FI99168B - Antennförstärkare för mottagarfrekvenser - Google Patents

Antennförstärkare för mottagarfrekvenser

Info

Publication number
FI99168B
FI99168B FI940197A FI940197A FI99168B FI 99168 B FI99168 B FI 99168B FI 940197 A FI940197 A FI 940197A FI 940197 A FI940197 A FI 940197A FI 99168 B FI99168 B FI 99168B
Authority
FI
Finland
Prior art keywords
antenna amplifier
receiver frequencies
frequencies
receiver
antenna
Prior art date
Application number
FI940197A
Other languages
English (en)
Finnish (fi)
Other versions
FI940197A0 (sv
FI99168C (sv
FI940197A (sv
Inventor
Esko Prokkola
Original Assignee
Nokia Telecommunications Oy
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 Nokia Telecommunications Oy filed Critical Nokia Telecommunications Oy
Priority to FI940197A priority Critical patent/FI99168C/sv
Publication of FI940197A0 publication Critical patent/FI940197A0/sv
Priority to PCT/FI1995/000010 priority patent/WO1995019574A1/en
Priority to AU14178/95A priority patent/AU1417895A/en
Publication of FI940197A publication Critical patent/FI940197A/sv
Publication of FI99168B publication Critical patent/FI99168B/sv
Application granted granted Critical
Publication of FI99168C publication Critical patent/FI99168C/sv

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/52—Circuit arrangements for protecting such amplifiers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
    • G01R27/04—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant in circuits having distributed constants, e.g. having very long conductors or involving high frequencies
    • G01R27/06—Measuring reflection coefficients; Measuring standing-wave ratio
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/28—Testing of electronic circuits, e.g. by signal tracer
    • G01R31/282—Testing of electronic circuits specially adapted for particular applications not provided for elsewhere
    • G01R31/2822—Testing of electronic circuits specially adapted for particular applications not provided for elsewhere of microwave or radiofrequency circuits
    • 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
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/18—Input circuits, e.g. for coupling to an antenna or a transmission line

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Transceivers (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
FI940197A 1994-01-14 1994-01-14 Antennförstärkare för mottagarfrekvenser FI99168C (sv)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FI940197A FI99168C (sv) 1994-01-14 1994-01-14 Antennförstärkare för mottagarfrekvenser
PCT/FI1995/000010 WO1995019574A1 (en) 1994-01-14 1995-01-13 Antenna amplifier for receiving frequencies
AU14178/95A AU1417895A (en) 1994-01-14 1995-01-13 Antenna amplifier for receiving frequencies

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI940197A FI99168C (sv) 1994-01-14 1994-01-14 Antennförstärkare för mottagarfrekvenser
FI940197 1994-01-14

Publications (4)

Publication Number Publication Date
FI940197A0 FI940197A0 (sv) 1994-01-14
FI940197A FI940197A (sv) 1995-07-15
FI99168B true FI99168B (sv) 1997-06-30
FI99168C FI99168C (sv) 1997-10-10

Family

ID=8539477

Family Applications (1)

Application Number Title Priority Date Filing Date
FI940197A FI99168C (sv) 1994-01-14 1994-01-14 Antennförstärkare för mottagarfrekvenser

Country Status (3)

Country Link
AU (1) AU1417895A (sv)
FI (1) FI99168C (sv)
WO (1) WO1995019574A1 (sv)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI108892B (sv) * 1996-11-21 2002-04-15 Adc Telecommunications Inc Arrangemang för mätning av en antenns skick i ett radiotelefonsystem
DE19742346C2 (de) * 1997-09-25 2002-12-05 Siemens Ag Anordnung und Verfahren zur Vorverstärkung von Empfangssignalen für eine Funkstation
SE0000309D0 (sv) 2000-01-31 2000-01-31 Ericsson Telefon Ab L M Calibrating method and apparatus in a telecommunication system
US6594508B1 (en) * 2000-03-31 2003-07-15 Nokia Corporation Antenna and cable monitoring for radio base station
KR100540229B1 (ko) * 2003-02-25 2006-01-10 엘지전자 주식회사 이동통신 단말기의 송신단 성능 개선 장치 및 그 방법
US8634766B2 (en) 2010-02-16 2014-01-21 Andrew Llc Gain measurement and monitoring for wireless communication systems

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3060381A (en) * 1960-06-02 1962-10-23 William C Turner Automatic attenuator control
GB9005779D0 (en) * 1990-03-14 1990-05-09 Gen Electric Co Plc Radio receiver antenna arrangements

Also Published As

Publication number Publication date
FI940197A0 (sv) 1994-01-14
FI99168C (sv) 1997-10-10
WO1995019574A1 (en) 1995-07-20
AU1417895A (en) 1995-08-01
FI940197A (sv) 1995-07-15

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Legal Events

Date Code Title Description
BB Publication of examined application