JPS57101416A - Variable tuner - Google Patents

Variable tuner

Info

Publication number
JPS57101416A
JPS57101416A JP17820780A JP17820780A JPS57101416A JP S57101416 A JPS57101416 A JP S57101416A JP 17820780 A JP17820780 A JP 17820780A JP 17820780 A JP17820780 A JP 17820780A JP S57101416 A JPS57101416 A JP S57101416A
Authority
JP
Japan
Prior art keywords
bridge
resonance circuit
output
signal
baloon
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
JP17820780A
Other languages
English (en)
Japanese (ja)
Other versions
JPS624011B2 (enrdf_load_stackoverflow
Inventor
Masaaki Hirose
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.)
Advantest Corp
Original Assignee
Advantest Corp
Takeda Riken Industries Co Ltd
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 Advantest Corp, Takeda Riken Industries Co Ltd filed Critical Advantest Corp
Priority to JP17820780A priority Critical patent/JPS57101416A/ja
Priority to US06/327,473 priority patent/US4460879A/en
Publication of JPS57101416A publication Critical patent/JPS57101416A/ja
Publication of JPS624011B2 publication Critical patent/JPS624011B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J3/00—Continuous tuning
    • H03J3/02—Details
    • H03J3/16—Tuning without displacement of reactive element, e.g. by varying permeability
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00—Auxiliary devices
    • H01P1/20—Frequency-selective devices, e.g. filters
    • H01P1/215—Frequency-selective devices, e.g. filters using ferromagnetic material
    • H01P1/218—Frequency-selective devices, e.g. filters using ferromagnetic material the ferromagnetic material acting as a frequency selective coupling element, e.g. YIG-filters
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J3/00—Continuous tuning
    • H03J3/02—Details
    • H03J3/16—Tuning without displacement of reactive element, e.g. by varying permeability
    • H03J3/18—Tuning without displacement of reactive element, e.g. by varying permeability by discharge tube or semiconductor device simulating variable reactance
    • H03J3/185—Tuning without displacement of reactive element, e.g. by varying permeability by discharge tube or semiconductor device simulating variable reactance with varactors, i.e. voltage variable reactive diodes
JP17820780A 1980-12-12 1980-12-17 Variable tuner Granted JPS57101416A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP17820780A JPS57101416A (en) 1980-12-17 1980-12-17 Variable tuner
US06/327,473 US4460879A (en) 1980-12-12 1981-12-04 Variable tuning device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17820780A JPS57101416A (en) 1980-12-17 1980-12-17 Variable tuner

Publications (2)

Publication Number Publication Date
JPS57101416A true JPS57101416A (en) 1982-06-24
JPS624011B2 JPS624011B2 (enrdf_load_stackoverflow) 1987-01-28

Family

ID=16044446

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17820780A Granted JPS57101416A (en) 1980-12-12 1980-12-17 Variable tuner

Country Status (1)

Country Link
JP (1) JPS57101416A (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6438602U (enrdf_load_stackoverflow) * 1987-09-02 1989-03-08
JPH0257510U (enrdf_load_stackoverflow) * 1988-10-19 1990-04-25
JPH06235821A (ja) * 1993-02-09 1994-08-23 Ina Koki Seisakusho:Kk 光ファイバーリング照明装置

Also Published As

Publication number Publication date
JPS624011B2 (enrdf_load_stackoverflow) 1987-01-28

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