FR1145233A - Multi-channel generator for high frequencies - Google Patents

Multi-channel generator for high frequencies

Info

Publication number
FR1145233A
FR1145233A FR1145233DA FR1145233A FR 1145233 A FR1145233 A FR 1145233A FR 1145233D A FR1145233D A FR 1145233DA FR 1145233 A FR1145233 A FR 1145233A
Authority
FR
France
Prior art keywords
high frequencies
channel generator
generator
channel
frequencies
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
Other languages
French (fr)
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR1145233A publication Critical patent/FR1145233A/en
Expired legal-status Critical Current

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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
    • H03J7/02—Automatic frequency control
    • H03J7/04—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant
    • H03J7/06—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant using counters or frequency dividers
    • H03J7/065—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant using counters or frequency dividers the counter or frequency divider being used in a phase locked loop
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/16—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop
    • H03L7/22—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using more than one loop
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
FR1145233D 1954-12-14 1955-12-13 Multi-channel generator for high frequencies Expired FR1145233A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL336457X 1954-12-14

Publications (1)

Publication Number Publication Date
FR1145233A true FR1145233A (en) 1957-10-23

Family

ID=19784556

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1145233D Expired FR1145233A (en) 1954-12-14 1955-12-13 Multi-channel generator for high frequencies

Country Status (6)

Country Link
BE (1) BE543623A (en)
CH (1) CH336457A (en)
DE (1) DE1011003B (en)
FR (1) FR1145233A (en)
GB (1) GB790807A (en)
NL (1) NL87547C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2497425A1 (en) * 1980-12-31 1982-07-02 Adret Electronique FREQUENCY SYNTHESIZER WITH FRACTIONAL MULTIPLIER

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3155919A (en) * 1961-01-03 1964-11-03 Collins Radio Co A. f. c. spectrum lock-in circuit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2497425A1 (en) * 1980-12-31 1982-07-02 Adret Electronique FREQUENCY SYNTHESIZER WITH FRACTIONAL MULTIPLIER

Also Published As

Publication number Publication date
NL87547C (en)
DE1011003B (en) 1957-06-27
BE543623A (en)
CH336457A (en) 1959-02-28
GB790807A (en) 1958-02-19

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