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AU1417895A - Antenna amplifier for receiving frequencies - Google Patents

Antenna amplifier for receiving frequencies

Info

Publication number
AU1417895A
AU1417895A AU14178/95A AU1417895A AU1417895A AU 1417895 A AU1417895 A AU 1417895A AU 14178/95 A AU14178/95 A AU 14178/95A AU 1417895 A AU1417895 A AU 1417895A AU 1417895 A AU1417895 A AU 1417895A
Authority
AU
Australia
Prior art keywords
antenna amplifier
receiving frequencies
frequencies
receiving
antenna
Prior art date
Legal status (The legal status 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 status listed.)
Abandoned
Application number
AU14178/95A
Inventor
Esko Prokkola
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nokia Oyj
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
Publication of AU1417895A publication Critical patent/AU1417895A/en
Abandoned legal-status Critical Current

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)
AU14178/95A 1994-01-14 1995-01-13 Antenna amplifier for receiving frequencies Abandoned AU1417895A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FI940197A FI99168C (en) 1994-01-14 1994-01-14 Antenna amplifier for receiver frequencies
FI940197 1994-01-14
PCT/FI1995/000010 WO1995019574A1 (en) 1994-01-14 1995-01-13 Antenna amplifier for receiving frequencies

Publications (1)

Publication Number Publication Date
AU1417895A true AU1417895A (en) 1995-08-01

Family

ID=8539477

Family Applications (1)

Application Number Title Priority Date Filing Date
AU14178/95A Abandoned AU1417895A (en) 1994-01-14 1995-01-13 Antenna amplifier for receiving frequencies

Country Status (3)

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

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI108892B (en) * 1996-11-21 2002-04-15 Adc Telecommunications Inc An arrangement for measuring the condition of an antenna in a radiotelephone system
DE19742346C2 (en) * 1997-09-25 2002-12-05 Siemens Ag Arrangement and method for preamplifying received signals for a radio station
SE0000309D0 (en) 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 (en) * 2003-02-25 2006-01-10 엘지전자 주식회사 Apparatus and Method for Improving Transmitter Performance of Mobile Communication Terminal
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
WO1995019574A1 (en) 1995-07-20
FI940197A (en) 1995-07-15
FI99168B (en) 1997-06-30
FI940197A0 (en) 1994-01-14
FI99168C (en) 1997-10-10

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