JPS5799002A - Variable tuner - Google Patents

Variable tuner

Info

Publication number
JPS5799002A
JPS5799002A JP17549480A JP17549480A JPS5799002A JP S5799002 A JPS5799002 A JP S5799002A JP 17549480 A JP17549480 A JP 17549480A JP 17549480 A JP17549480 A JP 17549480A JP S5799002 A JPS5799002 A JP S5799002A
Authority
JP
Japan
Prior art keywords
terminal
signal
nonreflection
coil
resonance frequency
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
JP17549480A
Other languages
English (en)
Other versions
JPS6222481B2 (ja
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 JP17549480A priority Critical patent/JPS5799002A/ja
Priority to US06/327,473 priority patent/US4460879A/en
Publication of JPS5799002A publication Critical patent/JPS5799002A/ja
Publication of JPS6222481B2 publication Critical patent/JPS6222481B2/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
    • 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
    • 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

Landscapes

  • Non-Reversible Transmitting Devices (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
JP17549480A 1980-12-12 1980-12-12 Variable tuner Granted JPS5799002A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP17549480A JPS5799002A (en) 1980-12-12 1980-12-12 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
JP17549480A JPS5799002A (en) 1980-12-12 1980-12-12 Variable tuner

Publications (2)

Publication Number Publication Date
JPS5799002A true JPS5799002A (en) 1982-06-19
JPS6222481B2 JPS6222481B2 (ja) 1987-05-18

Family

ID=15997015

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17549480A Granted JPS5799002A (en) 1980-12-12 1980-12-12 Variable tuner

Country Status (1)

Country Link
JP (1) JPS5799002A (ja)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51108508A (ja) * 1975-02-25 1976-09-25 Hewlett Packard Yokogawa
JPS51146154A (en) * 1975-05-10 1976-12-15 Tsukasa Nagao Complex type resonator

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51108508A (ja) * 1975-02-25 1976-09-25 Hewlett Packard Yokogawa
JPS51146154A (en) * 1975-05-10 1976-12-15 Tsukasa Nagao Complex type resonator

Also Published As

Publication number Publication date
JPS6222481B2 (ja) 1987-05-18

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