JPS57113326A - Semiconductor photo detector - Google Patents

Semiconductor photo detector

Info

Publication number
JPS57113326A
JPS57113326A JP37981A JP37981A JPS57113326A JP S57113326 A JPS57113326 A JP S57113326A JP 37981 A JP37981 A JP 37981A JP 37981 A JP37981 A JP 37981A JP S57113326 A JPS57113326 A JP S57113326A
Authority
JP
Japan
Prior art keywords
noise
output
pulse
gate electrode
negative side
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
JP37981A
Other languages
Japanese (ja)
Inventor
Nobuaki Miyagawa
Toji Mukai
Takahide Ikeda
Tatsuya Kamei
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 JP37981A priority Critical patent/JPS57113326A/en
Publication of JPS57113326A publication Critical patent/JPS57113326A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
    • G01J1/44—Electric circuits

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)

Abstract

PURPOSE:To effectively reduce a switching noise, by a method wherein the switching noise, produced due to a parasitic capacity possessed by a semiconductor element, and a noise signal, whose polarity is inserted, are added to the switch terminal of the semiconductor switch element. CONSTITUTION:A pulse is inputted to an input terminal 2 of a shift register 1. Simultaneously, a flip flop 11 is set, and an output from a Q' output terminal goes to a low level. When either of photo diodes 71, 72...7n is brought to ON, a pulse, raising a potential of a gate electrode of an NOS transistor 13 from a negative side to an earthing potential, simultaneously, is applied to the gate electrode of an MOS transistor 13 from output terminals of two input ORs. A noise, produced due to a parasitic capacity, is substantially removed at an input terminal at a negative side of an amplifier 9.
JP37981A 1981-01-07 1981-01-07 Semiconductor photo detector Pending JPS57113326A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP37981A JPS57113326A (en) 1981-01-07 1981-01-07 Semiconductor photo detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP37981A JPS57113326A (en) 1981-01-07 1981-01-07 Semiconductor photo detector

Publications (1)

Publication Number Publication Date
JPS57113326A true JPS57113326A (en) 1982-07-14

Family

ID=11472156

Family Applications (1)

Application Number Title Priority Date Filing Date
JP37981A Pending JPS57113326A (en) 1981-01-07 1981-01-07 Semiconductor photo detector

Country Status (1)

Country Link
JP (1) JPS57113326A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6243779B1 (en) * 1996-11-21 2001-06-05 Integrated Device Technology, Inc. Noise reduction system and method for reducing switching noise in an interface to a large width bus

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6243779B1 (en) * 1996-11-21 2001-06-05 Integrated Device Technology, Inc. Noise reduction system and method for reducing switching noise in an interface to a large width bus
US6763406B1 (en) * 1996-11-21 2004-07-13 Integrated Device Technology, Inc. Noise reduction system and method for reducing switching noise in an interface to a large width bus

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