JPH0186720U - - Google Patents

Info

Publication number
JPH0186720U
JPH0186720U JP18201287U JP18201287U JPH0186720U JP H0186720 U JPH0186720 U JP H0186720U JP 18201287 U JP18201287 U JP 18201287U JP 18201287 U JP18201287 U JP 18201287U JP H0186720 U JPH0186720 U JP H0186720U
Authority
JP
Japan
Prior art keywords
capacitor
signal input
utility
registration request
scope
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
JP18201287U
Other languages
Japanese (ja)
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 filed Critical
Priority to JP18201287U priority Critical patent/JPH0186720U/ja
Publication of JPH0186720U publication Critical patent/JPH0186720U/ja
Pending legal-status Critical Current

Links

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は、本考案に係るバイカツド回路の一実
施例を示す回路図、第２図は、一般的なバイカツ
ド回路の例を示す回路図である。 １：入力端子、２，３：出力端子、Ｉ１，Ｉ２
，Ｉ３：可変電流源回路、Ａ１，Ａ２：積分器、
６乃至８：差動増幅器。 FIG. 1 is a circuit diagram showing an embodiment of a biquad circuit according to the present invention, and FIG. 2 is a circuit diagram showing an example of a general biquad circuit. 1: Input terminal, 2, 3: Output terminal, I 1 , I 2
 , I 3 : variable current source circuit, A 1 , A 2 : integrator,
6 to 8: Differential amplifier.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] バイカツド回路に於いて、その信号入力段が二
つのトランスコンダクタンス型の差動増幅器から
なる掛算回路と、その出力段にコンデンサが接続
されてなる積分器で構成されたことを特徴とする
バイカツド回路。 A biquad circuit characterized in that its signal input stage is composed of a multiplier circuit consisting of two transconductance type differential amplifiers and an integrator whose output stage is connected to a capacitor.
JP18201287U 1987-11-30 1987-11-30 Pending JPH0186720U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18201287U JPH0186720U (en) 1987-11-30 1987-11-30

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18201287U JPH0186720U (en) 1987-11-30 1987-11-30

Publications (1)

Publication Number Publication Date
JPH0186720U true JPH0186720U (en) 1989-06-08

Family

ID=31473470

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18201287U Pending JPH0186720U (en) 1987-11-30 1987-11-30

Country Status (1)

Country Link
JP (1) JPH0186720U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0388405A (en) * 1989-08-30 1991-04-12 Toko Inc Variable transconductance amplifier circuit

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5731334U (en) * 1980-07-25 1982-02-18
JPS5831768A (en) * 1981-08-20 1983-02-24 Ricoh Co Ltd Ink jet copy-printing device
JPS62294667A (en) * 1986-06-13 1987-12-22 Koei Chem Co Ltd Production of pyrazine derivative

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5731334U (en) * 1980-07-25 1982-02-18
JPS5831768A (en) * 1981-08-20 1983-02-24 Ricoh Co Ltd Ink jet copy-printing device
JPS62294667A (en) * 1986-06-13 1987-12-22 Koei Chem Co Ltd Production of pyrazine derivative

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0388405A (en) * 1989-08-30 1991-04-12 Toko Inc Variable transconductance amplifier circuit

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