CA2066705A1 - Instrumentation amplifier with automatic gain control - Google Patents

Instrumentation amplifier with automatic gain control

Info

Publication number
CA2066705A1
CA2066705A1 CA 2066705 CA2066705A CA2066705A1 CA 2066705 A1 CA2066705 A1 CA 2066705A1 CA 2066705 CA2066705 CA 2066705 CA 2066705 A CA2066705 A CA 2066705A CA 2066705 A1 CA2066705 A1 CA 2066705A1
Authority
CA
Canada
Prior art keywords
amplifier
gain
comparator
output voltage
resistor
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.)
Abandoned
Application number
CA 2066705
Other languages
English (en)
French (fr)
Inventor
Hannu Olkkonen
Pertti Puumalainen
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.)
DIGIXRAY Ltd Oy
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2066705A1 publication Critical patent/CA2066705A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/3005—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers
    • H03G3/3026—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers the gain being discontinuously variable, e.g. controlled by switching

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Amplifiers (AREA)
  • Indication And Recording Devices For Special Purposes And Tariff Metering Devices (AREA)
  • Analogue/Digital Conversion (AREA)
  • Control Of Amplification And Gain Control (AREA)
CA 2066705 1989-09-28 1990-09-26 Instrumentation amplifier with automatic gain control Abandoned CA2066705A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI894591A FI87861C (fi) 1989-09-28 1989-09-28 En automatiskt sin foerstaerkning reglerande instrumenteringsfoerstaerkare
FI894591 1989-09-28

Publications (1)

Publication Number Publication Date
CA2066705A1 true CA2066705A1 (en) 1991-03-29

Family

ID=8529071

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2066705 Abandoned CA2066705A1 (en) 1989-09-28 1990-09-26 Instrumentation amplifier with automatic gain control

Country Status (5)

Country Link
EP (1) EP0494198A1 (fi)
JP (1) JPH05500590A (fi)
CA (1) CA2066705A1 (fi)
FI (1) FI87861C (fi)
WO (1) WO1991005406A1 (fi)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5886017A (en) * 1986-06-11 1999-03-23 Procyon Pharmaceuticals, Inc. Protein kinase C modulators. E.
FR2702581B1 (fr) * 1993-03-12 1995-06-02 Sagem Circuit multiplicateur à potentiomètres et compteur d'énergie électrique incorporant un tel circuit.
DE102019113360A1 (de) * 2019-05-20 2020-11-26 Carl Zeiss Microscopy Gmbh Beleuchtungsvorrichtung für ein Lichtmikroskop und Beleuchtungsverfahren

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2853642A1 (de) * 1978-12-09 1980-06-12 Biotronik Mess & Therapieg Amplituden-regeleinrichtung fuer ekg-signale
US4739307A (en) * 1984-01-31 1988-04-19 Analogic Corporation Multichannel predictive gain amplifier system
US4553104A (en) * 1984-03-01 1985-11-12 Honeywell Inc. Method of compensating an amplifier system having a variable gain amplifier to achieve a constant overall system signal gain and an apparatus utilizing the same
FR2592537B1 (fr) * 1985-12-30 1991-05-31 Inst Francais Du Petrole Dispositif pour l'amplification et l'echantillonnage de signaux analogiques multiplexes.

Also Published As

Publication number Publication date
EP0494198A1 (en) 1992-07-15
FI87861C (fi) 1993-02-25
FI87861B (fi) 1992-11-13
FI894591A0 (fi) 1989-09-28
JPH05500590A (ja) 1993-02-04
FI894591A (fi) 1991-03-29
WO1991005406A1 (en) 1991-04-18

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Legal Events

Date Code Title Description
FZDE Dead