GB2219157B - Reference frequency generator - Google Patents

Reference frequency generator

Info

Publication number
GB2219157B
GB2219157B GB8910024A GB8910024A GB2219157B GB 2219157 B GB2219157 B GB 2219157B GB 8910024 A GB8910024 A GB 8910024A GB 8910024 A GB8910024 A GB 8910024A GB 2219157 B GB2219157 B GB 2219157B
Authority
GB
United Kingdom
Prior art keywords
reference frequency
frequency generator
generator
frequency
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 - Fee Related
Application number
GB8910024A
Other versions
GB8910024D0 (en
GB2219157A (en
Inventor
Jean-Alain Chabas
Joel Remy
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.)
MARCONI ADRET
Original Assignee
MARCONI ADRET
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 MARCONI ADRET filed Critical MARCONI ADRET
Publication of GB8910024D0 publication Critical patent/GB8910024D0/en
Publication of GB2219157A publication Critical patent/GB2219157A/en
Application granted granted Critical
Publication of GB2219157B publication Critical patent/GB2219157B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • H03L7/08—Details of the phase-locked loop
    • H03L7/0805—Details of the phase-locked loop the loop being adapted to provide an additional control signal for use outside the 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
    • H03L7/23—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 with pulse counters or frequency dividers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/38—Transmitter circuitry for the transmission of television signals according to analogue transmission standards

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Radio Relay Systems (AREA)
GB8910024A 1988-05-05 1989-05-02 Reference frequency generator Expired - Fee Related GB2219157B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8806027A FR2631180B1 (en) 1988-05-05 1988-05-05 BI-STANDARD FREQUENCY TRANSPOSITION GENERATOR, PARTICULARLY FOR TELEVISION MESH NETWORK

Publications (3)

Publication Number Publication Date
GB8910024D0 GB8910024D0 (en) 1989-06-21
GB2219157A GB2219157A (en) 1989-11-29
GB2219157B true GB2219157B (en) 1992-09-30

Family

ID=9366009

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8910024A Expired - Fee Related GB2219157B (en) 1988-05-05 1989-05-02 Reference frequency generator

Country Status (7)

Country Link
DE (1) DE3914693A1 (en)
ES (1) ES2014083A6 (en)
FR (1) FR2631180B1 (en)
GB (1) GB2219157B (en)
IT (1) IT1233805B (en)
NO (1) NO891623L (en)
SE (1) SE8901293L (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2698221B1 (en) * 1992-11-17 1995-07-21 Erfatec PILOT OSCILLATOR FOR TV TRANSMITTER AND TRANSMITTER.
GB9505522D0 (en) * 1995-03-18 1995-05-03 Gen Electric Co Plc Commodity consumption registering meters
US6549242B1 (en) * 1997-04-04 2003-04-15 Harris Corporation Combining adjacent TV channels for transmission by a common antenna
CN104348537B (en) * 2014-10-29 2017-09-26 成都锐新科技有限公司 A kind of fast-forwarding system based on microwave equipment

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4571621A (en) * 1983-06-15 1986-02-18 Microband Corporation Of America Television transmitter
NL8500675A (en) * 1985-03-11 1986-10-01 Philips Nv AM RECEIVER.
US4817197A (en) * 1986-07-18 1989-03-28 Nippon Telegraph And Telephone Corporation Mobile communication apparatus

Also Published As

Publication number Publication date
SE8901293D0 (en) 1989-04-11
NO891623L (en) 1989-11-06
DE3914693A1 (en) 1989-11-16
SE8901293L (en) 1989-11-06
GB8910024D0 (en) 1989-06-21
DE3914693C2 (en) 1992-10-29
IT1233805B (en) 1992-04-17
ES2014083A6 (en) 1990-06-16
FR2631180A1 (en) 1989-11-10
NO891623D0 (en) 1989-04-20
IT8983388A0 (en) 1989-04-26
GB2219157A (en) 1989-11-29
FR2631180B1 (en) 1991-03-29

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19950502