MX9702721A - Convertidor de radiofrecuencia de banda ancha que tiene uso multiple de traductores de frecuencia intermedia. - Google Patents

Convertidor de radiofrecuencia de banda ancha que tiene uso multiple de traductores de frecuencia intermedia.

Info

Publication number
MX9702721A
MX9702721A MX9702721A MX9702721A MX9702721A MX 9702721 A MX9702721 A MX 9702721A MX 9702721 A MX9702721 A MX 9702721A MX 9702721 A MX9702721 A MX 9702721A MX 9702721 A MX9702721 A MX 9702721A
Authority
MX
Mexico
Prior art keywords
frequency
mhz
signals
conversion
multiple use
Prior art date
Application number
MX9702721A
Other languages
English (en)
Inventor
Stephen P Caldwell
Marvie Harris Jr
Demetrios J Matsakis
Ronald W Minarik
Kenneth M Schmidt
Benjamin F Weigand
Robert S Prill
Arnold B Siegel
Original Assignee
Northrop Grumman Corp Y
Marconi Electronic Syst Gec
Corp
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 Northrop Grumman Corp Y, Marconi Electronic Syst Gec, Corp filed Critical Northrop Grumman Corp Y
Publication of MX9702721A publication Critical patent/MX9702721A/es

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
    • H03J5/24—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 a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection
    • H03J5/242—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 a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection used exclusively for band selection
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Superheterodyne Receivers (AREA)
  • Radio Relay Systems (AREA)

Abstract

Un convertidor de frecuencia de radiofrecuencia a frecuencia intermedia de banda ancha que proporciona uso multiple de componentes de conversion de frecuencia pata muchos tipos diferentes de señales de radiofrecuencia de entrada. En ejemplos específicos, muchos tipos diferentes de señales para comunicacion, navegacion y para interrogacion son procesados a través de canales de conversion de frecuencia comunes al menos parcialmente. Tales señales de entrada de radiofrecuencia en el rango de aproximadamente 2 MHz a 2,000 MHz son convertidas a frecuencias de frecuencia intermedia de salida, tales como 1 MHz y 30 MHz, para procesamiento adicional en el receptor comun. Algunas señales de banda angosta, después de conversion a frecuencia intermedia, son sometidas a filtrado de centro desplazado en filtros de frecuencia intermedia, son sometidas a filtrado de centro desplazado en filtros de frecuencia intermedia de banda relativamente ancha. No se usan filtros de radiofrecuencia. Entre muchas etapas de conversion de frecuencia, solo es sintonizable una de las señales de oscilador local, pero es hecha sintonizable en pasos relativamente pequeños, precisos, utilizando un arreglo de doble circuito de asegurador de fase en el sintetizador de frecuencia.
MX9702721A 1994-10-14 1995-10-12 Convertidor de radiofrecuencia de banda ancha que tiene uso multiple de traductores de frecuencia intermedia. MX9702721A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/322,513 US5548839A (en) 1994-10-14 1994-10-14 Wide band radio-frequency converter having multiple use of intermediate frequency translators
PCT/US1995/014267 WO1996012341A1 (en) 1994-10-14 1995-10-12 Wide band radio-frequency converter having multiple use of intermediate frequency translators

Publications (1)

Publication Number Publication Date
MX9702721A true MX9702721A (es) 1997-12-31

Family

ID=23255208

Family Applications (1)

Application Number Title Priority Date Filing Date
MX9702721A MX9702721A (es) 1994-10-14 1995-10-12 Convertidor de radiofrecuencia de banda ancha que tiene uso multiple de traductores de frecuencia intermedia.

Country Status (7)

Country Link
US (1) US5548839A (es)
EP (1) EP0786168A1 (es)
AU (1) AU692642B2 (es)
CA (1) CA2202769A1 (es)
MX (1) MX9702721A (es)
TW (1) TW350164B (es)
WO (1) WO1996012341A1 (es)

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US7620127B1 (en) * 2005-09-28 2009-11-17 Rockwell Collins, Inc. High availability digital radio architecture
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US20130143502A1 (en) * 2010-08-13 2013-06-06 Telefonaktiebolaget Lm Ericsson (Publ) Dual Operation of User Equipment in Licensed and Unlicensed Spectrum
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CN102361438B (zh) * 2011-08-22 2017-05-31 中兴通讯股份有限公司 一种改善本振驱动能力的方法及装置
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Also Published As

Publication number Publication date
WO1996012341A1 (en) 1996-04-25
AU4143796A (en) 1996-05-06
TW350164B (en) 1999-01-11
US5548839A (en) 1996-08-20
CA2202769A1 (en) 1996-04-25
AU692642B2 (en) 1998-06-11
EP0786168A1 (en) 1997-07-30

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