JPH0670799B2 - 温度補償対数回路 - Google Patents

温度補償対数回路

Info

Publication number
JPH0670799B2
JPH0670799B2 JP24502083A JP24502083A JPH0670799B2 JP H0670799 B2 JPH0670799 B2 JP H0670799B2 JP 24502083 A JP24502083 A JP 24502083A JP 24502083 A JP24502083 A JP 24502083A JP H0670799 B2 JPH0670799 B2 JP H0670799B2
Authority
JP
Japan
Prior art keywords
circuit
current
transistor
transistors
pair
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 - Lifetime
Application number
JP24502083A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59136871A (ja
Inventor
バリ−・ギルバ−ト
Original Assignee
アナログ・デバイセス・インコ−ポレ−テツド
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 アナログ・デバイセス・インコ−ポレ−テツド filed Critical アナログ・デバイセス・インコ−ポレ−テツド
Publication of JPS59136871A publication Critical patent/JPS59136871A/ja
Publication of JPH0670799B2 publication Critical patent/JPH0670799B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime 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)
  • Amplifiers (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Manipulation Of Pulses (AREA)
  • Indication And Recording Devices For Special Purposes And Tariff Metering Devices (AREA)
JP24502083A 1983-01-03 1983-12-27 温度補償対数回路 Expired - Lifetime JPH0670799B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US45524083A 1983-01-03 1983-01-03
US455240 1995-05-31

Publications (2)

Publication Number Publication Date
JPS59136871A JPS59136871A (ja) 1984-08-06
JPH0670799B2 true JPH0670799B2 (ja) 1994-09-07

Family

ID=23808001

Family Applications (1)

Application Number Title Priority Date Filing Date
JP24502083A Expired - Lifetime JPH0670799B2 (ja) 1983-01-03 1983-12-27 温度補償対数回路

Country Status (6)

Country Link
JP (1) JPH0670799B2 (fr)
CA (1) CA1203628A (fr)
DE (1) DE3347683A1 (fr)
FR (1) FR2542891A1 (fr)
GB (1) GB2133597B (fr)
NL (1) NL8400018A (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4684898A (en) * 1985-05-15 1987-08-04 Signetics Corporation Temperature and process variation compensation for a delta demodulation decoder
IT1221800B (it) * 1988-05-04 1990-07-12 Parking Group Spa Impianto per il parcheggio di autovetture su piu'livelli
JPH0671185B2 (ja) * 1988-07-20 1994-09-07 三洋電機株式会社 対数増幅回路
US5200655A (en) * 1991-06-03 1993-04-06 Motorola, Inc. Temperature-independent exponential converter
GB9313840D0 (en) * 1993-07-05 1993-08-25 Philips Electronics Uk Ltd Cascaded amplifier
CN1048192C (zh) * 1995-03-16 2000-01-12 中国石化齐鲁石油化工公司 一种用于从石油和天然气加工过程中产生的硫化氢中回收硫磺的二氧化钛催化剂

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3790819A (en) * 1972-03-17 1974-02-05 Perkin Elmer Corp Log amplifier apparatus
US3935478A (en) * 1973-08-10 1976-01-27 Sony Corporation Non-linear amplifier
GB1583993A (en) * 1977-05-16 1981-02-04 Matsushita Electric Ind Co Ltd Signal processing circuits

Also Published As

Publication number Publication date
JPS59136871A (ja) 1984-08-06
GB2133597A (en) 1984-07-25
NL8400018A (nl) 1984-08-01
FR2542891A1 (fr) 1984-09-21
GB2133597B (en) 1987-02-18
CA1203628A (fr) 1986-04-22
DE3347683A1 (de) 1984-07-05
GB8333543D0 (en) 1984-01-25

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term