JPS6355110B2 - - Google Patents

Info

Publication number
JPS6355110B2
JPS6355110B2 JP58069718A JP6971883A JPS6355110B2 JP S6355110 B2 JPS6355110 B2 JP S6355110B2 JP 58069718 A JP58069718 A JP 58069718A JP 6971883 A JP6971883 A JP 6971883A JP S6355110 B2 JPS6355110 B2 JP S6355110B2
Authority
JP
Japan
Prior art keywords
input
voltage
current
transistors
logarithmic
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.)
Expired
Application number
JP58069718A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59195773A (ja
Inventor
Makoto Imamura
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.)
YOKOKAWA DENKI KK
Original Assignee
YOKOKAWA DENKI KK
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 YOKOKAWA DENKI KK filed Critical YOKOKAWA DENKI KK
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 JPS59195773A (ja) 1984-11-06
JPS6355110B2 true 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)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8004341B1 (en) * 2010-04-30 2011-08-23 Analog Devices, Inc. Logarithmic circuits

Non-Patent Citations (1)

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

Also Published As

Publication number Publication date
JPS59195773A (ja) 1984-11-06

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