BR8401187A - Misturador de diodos - Google Patents

Misturador de diodos

Info

Publication number
BR8401187A
BR8401187A BR8401187A BR8401187A BR8401187A BR 8401187 A BR8401187 A BR 8401187A BR 8401187 A BR8401187 A BR 8401187A BR 8401187 A BR8401187 A BR 8401187A BR 8401187 A BR8401187 A BR 8401187A
Authority
BR
Brazil
Prior art keywords
direct control
oscillator
control voltage
predetermined direct
signal
Prior art date
Application number
BR8401187A
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 BR8401187A publication Critical patent/BR8401187A/pt

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J5/00—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner
    • H03J5/02—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with variable tuning element having a number of predetermined settings and adjustable to a desired one of these settings
    • H03J5/0245—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form
    • H03J5/0272—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form the digital values being used to preset a counter or a frequency divider in a phase locked loop, e.g. frequency synthesizer
    • H03J5/0281—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form the digital values being used to preset a counter or a frequency divider in a phase locked loop, e.g. frequency synthesizer the digital values being held in an auxiliary non erasable memory
    • 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
    • H03D7/02—Transference of modulation from one carrier to another, e.g. frequency-changing by means of diodes

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Transmitters (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Superheterodyne Receivers (AREA)
BR8401187A 1983-03-16 1984-03-15 Misturador de diodos BR8401187A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19833309399 DE3309399A1 (de) 1983-03-16 1983-03-16 Diodenmischer mit vorspannungssteuerung sowie dessen anwendung

Publications (1)

Publication Number Publication Date
BR8401187A true BR8401187A (pt) 1984-10-23

Family

ID=6193637

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8401187A BR8401187A (pt) 1983-03-16 1984-03-15 Misturador de diodos

Country Status (6)

Country Link
US (1) US4593411A (pt)
EP (1) EP0119439B1 (pt)
AT (1) ATE34258T1 (pt)
BR (1) BR8401187A (pt)
CA (1) CA1217236A (pt)
DE (2) DE3309399A1 (pt)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3406150C3 (de) * 1984-02-21 1997-04-03 Telefunken Microelectron Verfahren zum Abgleich einer Hochfrequenzeingangsschaltung sowie Steuerschaltung zum Durchführen des Verfahrens
DE3613536A1 (de) * 1986-04-22 1987-10-29 Ant Nachrichtentech Verfahren zur regelung eines einseitenband-aufwaertsmischers sowie anordnung hierzu
JP2563338B2 (ja) * 1987-06-02 1996-12-11 松下電器産業株式会社 低雑音コンバ−タ
DE3728020A1 (de) * 1987-08-22 1989-03-02 Spectrospin Ag Verfahren zum vermindern des anteils an stoersignalen im ausgangssignal eines mischers und zur durchfuehrung des verfahrens ausgebildeter mischer
JPH0626352B2 (ja) * 1987-11-20 1994-04-06 日本電気エンジニアリング株式会社 プログラマブル変調回路
US5001773A (en) * 1988-06-20 1991-03-19 Hughes Aircraft Company Local oscillator feedthru cancellation circuit
US5152005A (en) * 1990-01-22 1992-09-29 Motorola, Inc. High resolution frequency synthesis
US5033110A (en) * 1990-05-18 1991-07-16 Northern Telecom Limited Frequency converter for a radio communications system
US5172231A (en) * 1991-07-16 1992-12-15 Electronics Missiles & Communications, Inc. S-band video signal transmitter
US5465418A (en) * 1993-04-29 1995-11-07 Drexel University Self-oscillating mixer circuits and methods therefor
TW280049B (pt) * 1994-09-01 1996-07-01 Matsushita Electric Ind Co Ltd
JP3458586B2 (ja) * 1995-08-21 2003-10-20 松下電器産業株式会社 マイクロ波ミキサー回路とダウンコンバータ
US6397276B1 (en) * 1999-03-29 2002-05-28 Eugene Rzyski Data transmission by an alternating-frequency analog signal

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2425454A (en) * 1942-10-23 1947-08-12 Hazeltine Research Inc Tracking tunable system
CH412024A (de) * 1964-05-22 1966-04-30 Siemens Ag Albis Schaltungsanordnung zur Vermeidung der Übersteuerung von Dioden-Mischstufen
NL7208875A (pt) * 1972-06-28 1974-01-02
US3868601A (en) * 1973-06-18 1975-02-25 Us Navy Digital single-sideband modulator
DE2814577A1 (de) * 1978-04-05 1979-10-11 Nordmende Ueberlagerungsempfaenger
IT1104120B (it) * 1978-04-18 1985-10-14 Selenia Ind Elettroniche Perfezionamento nei sistemi di traslazione di frequenza per segnali modulati in frequenza
DE2834231A1 (de) * 1978-08-04 1980-02-28 Blaupunkt Werke Gmbh Verfahren zur selbsttaetigen gleichlaufeinstellung zwischen vor- und oszillatorkreis in einem ueberlagerungsempfaenger und schaltungsanordnung zur durchfuehrung dieses verfahrens
DE2923046C2 (de) * 1979-06-07 1983-06-09 AEG-Telefunken Nachrichtentechnik GmbH, 7150 Backnang Mischeranordnung zur Kompensation der Nichtlinearitäten von Übertragungsgliedern in einem Richtfunkübertragungssystem
US4360788A (en) * 1980-07-14 1982-11-23 John Fluke Mfg. Co., Inc. Phase-locked loop frequency synthesizer
DE3032378A1 (de) * 1980-08-28 1982-04-01 Robert Bosch Gmbh, 7000 Stuttgart Vielkanal-sprechfunkgeraet fuer die betriebsarten wechselsprechen und/oder bedingtes gegensprechen

Also Published As

Publication number Publication date
CA1217236A (en) 1987-01-27
DE3471214D1 (en) 1988-06-16
EP0119439A3 (en) 1985-11-27
US4593411A (en) 1986-06-03
ATE34258T1 (de) 1988-05-15
EP0119439A2 (de) 1984-09-26
EP0119439B1 (de) 1988-05-11
DE3309399A1 (de) 1984-09-20

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Legal Events

Date Code Title Description
MM Lapse due to non-payment of fees (art. 50)