FI972926A - Impedance matching for transmission lines - Google Patents

Impedance matching for transmission lines Download PDF

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Publication number
FI972926A
FI972926A FI972926A FI972926A FI972926A FI 972926 A FI972926 A FI 972926A FI 972926 A FI972926 A FI 972926A FI 972926 A FI972926 A FI 972926A FI 972926 A FI972926 A FI 972926A
Authority
FI
Finland
Prior art keywords
transmission lines
circuit arrangement
transformer
input impedance
impedance matching
Prior art date
Application number
FI972926A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI972926A0 (en
FI103231B (en
FI103231B1 (en
Inventor
Olli-Pekka Maekinen
Jouni Pyyhkaelae
Timo Pasanen
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 FI972926A priority Critical patent/FI103231B1/en
Publication of FI972926A0 publication Critical patent/FI972926A0/en
Priority to EP98933674A priority patent/EP0995263A1/en
Priority to PCT/FI1998/000582 priority patent/WO1999003200A1/en
Priority to JP2000502577A priority patent/JP2001510290A/en
Priority to AU83415/98A priority patent/AU8341598A/en
Publication of FI972926A publication Critical patent/FI972926A/en
Application granted granted Critical
Publication of FI103231B publication Critical patent/FI103231B/en
Publication of FI103231B1 publication Critical patent/FI103231B1/en
Priority to US09/479,301 priority patent/US6307445B1/en

Links

Abstract

The invention concerns a circuit arrangement for carrying out impedance matching in connection with transmission lines. The circuit arrangement comprises a control stage 11, a dynamic input impedance consisting of a resistance, and a transformer 13 provided with primary and secondary windings. The control stage 11 and the input impedance are connected to the poles of the secondary winding of the transformer 13 and the transmission lines, which have different characteristic impedances, are connected individually to the poles of the primary winding of the transformer 13. According to the invention the circuit arrangement is characterized by the circuit arrangement for generating a resistive input impedance comprising a processor 15 and a device 14 for carrying out the matching. <IMAGE>
FI972926A 1997-07-09 1997-07-09 Impedance matching for transmission lines FI103231B1 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FI972926A FI103231B1 (en) 1997-07-09 1997-07-09 Impedance matching for transmission lines
EP98933674A EP0995263A1 (en) 1997-07-09 1998-07-09 Impedance match of transmission lines
PCT/FI1998/000582 WO1999003200A1 (en) 1997-07-09 1998-07-09 Impedance match of transmission lines
JP2000502577A JP2001510290A (en) 1997-07-09 1998-07-09 Transmission line impedance matching
AU83415/98A AU8341598A (en) 1997-07-09 1998-07-09 Impedance match of transmission lines
US09/479,301 US6307445B1 (en) 1997-07-09 2000-01-06 Impedance match of transmission lines having a connection arrangement for selecting impedance

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI972926A FI103231B1 (en) 1997-07-09 1997-07-09 Impedance matching for transmission lines
FI972926 1997-07-09

Publications (4)

Publication Number Publication Date
FI972926A0 FI972926A0 (en) 1997-07-09
FI972926A true FI972926A (en) 1999-01-10
FI103231B FI103231B (en) 1999-05-14
FI103231B1 FI103231B1 (en) 1999-05-14

Family

ID=8549229

Family Applications (1)

Application Number Title Priority Date Filing Date
FI972926A FI103231B1 (en) 1997-07-09 1997-07-09 Impedance matching for transmission lines

Country Status (1)

Country Link
FI (1) FI103231B1 (en)

Also Published As

Publication number Publication date
FI972926A0 (en) 1997-07-09
FI103231B (en) 1999-05-14
FI103231B1 (en) 1999-05-14

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