IT1233805B - Generatore bi standard di spostamento di frequenza, particolarmente per reti televisive a maglia. - Google Patents

Generatore bi standard di spostamento di frequenza, particolarmente per reti televisive a maglia.

Info

Publication number
IT1233805B
IT1233805B IT8983388A IT8338889A IT1233805B IT 1233805 B IT1233805 B IT 1233805B IT 8983388 A IT8983388 A IT 8983388A IT 8338889 A IT8338889 A IT 8338889A IT 1233805 B IT1233805 B IT 1233805B
Authority
IT
Italy
Prior art keywords
mesh
frequency displacement
television networks
standard generator
generator
Prior art date
Application number
IT8983388A
Other languages
English (en)
Italian (it)
Other versions
IT8983388A0 (it
Inventor
Jean Alain Chabas
Joel Remy
Original Assignee
Marconi Adret 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 Marconi Adret Sa filed Critical Marconi Adret Sa
Publication of IT8983388A0 publication Critical patent/IT8983388A0/it
Application granted granted Critical
Publication of IT1233805B publication Critical patent/IT1233805B/it

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)
IT8983388A 1988-05-05 1989-04-26 Generatore bi standard di spostamento di frequenza, particolarmente per reti televisive a maglia. IT1233805B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8806027A FR2631180B1 (fr) 1988-05-05 1988-05-05 Generateur bi-standard de transposition de frequence, en particulier pour reseau maille de television

Publications (2)

Publication Number Publication Date
IT8983388A0 IT8983388A0 (it) 1989-04-26
IT1233805B true IT1233805B (it) 1992-04-17

Family

ID=9366009

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8983388A IT1233805B (it) 1988-05-05 1989-04-26 Generatore bi standard di spostamento di frequenza, particolarmente per reti televisive a maglia.

Country Status (7)

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

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2698221B1 (fr) * 1992-11-17 1995-07-21 Erfatec Oscillateur pilote pour emetteur et reemetteur tv.
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 (zh) * 2014-10-29 2017-09-26 成都锐新科技有限公司 一种基于微波设备的快速转发系统

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 (nl) * 1985-03-11 1986-10-01 Philips Nv Am-ontvanger.
US4817197A (en) * 1986-07-18 1989-03-28 Nippon Telegraph And Telephone Corporation Mobile communication apparatus

Also Published As

Publication number Publication date
FR2631180A1 (fr) 1989-11-10
SE8901293L (sv) 1989-11-06
GB2219157B (en) 1992-09-30
GB2219157A (en) 1989-11-29
ES2014083A6 (es) 1990-06-16
SE8901293D0 (sv) 1989-04-11
GB8910024D0 (en) 1989-06-21
DE3914693C2 (zh) 1992-10-29
FR2631180B1 (fr) 1991-03-29
NO891623L (no) 1989-11-06
DE3914693A1 (de) 1989-11-16
NO891623D0 (no) 1989-04-20
IT8983388A0 (it) 1989-04-26

Similar Documents

Publication Publication Date Title
DE69129856D1 (de) Selbstheilendes, logische ringstrukturen gebrauchendes, maschennetzwerk
NO890378L (no) Senterfrekvent hoeyopploesnings digital faselaast sloeyfe.
EP0601780A3 (en) Digital programmable frequency generator.
DE69022122D1 (de) Frequenzsteuerschaltung für VCO.
DE3584985D1 (de) Phasensynchronisierungsschaltung.
DE68912407D1 (de) Funkfernsprechapparat.
MX9202253A (es) Supervision de radio frecuencia movil digital.
NO911389L (no) Frekvenssyntetisator.
DE3853563D1 (de) Digitale Frequenzsynthesierer.
DE68914805D1 (de) Digitaler Frequenzteiler.
EP0567269A3 (en) Clock generator with fractionally programmable frequency division.
DE59007916D1 (de) Phasenvergleichsschaltung.
DE69328445T2 (de) Kompensierter, digitaler frequenzsynthetisierer
GB2241109B (en) A semiconductor-laser-pumped,solid-state laser
ITTO920788A0 (it) Metodo a appareccchiatura di saldatura ceramica.
FI894427A (fi) Digital frekvensgenerator.
FI885074A0 (fi) Foerfarande foer framstaellning av en vaetskeformig, elektrostatisk framkallare.
IT1233805B (it) Generatore bi standard di spostamento di frequenza, particolarmente per reti televisive a maglia.
NO913197D0 (no) Frekvenssyntetisator.
DE58909104D1 (de) Vermaschtes Fernmeldenetz.
DE59003378D1 (de) Frequenzgangkompensierte schaltung.
IT1209601B (it) Stadio a frequenza intermedia per televisione, quasi-parallelo, adatto per la ricezione audio stereofonica.
EP0608704A3 (de) Schaltungsanordnung zur Frequenzteilung durch eine ungerade Zahl.
FR2657455B1 (fr) Condensateur a haute energie volumique, auto-cicatrisant.
DE59003559D1 (de) Hochfrequenz-Röntgengenerator.

Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19940429