JPS59195773A - 対数増幅器 - Google Patents

対数増幅器

Info

Publication number
JPS59195773A
JPS59195773A JP58069718A JP6971883A JPS59195773A JP S59195773 A JPS59195773 A JP S59195773A JP 58069718 A JP58069718 A JP 58069718A JP 6971883 A JP6971883 A JP 6971883A JP S59195773 A JPS59195773 A JP S59195773A
Authority
JP
Japan
Prior art keywords
logarithmic
input
transistor
differential
section
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.)
Granted
Application number
JP58069718A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6355110B2 (enrdf_load_stackoverflow
Inventor
Makoto Imamura
誠 今村
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.)
Yokogawa Electric Corp
Original Assignee
Yokogawa Hokushin Electric 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 Yokogawa Hokushin Electric Corp filed Critical Yokogawa Hokushin Electric Corp
Priority to JP58069718A priority Critical patent/JPS59195773A/ja
Publication of JPS59195773A publication Critical patent/JPS59195773A/ja
Publication of JPS6355110B2 publication Critical patent/JPS6355110B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06G—ANALOGUE COMPUTERS
    • G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
    • G06G7/12—Arrangements for performing computing operations, e.g. operational amplifiers
    • G06G7/24—Arrangements for performing computing operations, e.g. operational amplifiers for evaluating logarithmic or exponential functions, e.g. hyperbolic functions

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Software Systems (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Indication And Recording Devices For Special Purposes And Tariff Metering Devices (AREA)
JP58069718A 1983-04-20 1983-04-20 対数増幅器 Granted JPS59195773A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58069718A JPS59195773A (ja) 1983-04-20 1983-04-20 対数増幅器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58069718A JPS59195773A (ja) 1983-04-20 1983-04-20 対数増幅器

Publications (2)

Publication Number Publication Date
JPS59195773A true JPS59195773A (ja) 1984-11-06
JPS6355110B2 JPS6355110B2 (enrdf_load_stackoverflow) 1988-11-01

Family

ID=13410887

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58069718A Granted JPS59195773A (ja) 1983-04-20 1983-04-20 対数増幅器

Country Status (1)

Country Link
JP (1) JPS59195773A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8207776B1 (en) * 2010-04-30 2012-06-26 Analog Devices, Inc. Logarithmic circuits

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
MODERN ELECTRONIC CIRCUITS REFERENCE MANUAL=1980 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8207776B1 (en) * 2010-04-30 2012-06-26 Analog Devices, Inc. Logarithmic circuits

Also Published As

Publication number Publication date
JPS6355110B2 (enrdf_load_stackoverflow) 1988-11-01

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