR2268398A1 (en) 1975-11-14
FR2268398B1 FR2268398B1 (en) 1976-12-17

Family

ID=9137843

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7413634A Granted FR2268398A1 (en) 1974-04-19 1974-04-19 Pulse shaping or regeneration circuit - uses a Schmitt trigger and memory with two parallel networks

Country Status (4)

Country Link
BE (1) BE827881A (en)
DE (1) DE2517177C3 (en)
FR (1) FR2268398A1 (en)
IT (1) IT1032712B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2848516C3 (en) * 1978-11-08 1981-12-03 Siemens AG, 1000 Berlin und 8000 München Circuit arrangement for evaluating the out-of-band signal pulses in carrier frequency systems

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1285572B (en) * 1965-11-29 1968-12-19 Siemens AG, Berlin und München, 8000 München Circuit arrangement for evaluating signals formed by means of a sampled alternating current, in particular dial symbols in telecommunications, in particular telephone systems
US3588712A (en) * 1968-08-02 1971-06-28 Fujitsu Ltd Two level weak signal detecting circuit
DE2053378C3 (en) * 1970-10-30 1975-06-12 Siemens Ag Circuit arrangement for the regeneration of quasiternary pulse code modulated signals
US3725795A (en) * 1971-12-22 1973-04-03 Lorain Prod Corp A-c voltage detector

Also Published As

Publication number Publication date
IT1032712B (en) 1979-06-20
FR2268398B1 (en) 1976-12-17
DE2517177A1 (en) 1975-10-23
DE2517177C3 (en) 1982-05-06
BE827881A (en) 1975-07-31
DE2517177B2 (en) 1977-02-24

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Legal Events

Date Code Title Description
ST Notification of lapse