NO168980C - Bredbaandet sender for korte elektromagnetiske boelger - Google Patents

Bredbaandet sender for korte elektromagnetiske boelger

Info

Publication number
NO168980C
NO168980C NO862515A NO862515A NO168980C NO 168980 C NO168980 C NO 168980C NO 862515 A NO862515 A NO 862515A NO 862515 A NO862515 A NO 862515A NO 168980 C NO168980 C NO 168980C
Authority
NO
Norway
Prior art keywords
sub
transmitter
filters
filter
frequency
Prior art date
Application number
NO862515A
Other languages
English (en)
Norwegian (no)
Other versions
NO862515D0 (no
NO862515L (no
NO168980B (no
Inventor
Helmut Fuenfgelder
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 NO862515D0 publication Critical patent/NO862515D0/no
Publication of NO862515L publication Critical patent/NO862515L/no
Publication of NO168980B publication Critical patent/NO168980B/no
Publication of NO168980C publication Critical patent/NO168980C/no

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)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Conductive Materials (AREA)
  • Glass Compositions (AREA)
  • Developing Agents For Electrophotography (AREA)
  • Discharge Lamps And Accessories Thereof (AREA)
NO862515A 1985-06-25 1986-06-23 Bredbaandet sender for korte elektromagnetiske boelger NO168980C (no)

Applications Claiming Priority (1)

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

Publications (4)

Publication Number Publication Date
NO862515D0 NO862515D0 (no) 1986-06-23
NO862515L NO862515L (no) 1986-12-29
NO168980B NO168980B (no) 1992-01-13
NO168980C true NO168980C (no) 1992-04-22

Family

ID=6274148

Family Applications (1)

Application Number Title Priority Date Filing Date
NO862515A NO168980C (no) 1985-06-25 1986-06-23 Bredbaandet sender for korte elektromagnetiske boelger

Country Status (7)

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

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
CN1084973C (zh) * 1995-09-15 2002-05-15 西门子公司 具有多个频段的无线电装置
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
US7209726B2 (en) * 2001-04-27 2007-04-24 Pxp B.V. Switch in UHF bandpass
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
IN165870B (fr) 1990-02-03
ATE47943T1 (de) 1989-11-15
ZA864700B (en) 1987-02-25
EP0208182A1 (fr) 1987-01-14
US4723306A (en) 1988-02-02
EP0208182B1 (fr) 1989-11-08
DE3666908D1 (en) 1989-12-14
NO862515D0 (no) 1986-06-23
NO862515L (no) 1986-12-29
NO168980B (no) 1992-01-13

Similar Documents

Publication Publication Date Title
NO862515D0 (no) Bredbaandet sender for korte elektromagnetiske boelger.
JPS5574290A (en) Skelton type receiver
JPS5418201A (en) Automatic band switching device for multi-band radio receiver
JPS56103514A (en) Filter circuit
JPS5776935A (en) Tuner
SU652690A1 (ru) Усилитель поверхностных акустических волн
JPS5620347A (en) Fm stereophonic tuner circuit
ATE48053T1 (de) Breitbandiger sender fuer kurze elektromagnetische wellen.
SU723789A2 (ru) Одночастотный приемник тонального сигнала
JPS5525258A (en) Acoustic apparatus
SU1732423A2 (ru) Усилитель мощности
JPS52132619A (en) Signal meter driving circuit for am radio receiver
JPS56164685A (en) Audio signal recording circuit
JPS57186843A (en) Tone squelch voice monitoring system
JPS57201345A (en) Radio receiver
JPS57188144A (en) Clearing signal control system for radio transmitter and receiver
JPS536017A (en) Speaker device
JPS57131133A (en) Receiver
JPS5791040A (en) Radio communication device
RU2000121000A (ru) Устройство контроля работоспособности радиостанции
GB890797A (en) Improvements in or relating to alternating current signal receiving circuits
JPS5586229A (en) Receiver
JPS5340209A (en) Fm radio receiver
JPS5789323A (en) Digital filter
KR890009105A (ko) 달링턴 페어를 이용한 저잡음 다운 컨버터장치