JPS55163680A - Magnetic bubble driving circuit - Google Patents

Magnetic bubble driving circuit

Info

Publication number
JPS55163680A
JPS55163680A JP7177379A JP7177379A JPS55163680A JP S55163680 A JPS55163680 A JP S55163680A JP 7177379 A JP7177379 A JP 7177379A JP 7177379 A JP7177379 A JP 7177379A JP S55163680 A JPS55163680 A JP S55163680A
Authority
JP
Japan
Prior art keywords
coil
capacitor
circuit
driving circuit
resonance circuit
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
JP7177379A
Other languages
Japanese (ja)
Inventor
Shigeo Hayashi
Tetsuya Ando
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP7177379A priority Critical patent/JPS55163680A/en
Publication of JPS55163680A publication Critical patent/JPS55163680A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To eliminate the impulse noise by connecting the serial circuit of the capacitor and the resistance in parallel to the coil of the serial resonance circuit.
CONSTITUTION: Coil L and capacitor C forming a resonance circuit are connected in series to the joint of two transistor switches QP and QN. Furthermore, capacitor C' and resistance R' connected in series each other is connected in parallel to the coil. When the voltage of ±E is applied to the resonance circuit alternately via switches QP and QN, the sine wave current flows to the resonance circuit. And the impulsive voltage of the output voltage of the coil driving circuit is attenuated so much so that it can be ignored in terms of the practical use by the serial function of capacitor C' and resistance R' which are connected in parallel to coil L. As a result, the clamping circuit for voltage protection of the switch transistor of the driving circuit can be omitted.
COPYRIGHT: (C)1980,JPO&Japio
JP7177379A 1979-06-07 1979-06-07 Magnetic bubble driving circuit Pending JPS55163680A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7177379A JPS55163680A (en) 1979-06-07 1979-06-07 Magnetic bubble driving circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7177379A JPS55163680A (en) 1979-06-07 1979-06-07 Magnetic bubble driving circuit

Publications (1)

Publication Number Publication Date
JPS55163680A true JPS55163680A (en) 1980-12-19

Family

ID=13470201

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7177379A Pending JPS55163680A (en) 1979-06-07 1979-06-07 Magnetic bubble driving circuit

Country Status (1)

Country Link
JP (1) JPS55163680A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60500979A (en) * 1983-03-30 1985-06-27 アドバンスト・マイクロ・ディバイシズ・インコ−ポレ−テッド device for controlling access to memory

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60500979A (en) * 1983-03-30 1985-06-27 アドバンスト・マイクロ・ディバイシズ・インコ−ポレ−テッド device for controlling access to memory
JPH0471223B2 (en) * 1983-03-30 1992-11-13 Advanced Micro Devices Inc

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