DE2206761C3 - Schaltung zur Impedanzreduzierung - Google Patents

Schaltung zur Impedanzreduzierung

Info

Publication number
DE2206761C3
DE2206761C3 DE2206761A DE2206761A DE2206761C3 DE 2206761 C3 DE2206761 C3 DE 2206761C3 DE 2206761 A DE2206761 A DE 2206761A DE 2206761 A DE2206761 A DE 2206761A DE 2206761 C3 DE2206761 C3 DE 2206761C3
Authority
DE
Germany
Prior art keywords
transistor
circuit
signal
circuit according
output
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
DE2206761A
Other languages
German (de)
English (en)
Other versions
DE2206761B2 (de
DE2206761A1 (de
Inventor
Gary Allen Boulder Col. Hart
Melvin George Rochester Minn. Wilson
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.)
International Business Machines Corp
Original Assignee
International Business Machines 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 International Business Machines Corp filed Critical International Business Machines Corp
Publication of DE2206761A1 publication Critical patent/DE2206761A1/de
Publication of DE2206761B2 publication Critical patent/DE2206761B2/de
Application granted granted Critical
Publication of DE2206761C3 publication Critical patent/DE2206761C3/de
Expired 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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/10—Image acquisition
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/56—Modifications of input or output impedances, not otherwise provided for

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Software Systems (AREA)
  • Multimedia (AREA)
  • Computer Hardware Design (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Character Input (AREA)
  • Image Input (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
DE2206761A 1971-03-08 1972-02-12 Schaltung zur Impedanzreduzierung Expired DE2206761C3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/121,912 US3935540A (en) 1971-03-08 1971-03-08 D.C. coupled impedance reducing circuit

Publications (3)

Publication Number Publication Date
DE2206761A1 DE2206761A1 (de) 1973-08-02
DE2206761B2 DE2206761B2 (de) 1980-05-14
DE2206761C3 true DE2206761C3 (de) 1981-01-29

Family

ID=22399494

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2206761A Expired DE2206761C3 (de) 1971-03-08 1972-02-12 Schaltung zur Impedanzreduzierung

Country Status (7)

Country Link
US (1) US3935540A (enExample)
JP (1) JPS5114408B1 (enExample)
CA (1) CA949656A (enExample)
DE (1) DE2206761C3 (enExample)
FR (1) FR2129409A5 (enExample)
GB (1) GB1366616A (enExample)
IT (1) IT946571B (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69010568T2 (de) * 1989-05-19 1994-11-24 Murata Manufacturing Co Keramisches resonanzartiges Elektrostatikfühlergerät.
WO2019050651A1 (en) * 2017-09-08 2019-03-14 Intel Corporation LOW NOISE FRONTAL APPLICATION FOR CARDIAC FREQUENCY MONITOR USING PHOTOPLETHYSMOGRAPHY

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2877348A (en) * 1954-12-15 1959-03-10 Elmer J Wade Logarithmic amplifier
US3437943A (en) * 1965-03-16 1969-04-08 Leeds & Northrup Co Synchronized modulator-demodulator system
US3401357A (en) * 1965-08-11 1968-09-10 Bell Telephone Labor Inc Electromagnetic wave amplifier oscillator and modulator
US3393380A (en) * 1966-03-15 1968-07-16 James E. Webb Phase locked phase modulator including a voltage controlled oscillator
US3502959A (en) * 1968-01-29 1970-03-24 Spectral Dynamics Corp Electronic logarithm converter
US3626092A (en) * 1969-07-15 1971-12-07 Ibm Video amplifier for optical scanners
US3530390A (en) * 1969-07-16 1970-09-22 Analog Devices Inc Operational amplifier with varactor bridge input circuit

Also Published As

Publication number Publication date
US3935540A (en) 1976-01-27
GB1366616A (en) 1974-09-11
JPS5114408B1 (enExample) 1976-05-10
DE2206761B2 (de) 1980-05-14
IT946571B (it) 1973-05-21
DE2206761A1 (de) 1973-08-02
CA949656A (en) 1974-06-18
FR2129409A5 (enExample) 1972-10-27

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Legal Events

Date Code Title Description
OD Request for examination
C3 Grant after two publication steps (3rd publication)
8339 Ceased/non-payment of the annual fee