NL7208423A - - Google Patents

Info

Publication number
NL7208423A
NL7208423A NL7208423A NL7208423A NL7208423A NL 7208423 A NL7208423 A NL 7208423A NL 7208423 A NL7208423 A NL 7208423A NL 7208423 A NL7208423 A NL 7208423A NL 7208423 A NL7208423 A NL 7208423A
Authority
NL
Netherlands
Application number
NL7208423A
Other versions
NL175867C (nl
NL175867B (nl
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
Priority claimed from DE19712140680 external-priority patent/DE2140680C3/de
Application filed filed Critical
Publication of NL7208423A publication Critical patent/NL7208423A/xx
Publication of NL175867B publication Critical patent/NL175867B/xx
Application granted granted Critical
Publication of NL175867C publication Critical patent/NL175867C/xx

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/3052—Automatic control in amplifiers having semiconductor devices in bandpass amplifiers (H.F. or I.F.) or in frequency-changers used in a (super)heterodyne receiver
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
    • H03D7/16—Multiple-frequency-changing
    • H03D7/161—Multiple-frequency-changing all the frequency changers being connected in cascade
    • H03D7/163—Multiple-frequency-changing all the frequency changers being connected in cascade the local oscillations of at least two of the frequency changers being derived from a single oscillator
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
    • H03D7/18—Modifications of frequency-changers for eliminating image frequencies

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Superheterodyne Receivers (AREA)
  • Transmitters (AREA)
  • Stereo-Broadcasting Methods (AREA)
NL7208423A 1971-08-13 1972-06-20 Ontvanginrichting voor ultrakorte-golf-radio-omroepsignalen, in het bijzonder een hoofdapparaat van een gemeenschappelijke antenne-installatie. NL175867C (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19712140680 DE2140680C3 (de) 1971-08-13 Empfangsstelle für UKW-Tonrundfunksignale
DE19792902650 DE2902650A1 (de) 1971-08-13 1979-01-24 Empfangsstelle fuer ukw-tonrundfunksignale

Publications (3)

Publication Number Publication Date
NL7208423A true NL7208423A (de) 1973-02-15
NL175867B NL175867B (nl) 1984-08-01
NL175867C NL175867C (nl) 1985-01-02

Family

ID=25761597

Family Applications (2)

Application Number Title Priority Date Filing Date
NL7208423A NL175867C (nl) 1971-08-13 1972-06-20 Ontvanginrichting voor ultrakorte-golf-radio-omroepsignalen, in het bijzonder een hoofdapparaat van een gemeenschappelijke antenne-installatie.
NL8000468A NL8000468A (nl) 1971-08-13 1980-01-24 Radio-ontvangpost voor ultra-kortegolfsignalen.

Family Applications After (1)

Application Number Title Priority Date Filing Date
NL8000468A NL8000468A (nl) 1971-08-13 1980-01-24 Radio-ontvangpost voor ultra-kortegolfsignalen.

Country Status (4)

Country Link
CH (1) CH538784A (de)
DE (1) DE2902650A1 (de)
GB (1) GB1324679A (de)
NL (2) NL175867C (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6115363A (en) * 1997-02-19 2000-09-05 Nortel Networks Corporation Transceiver bandwidth extension using double mixing
EP1710907A1 (de) * 2005-04-05 2006-10-11 Siemens Schweiz AG System zur Leistungsoptimierten Wiedergabe von Sprache

Also Published As

Publication number Publication date
GB1324679A (en) 1973-07-25
NL8000468A (nl) 1980-07-28
NL175867C (nl) 1985-01-02
DE2902650A1 (de) 1980-07-31
DE2140680B2 (de) 1976-04-08
CH538784A (de) 1973-08-15
DE2140680A1 (de) 1973-02-22
NL175867B (nl) 1984-08-01

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Legal Events

Date Code Title Description
BC A request for examination has been filed
V1 Lapsed because of non-payment of the annual fee