JPS5239347A - Variable impedance circuit - Google Patents

Variable impedance circuit

Info

Publication number
JPS5239347A
JPS5239347A JP11483175A JP11483175A JPS5239347A JP S5239347 A JPS5239347 A JP S5239347A JP 11483175 A JP11483175 A JP 11483175A JP 11483175 A JP11483175 A JP 11483175A JP S5239347 A JPS5239347 A JP S5239347A
Authority
JP
Japan
Prior art keywords
variable impedance
impedance circuit
variation
less
operational amplifier
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.)
Pending
Application number
JP11483175A
Other languages
Japanese (ja)
Inventor
Takamitsu Sunaga
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.)
Pioneer Corp
Original Assignee
Pioneer Electronic 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 Pioneer Electronic Corp filed Critical Pioneer Electronic Corp
Priority to JP11483175A priority Critical patent/JPS5239347A/en
Publication of JPS5239347A publication Critical patent/JPS5239347A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H5/00—One-port networks comprising only passive electrical elements as network components
    • H03H5/02—One-port networks comprising only passive electrical elements as network components without voltage- or current-dependent elements

Landscapes

  • Networks Using Active Elements (AREA)

Abstract

PURPOSE:To stably realize the variation of impedance over a wide range with the use of an ideal operational amplifier which has an amplification degree of less than 1.
JP11483175A 1975-09-25 1975-09-25 Variable impedance circuit Pending JPS5239347A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11483175A JPS5239347A (en) 1975-09-25 1975-09-25 Variable impedance circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11483175A JPS5239347A (en) 1975-09-25 1975-09-25 Variable impedance circuit

Publications (1)

Publication Number Publication Date
JPS5239347A true JPS5239347A (en) 1977-03-26

Family

ID=14647773

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11483175A Pending JPS5239347A (en) 1975-09-25 1975-09-25 Variable impedance circuit

Country Status (1)

Country Link
JP (1) JPS5239347A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03145208A (en) * 1989-10-31 1991-06-20 Fujitsu Ltd Variable impedance circuit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03145208A (en) * 1989-10-31 1991-06-20 Fujitsu Ltd Variable impedance circuit

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