GB1309370A - Frequency sources - Google Patents

Frequency sources

Info

Publication number
GB1309370A
GB1309370A GB649072A GB649072A GB1309370A GB 1309370 A GB1309370 A GB 1309370A GB 649072 A GB649072 A GB 649072A GB 649072 A GB649072 A GB 649072A GB 1309370 A GB1309370 A GB 1309370A
Authority
GB
United Kingdom
Prior art keywords
pulse
amplifier
output
pulses
input
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.)
Expired
Application number
GB649072A
Other languages
English (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.)
Alcatel CIT SA
Nokia Inc
Original Assignee
Compagnie Industrielle de Telecommunication CIT Alcatel SA
Nokia Inc
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 Compagnie Industrielle de Telecommunication CIT Alcatel SA, Nokia Inc filed Critical Compagnie Industrielle de Telecommunication CIT Alcatel SA
Publication of GB1309370A publication Critical patent/GB1309370A/en
Expired 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
    • H03K5/15—Arrangements in which pulses are delivered at different times at several outputs, i.e. pulse distributors
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/52—Circuit arrangements for protecting such amplifiers
    • H03F1/54—Circuit arrangements for protecting such amplifiers with tubes only
    • H03F1/542—Replacing by standby devices
    • 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
    • H03K5/02—Shaping pulses by amplifying
    • 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
    • H04B1/74—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 for increasing reliability, e.g. using redundant or spare channels or apparatus
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J1/00—Frequency-division multiplex systems
    • H04J1/02—Details
    • H04J1/06—Arrangements for supplying the carrier waves ; Arrangements for supplying synchronisation signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J1/00—Frequency-division multiplex systems
    • H04J1/02—Details
    • H04J1/16—Monitoring arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
GB649072A 1971-02-12 1972-02-11 Frequency sources Expired GB1309370A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7104712A FR2126944B1 (enExample) 1971-02-12 1971-02-12

Publications (1)

Publication Number Publication Date
GB1309370A true GB1309370A (en) 1973-03-07

Family

ID=9071786

Family Applications (1)

Application Number Title Priority Date Filing Date
GB649072A Expired GB1309370A (en) 1971-02-12 1972-02-11 Frequency sources

Country Status (9)

Country Link
US (1) US3795869A (enExample)
JP (1) JPS5746254B1 (enExample)
BE (1) BE778695A (enExample)
DE (1) DE2125940C3 (enExample)
FR (1) FR2126944B1 (enExample)
GB (1) GB1309370A (enExample)
IT (1) IT949072B (enExample)
LU (1) LU64731A1 (enExample)
NL (1) NL154379B (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5719992Y2 (enExample) * 1976-05-31 1982-04-27
US4081731A (en) * 1976-08-03 1978-03-28 Sperry Rand Corporation Pulse width modulated servo amplifier with over-current protection
JPS6033328B2 (ja) * 1979-05-25 1985-08-02 富士通株式会社 バイポ−ラ信号切替回路
US4298844A (en) * 1980-03-21 1981-11-03 Comsonics, Inc. Split-band redundant amplifier system
DK0415111T3 (da) * 1989-08-28 1996-07-08 Siemens Ag Drifts-reserve-taktforsyning til digitale systemer

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3283169A (en) * 1960-07-11 1966-11-01 Magnavox Co Redundancy circuit
DE1222550B (de) * 1962-02-27 1966-08-11 Ericsson Telephones Ltd Schaltungsanordnung zum UEberwachen zweier parallelbetriebener gleichartiger UEbertragungseinrichtungen in Zeitmultiplex-Fernmeldevermittlungsanlagen
US3223940A (en) * 1962-06-29 1965-12-14 Gen Electric Redundant signal amplifier transmission channel
GB989329A (en) * 1964-01-16 1965-04-14 Standard Telephones Cables Ltd Electrical amplifying circuits
GB1199931A (en) * 1966-07-21 1970-07-22 Mini Of Technology London Improvements in or relating to Redundant Binary Logic Elements
US3496477A (en) * 1967-06-29 1970-02-17 Bell Telephone Labor Inc Clock pulse failure detector

Also Published As

Publication number Publication date
JPS5746254B1 (enExample) 1982-10-02
DE2125940A1 (de) 1972-08-17
IT949072B (it) 1973-06-11
FR2126944B1 (enExample) 1975-07-04
NL154379B (nl) 1977-08-15
DE2125940B2 (de) 1981-07-16
NL7107102A (enExample) 1972-08-15
FR2126944A1 (enExample) 1972-10-13
BE778695A (fr) 1972-07-31
US3795869A (en) 1974-03-05
LU64731A1 (enExample) 1973-01-05
JPS4719756A (enExample) 1972-09-25
DE2125940C3 (de) 1982-03-25

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee