IN165870B - - Google Patents

Info

Publication number
IN165870B
IN165870B IN344/CAL/86A IN344CA1986A IN165870B IN 165870 B IN165870 B IN 165870B IN 344CA1986 A IN344CA1986 A IN 344CA1986A IN 165870 B IN165870 B IN 165870B
Authority
IN
India
Prior art keywords
sub
transmitter
filters
filter
frequency
Prior art date
Application number
IN344/CAL/86A
Other languages
English (en)
Inventor
Helmut Funfgelder
Dieter Ochsmann
Johann-Gerhard Zirwas
Original Assignee
Siemens Ag
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 Siemens Ag filed Critical Siemens Ag
Publication of IN165870B publication Critical patent/IN165870B/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/02—Transmitters
    • H04B1/04—Circuits
    • H04B1/0475—Circuits with means for limiting noise, interference or distortion
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transmitters (AREA)
  • Control Of High-Frequency Heating Circuits (AREA)
  • Glass Compositions (AREA)
  • Developing Agents For Electrophotography (AREA)
  • Conductive Materials (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Discharge Lamps And Accessories Thereof (AREA)
IN344/CAL/86A 1985-06-25 1986-05-01 IN165870B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3522712 1985-06-25

Publications (1)

Publication Number Publication Date
IN165870B true IN165870B (it) 1990-02-03

Family

ID=6274148

Family Applications (1)

Application Number Title Priority Date Filing Date
IN344/CAL/86A IN165870B (it) 1985-06-25 1986-05-01

Country Status (7)

Country Link
US (1) US4723306A (it)
EP (1) EP0208182B1 (it)
AT (1) ATE47943T1 (it)
DE (1) DE3666908D1 (it)
IN (1) IN165870B (it)
NO (1) NO168980C (it)
ZA (1) ZA864700B (it)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5129100A (en) * 1989-09-05 1992-07-07 General Instrument Corp. Agile output band pass filter for agile up converter
FR2666417B1 (fr) * 1990-08-31 1993-03-26 Tekelec Airtronic Sa Procede pour controler le fonctionnement d'un systeme comprenant un arrangement de filtre et un dispositif utilisateur tel qu'une antenne relie a ce dernier, et agencement pour la mise en óoeuvre de ce procede.
GB2251147B (en) * 1990-10-01 1994-10-26 Motorola Inc Filter switching circuit
JP3086512B2 (ja) * 1990-11-14 2000-09-11 エリクソン−ジーイー モービル コミュニケーションズ ホールディング インコーポレイテッド 送信機及びその電力増幅回路
DE4116126A1 (de) * 1991-05-17 1992-11-19 Telefunken Systemtechnik Sendeeinrichtung fuer den frequenz-hopping-betrieb
FI91819C (fi) * 1991-11-05 1994-08-10 Nokia Mobile Phones Ltd Menetelmä kahden eri taajuusalueella toimivan digitaalisen radiopuhelimen taajuuksien muodostamiseksi
AU660063B2 (en) * 1992-02-18 1995-06-08 Alcatel N.V. A system and method for combining multiple transmitters in a multi-channel cellular telephone communication system
US5369373A (en) * 1992-10-16 1994-11-29 Unisys Corporation Comb data generation
JPH0722971A (ja) * 1993-07-06 1995-01-24 Mitsubishi Electric Corp 無線通信機
EP0850512B1 (de) * 1995-09-15 1999-07-07 Siemens Aktiengesellschaft Funkgerät mit mehreren frequenzbereichen
DE69630512T2 (de) 1995-09-29 2004-05-06 Matsushita Electric Industrial Co., Ltd., Kadoma Leistungsverstärker und kommunikationsvorrichtung
US5794131A (en) * 1996-03-19 1998-08-11 Ericsson Inc. Reducing or eliminating radio transmitter mixer spurious outputs
US5793309A (en) * 1996-08-14 1998-08-11 Lockheed Martin Corporation Short range electromagnetic proximity detection
US6078794A (en) * 1997-02-19 2000-06-20 Motorola, Inc. Impedance matching for a dual band power amplifier
SE508506C2 (sv) * 1997-02-25 1998-10-12 Ericsson Telefon Ab L M Anordning och förfarande vid telekommunikation
DE19823060C2 (de) 1998-05-22 2001-02-22 Ericsson Telefon Ab L M Leistungsverstärker-Ausgangsschaltung
CN1255947C (zh) * 2001-04-27 2006-05-10 皇家菲利浦电子有限公司 超高频通带中的开关
US7095454B2 (en) * 2003-07-30 2006-08-22 Maxim Integrated Products, Inc. Broadband single conversion tuner integrated circuits
US7347134B2 (en) * 2004-09-29 2008-03-25 Kimberly-Clark Worldwide, Inc. No touch dispenser for sheet material with automatic advance
US20160304066A1 (en) * 2015-03-27 2016-10-20 Lippert Components, Inc. Leveling jack with direct actuation
US10167178B2 (en) 2015-03-27 2019-01-01 Lippert Components, Inc. Leveling jack with direct actuation

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1110784A (en) * 1964-06-13 1968-04-24 Emi Ltd Improvements relating to wide band radio transmitters
US4165493A (en) * 1978-04-17 1979-08-21 Rockwell International Corporation Protected amplifier apparatus
US4234965A (en) * 1978-06-28 1980-11-18 Motorola, Inc. Communication tuning system utilizing local oscillator frequency selection for maximum RF filter bandwidth and method thereof
DE3127566C2 (de) * 1981-07-11 1984-03-08 Rohde & Schwarz GmbH & Co KG, 8000 München Antennenanpasseinrichtung für einen nach dem Frequenzsprung-Verfahren arbeitenden Hochfrequenzsender
DE3203961A1 (de) * 1982-02-05 1983-08-18 Siemens AG, 1000 Berlin und 8000 München Elektronischer sende-empfangsumschalter
US4486722A (en) * 1982-02-18 1984-12-04 Rockwell International Corporation Pin diode switched impedance matching network having diode driver circuits transparent to RF potential
DE3310389A1 (de) * 1983-03-22 1984-10-11 Siemens AG, 1000 Berlin und 8000 München Breitbandiger sender fuer kurze elektromagnetische wellen

Also Published As

Publication number Publication date
ZA864700B (en) 1987-02-25
NO862515D0 (no) 1986-06-23
EP0208182B1 (de) 1989-11-08
NO168980B (no) 1992-01-13
DE3666908D1 (en) 1989-12-14
NO168980C (no) 1992-04-22
EP0208182A1 (de) 1987-01-14
ATE47943T1 (de) 1989-11-15
US4723306A (en) 1988-02-02
NO862515L (no) 1986-12-29

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