BR8701877A - Processo e disposicao para a regulagem de um misturador superior-faixa unilateral - Google Patents

Processo e disposicao para a regulagem de um misturador superior-faixa unilateral

Info

Publication number
BR8701877A
BR8701877A BR8701877A BR8701877A BR8701877A BR 8701877 A BR8701877 A BR 8701877A BR 8701877 A BR8701877 A BR 8701877A BR 8701877 A BR8701877 A BR 8701877A BR 8701877 A BR8701877 A BR 8701877A
Authority
BR
Brazil
Prior art keywords
mixer
converter
adjustment
arrangement
signals
Prior art date
Application number
BR8701877A
Other languages
English (en)
Inventor
Wolfgang Schiller
Original Assignee
Ant Nachrichtentech
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 Ant Nachrichtentech filed Critical Ant Nachrichtentech
Publication of BR8701877A publication Critical patent/BR8701877A/pt

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
    • H03G3/3036—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers
    • H03G3/3042—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers in modulators, frequency-changers, transmitters or power amplifiers
    • 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
    • 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
    • H03D7/165—Multiple-frequency-changing at least two frequency changers being located in different paths, e.g. in two paths with carriers in quadrature
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D2200/00—Indexing scheme relating to details of demodulation or transference of modulation from one carrier to another covered by H03D
    • H03D2200/0001—Circuit elements of demodulators
    • H03D2200/0025—Gain control circuits
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D2200/00—Indexing scheme relating to details of demodulation or transference of modulation from one carrier to another covered by H03D
    • H03D2200/0001—Circuit elements of demodulators
    • H03D2200/0029—Loop circuits with controlled phase shift
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D2200/00—Indexing scheme relating to details of demodulation or transference of modulation from one carrier to another covered by H03D
    • H03D2200/0041—Functional aspects of demodulators
    • H03D2200/0094—Measures to address temperature induced variations of demodulation
    • H03D2200/0096—Measures to address temperature induced variations of demodulation by stabilising the temperature
    • 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
    • H03D7/14—Balanced arrangements
    • H03D7/1408—Balanced arrangements with diodes
    • 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)
  • Transmitters (AREA)
  • Superheterodyne Receivers (AREA)
  • Amplitude Modulation (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Dc-Dc Converters (AREA)
BR8701877A 1986-04-22 1987-04-21 Processo e disposicao para a regulagem de um misturador superior-faixa unilateral BR8701877A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19863613536 DE3613536A1 (de) 1986-04-22 1986-04-22 Verfahren zur regelung eines einseitenband-aufwaertsmischers sowie anordnung hierzu

Publications (1)

Publication Number Publication Date
BR8701877A true BR8701877A (pt) 1988-01-26

Family

ID=6299228

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8701877A BR8701877A (pt) 1986-04-22 1987-04-21 Processo e disposicao para a regulagem de um misturador superior-faixa unilateral

Country Status (6)

Country Link
US (1) US4850035A (pt)
EP (1) EP0243733B1 (pt)
AT (1) ATE73271T1 (pt)
BR (1) BR8701877A (pt)
CA (1) CA1270527A (pt)
DE (2) DE3613536A1 (pt)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5086512A (en) * 1988-04-20 1992-02-04 Hewlett-Packard Company Compensation system for dynamically tracking and nulling local oscillator feedthrough
EP0338125A1 (en) * 1988-04-20 1989-10-25 Hewlett-Packard Company Method and apparatus for nulling local oscillator feedthrough
US5099252A (en) * 1989-12-08 1992-03-24 Larsen Electronics, Inc. Mobile cellular antenna system
US5033110A (en) * 1990-05-18 1991-07-16 Northern Telecom Limited Frequency converter for a radio communications system
US5463405A (en) * 1994-05-20 1995-10-31 Valor Enterprises, Inc. Cellular telephone coupling network
FR2720880B1 (fr) * 1994-06-06 1996-08-02 Fournier Jean Michel Dispositif de suppression du signal image d'un signal de base transposé à une fréquence intermédiaire.
US5600333A (en) * 1995-01-26 1997-02-04 Larsen Electronics, Inc. Active repeater antenna assembly
DE19532989C1 (de) * 1995-09-07 1996-11-07 Telefunken Microelectron Multiplikative Mischstufe
US6172651B1 (en) 1995-10-25 2001-01-09 Larsen Electronics, Inc. Dual-band window mounted antenna system for mobile communications
US5898408A (en) * 1995-10-25 1999-04-27 Larsen Electronics, Inc. Window mounted mobile antenna system using annular ring aperture coupling
FR2894698B1 (fr) * 2005-12-08 2008-02-29 St Microelectronics Sa Circuit integre sans contact comprenant un circuit d'alimentation electrique a haut rendement

