FR1440150A - Logarithmic amplifier - Google Patents

Logarithmic amplifier

Info

Publication number
FR1440150A
FR1440150A FR13695A FR13695A FR1440150A FR 1440150 A FR1440150 A FR 1440150A FR 13695 A FR13695 A FR 13695A FR 13695 A FR13695 A FR 13695A FR 1440150 A FR1440150 A FR 1440150A
Authority
FR
France
Prior art keywords
logarithmic amplifier
logarithmic
amplifier
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
FR13695A
Other languages
French (fr)
Inventor
Hubert Debart
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.)
Alcatel Lucent SAS
Original Assignee
Alcatel SA
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 Alcatel SA filed Critical Alcatel SA
Priority to FR13695A priority Critical patent/FR1440150A/en
Priority to NL6604934A priority patent/NL6604934A/xx
Priority to DE1966S0103205 priority patent/DE1288342B/en
Priority to BE679626D priority patent/BE679626A/xx
Priority to GB1661166A priority patent/GB1138892A/en
Application granted granted Critical
Publication of FR1440150A publication Critical patent/FR1440150A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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)
  • Networks Using Active Elements (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
FR13695A 1965-04-16 1965-04-16 Logarithmic amplifier Expired FR1440150A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR13695A FR1440150A (en) 1965-04-16 1965-04-16 Logarithmic amplifier
NL6604934A NL6604934A (en) 1965-04-16 1966-04-13
DE1966S0103205 DE1288342B (en) 1965-04-16 1966-04-15 Logarithmic amplifier
BE679626D BE679626A (en) 1965-04-16 1966-04-15
GB1661166A GB1138892A (en) 1965-04-16 1966-04-15 Logarithmic amplifier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR13695A FR1440150A (en) 1965-04-16 1965-04-16 Logarithmic amplifier

Publications (1)

Publication Number Publication Date
FR1440150A true FR1440150A (en) 1966-05-27

Family

ID=8576709

Family Applications (1)

Application Number Title Priority Date Filing Date
FR13695A Expired FR1440150A (en) 1965-04-16 1965-04-16 Logarithmic amplifier

Country Status (5)

Country Link
BE (1) BE679626A (en)
DE (1) DE1288342B (en)
FR (1) FR1440150A (en)
GB (1) GB1138892A (en)
NL (1) NL6604934A (en)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR986450A (en) * 1949-03-07 1951-07-31 Sncf Electrical device reproducing a given function of a variable and its applications

Also Published As

Publication number Publication date
BE679626A (en) 1966-10-17
NL6604934A (en) 1966-10-17
DE1288342B (en) 1969-01-30
GB1138892A (en) 1969-01-01

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