JPS558110A - Nonlinear signal generation circuit - Google Patents

Nonlinear signal generation circuit

Info

Publication number
JPS558110A
JPS558110A JP7998578A JP7998578A JPS558110A JP S558110 A JPS558110 A JP S558110A JP 7998578 A JP7998578 A JP 7998578A JP 7998578 A JP7998578 A JP 7998578A JP S558110 A JPS558110 A JP S558110A
Authority
JP
Japan
Prior art keywords
port
circuit
nonlinear
terminal
resistor
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.)
Granted
Application number
JP7998578A
Other languages
Japanese (ja)
Other versions
JPS5718365B2 (en
Inventor
Toru Ooyama
Toshio Nojima
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.)
NTT Inc
Original Assignee
Nippon Telegraph and Telephone Corp
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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP7998578A priority Critical patent/JPS558110A/en
Publication of JPS558110A publication Critical patent/JPS558110A/en
Publication of JPS5718365B2 publication Critical patent/JPS5718365B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
    • G01R23/16—Spectrum analysis; Fourier analysis
    • G01R23/20—Measurement of non-linear distortion

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Amplifiers (AREA)

Abstract

PURPOSE:To secure generation of only the nonlinear signals through a simple circuit by using the 4-port hybrid in the circuit used for the nonlinear compensation method which performs the distortion offset of the amplifier. CONSTITUTION:Composite port A, in-phase branching port C, 180 deg.-branch port D and isolation port B of 4-port 18 deg.-hybrid 19 are connected to input terminal 11, variable resistor 21 functioning as a linear circuit, nonlinear circuit 22 and output terminal 17 respectively. The AC signals applied to terminal 11 are distributed to port C in the same phase and to port D in the opposite phase, and the signals reflected at these two circuits are delivered from port B to terminal 17. In this case, resistor 21 is adjusted in order to secure a coincidence between the admittance of resistor 21 and the linear admittance of circuit 22. As a result, only the nonlinear distortion component is obtained for the output signal.
JP7998578A 1978-06-30 1978-06-30 Nonlinear signal generation circuit Granted JPS558110A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7998578A JPS558110A (en) 1978-06-30 1978-06-30 Nonlinear signal generation circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7998578A JPS558110A (en) 1978-06-30 1978-06-30 Nonlinear signal generation circuit

Publications (2)

Publication Number Publication Date
JPS558110A true JPS558110A (en) 1980-01-21
JPS5718365B2 JPS5718365B2 (en) 1982-04-16

Family

ID=13705598

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7998578A Granted JPS558110A (en) 1978-06-30 1978-06-30 Nonlinear signal generation circuit

Country Status (1)

Country Link
JP (1) JPS558110A (en)

Also Published As

Publication number Publication date
JPS5718365B2 (en) 1982-04-16

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