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1104120B (it) * 1978-04-18 1985-10-14 Selenia Ind Elettroniche Perfezionamento nei sistemi di traslazione di frequenza per segnali modulati in frequenza
DE2923046C2 (de) * 1979-06-07 1983-06-09 AEG-Telefunken Nachrichtentechnik GmbH, 7150 Backnang Mischeranordnung zur Kompensation der Nichtlinearitäten von Übertragungsgliedern in einem Richtfunkübertragungssystem
DE3113005A1 (de) * 1981-04-01 1982-10-21 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Verfahren und schaltungsanordnung zur kompensation der nichtlinearitaeten von uebertragungsgliedern in einem richtfunkuebertragungssystem
FR2520565B1 (fr) * 1982-01-26 1986-04-11 Thomson Csf Dispositif de modulation, pour chaine de modulation de type a bande laterale unique
GB2117589B (en) * 1982-03-26 1985-10-16 Philips Electronic Associated Polar loop transmitter
US4475242A (en) * 1982-11-10 1984-10-02 Marc Rafal Microwave communications system
DE3309399A1 (de) * 1983-03-16 1984-09-20 ANT Nachrichtentechnik GmbH, 7150 Backnang Diodenmischer mit vorspannungssteuerung sowie dessen anwendung
EP0139034B1 (de) * 1983-10-21 1988-01-13 ANT Nachrichtentechnik GmbH Verfahren zum Übertragen von Nachrichtendiensten über Satelliten
DE3344318C1 (de) * 1983-12-08 1985-05-15 ANT Nachrichtentechnik GmbH, 7150 Backnang Frequenzumsetzer mit einer Schaltungsanordnung zum Unterdrücken eines Oszillatorsignals im Ausgangssignal eines Mischers
US4726069A (en) * 1984-05-18 1988-02-16 Stevenson Carl R A muiti-mode modulation and demodulation system and method
CA1238086A (en) * 1984-08-17 1988-06-14 Joseph P. Mcgeehan Data transmission using a transparent tone-in band system

Also Published As

Publication number Publication date
EP0243733A2 (de) 1987-11-04
DE3776950D1 (de) 1992-04-09
ATE73271T1 (de) 1992-03-15
EP0243733A3 (en) 1989-04-12
EP0243733B1 (de) 1992-03-04
CA1270527A (en) 1990-06-19
DE3613536A1 (de) 1987-10-29
US4850035A (en) 1989-07-18

Similar Documents

Publication Publication Date Title
BR8701877A (pt) Processo e disposicao para a regulagem de um misturador superior-faixa unilateral
MX9702721A (es) Convertidor de radiofrecuencia de banda ancha que tiene uso multiple de traductores de frecuencia intermedia.
NO996283L (no) Multimodusrettmottaker
KR900004119A (ko) C/ku- 밴드 위성방송 동시 수신용 LNB
SE8801076D0 (sv) High-frequency signal booster
WO1999022456A3 (en) Arrangement and method relating to radio communication
JPS5731235A (en) Receiving system
JPS5792931A (en) Space diversity receiving device
JPS5588419A (en) Frequency sweep receiver
NO173470C (no) Kvitret tilbakesprednings filter
JPS5684005A (en) Fm demodulator
GB2015282A (en) FM receiver
KR0124732Y1 (ko) 더블 컨버젼 튜너의 주파수 선국 장치
HK59096A (en) Circuit arrangement for generating a clock signal
JPS5574475A (en) Receiver for hyperbolic navigation
ATE45648T1 (de) Digitaler quarzstabiler fm-diskriminator.
KR910011032A (ko) 싱글컨버젼방식을 이용한 tv 고주파신호처리 시스팀
JPS5625807A (en) Oscillator
JPS5631234A (en) Beat interference eliminating unit
ATE46993T1 (de) Schaltungsanordnung zum empfang von fernsehsignalen.
ES450963A1 (es) Perfeccionamientos en sintonizadores de radiofrecuencia.
JPS57154608A (en) Magnetic recording device
KR920020944A (ko) 다 방송방식 수신시스템
JPS57210734A (en) Receiving system for television tuner
JPS54114028A (en) Direct phase reproducing device

Legal Events

Date Code Title Description
B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 21/04/2002