JPS5591233A - Successive comparison type a/d converter - Google Patents

Successive comparison type a/d converter

Info

Publication number
JPS5591233A
JPS5591233A JP16497578A JP16497578A JPS5591233A JP S5591233 A JPS5591233 A JP S5591233A JP 16497578 A JP16497578 A JP 16497578A JP 16497578 A JP16497578 A JP 16497578A JP S5591233 A JPS5591233 A JP S5591233A
Authority
JP
Japan
Prior art keywords
converter
clock signal
bit
successive comparison
time
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
JP16497578A
Other languages
Japanese (ja)
Inventor
Hiroshi Iwamoto
Haruo Tamada
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP16497578A priority Critical patent/JPS5591233A/en
Publication of JPS5591233A publication Critical patent/JPS5591233A/en
Pending legal-status Critical Current

Links

Landscapes

  • Analogue/Digital Conversion (AREA)

Abstract

PURPOSE: To reduce greatly the conversion time for the successive comparison type A/D converter by securing the generation of a series of clock signal pulses which reduce sequentially from the clock signal generator in accordance with the set ring time of each bit.
CONSTITUTION: D/A converter 3 accumulates the bits from the higer ranks to generate the reference voltage. This reference voltage is compared with the input analog voltage through comparator 2. Then the output of comparator 2 are memorized via successive comparison register 4 and with every bit, and at the same time the presence or absence of the addition of the next-rank bits is indicated to converter 3. And a series of clock signal pulses which reduce sequentially in accordance with the set ring time of each bit are generated from clock signal generator 8. Thus the conversion time can be reduced greatly for converter 3.
COPYRIGHT: (C)1980,JPO&Japio
JP16497578A 1978-12-28 1978-12-28 Successive comparison type a/d converter Pending JPS5591233A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16497578A JPS5591233A (en) 1978-12-28 1978-12-28 Successive comparison type a/d converter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16497578A JPS5591233A (en) 1978-12-28 1978-12-28 Successive comparison type a/d converter

Publications (1)

Publication Number Publication Date
JPS5591233A true JPS5591233A (en) 1980-07-10

Family

ID=15803436

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16497578A Pending JPS5591233A (en) 1978-12-28 1978-12-28 Successive comparison type a/d converter

Country Status (1)

Country Link
JP (1) JPS5591233A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57147326A (en) * 1981-03-09 1982-09-11 Nec Corp Analog-to-digital converter circuit
JPS57192125A (en) * 1981-05-21 1982-11-26 Nec Corp Analog-to-digital converter
JPS60143025A (en) * 1983-12-29 1985-07-29 Tokyo Sokki Kenkyusho:Kk Follow-up comparison type a-d converter
JPS6112123A (en) * 1984-06-13 1986-01-20 テクトロニクス・インコーポレイテツド Sequential comparison analog-to-digital converter
JPS62120724A (en) * 1985-11-20 1987-06-02 Akai Electric Co Ltd Sequential comparison type analog-digital converter
JPS63224413A (en) * 1987-03-13 1988-09-19 Nippon Denso Co Ltd Analog-digital converter
JPH04271617A (en) * 1991-02-27 1992-09-28 Nec Ic Microcomput Syst Ltd A/d converter circuit

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50159661A (en) * 1974-06-12 1975-12-24
JPS5115363A (en) * 1974-07-29 1976-02-06 Hitachi Ltd ANAROGUUDEJITARUHENKANKI

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50159661A (en) * 1974-06-12 1975-12-24
JPS5115363A (en) * 1974-07-29 1976-02-06 Hitachi Ltd ANAROGUUDEJITARUHENKANKI

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57147326A (en) * 1981-03-09 1982-09-11 Nec Corp Analog-to-digital converter circuit
JPS6261175B2 (en) * 1981-03-09 1987-12-19 Nippon Electric Co
JPS57192125A (en) * 1981-05-21 1982-11-26 Nec Corp Analog-to-digital converter
JPS60143025A (en) * 1983-12-29 1985-07-29 Tokyo Sokki Kenkyusho:Kk Follow-up comparison type a-d converter
JPS6112123A (en) * 1984-06-13 1986-01-20 テクトロニクス・インコーポレイテツド Sequential comparison analog-to-digital converter
JPS62120724A (en) * 1985-11-20 1987-06-02 Akai Electric Co Ltd Sequential comparison type analog-digital converter
JPS63224413A (en) * 1987-03-13 1988-09-19 Nippon Denso Co Ltd Analog-digital converter
JPH04271617A (en) * 1991-02-27 1992-09-28 Nec Ic Microcomput Syst Ltd A/d converter circuit

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