GB1284160A - Amplifier system - Google Patents

Amplifier system

Info

Publication number
GB1284160A
GB1284160A GB38439/70A GB3843970A GB1284160A GB 1284160 A GB1284160 A GB 1284160A GB 38439/70 A GB38439/70 A GB 38439/70A GB 3843970 A GB3843970 A GB 3843970A GB 1284160 A GB1284160 A GB 1284160A
Authority
GB
United Kingdom
Prior art keywords
input
amplifier
output
amplifiers
gain
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
GB38439/70A
Other languages
English (en)
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.)
Texaco Development Corp
Original Assignee
Texaco Development 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 Texaco Development Corp filed Critical Texaco Development Corp
Publication of GB1284160A publication Critical patent/GB1284160A/en
Expired 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
    • G01V1/24—Recording seismic data
    • G01V1/245—Amplitude control for seismic recording
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/72—Gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal

Landscapes

  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Acoustics & Sound (AREA)
  • Geophysics (AREA)
  • Multimedia (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Analogue/Digital Conversion (AREA)
GB38439/70A 1969-09-04 1970-08-10 Amplifier system Expired GB1284160A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US85517269A 1969-09-04 1969-09-04

Publications (1)

Publication Number Publication Date
GB1284160A true GB1284160A (en) 1972-08-02

Family

ID=25320522

Family Applications (1)

Application Number Title Priority Date Filing Date
GB38439/70A Expired GB1284160A (en) 1969-09-04 1970-08-10 Amplifier system

Country Status (8)

Country Link
US (1) US3688250A (https=)
JP (1) JPS5220815B1 (https=)
CA (1) CA919299A (https=)
CH (1) CH531727A (https=)
DE (1) DE2043538A1 (https=)
FR (1) FR2059426A5 (https=)
GB (1) GB1284160A (https=)
NL (1) NL7013038A (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2146191A (en) * 1983-08-19 1985-04-11 Gen Electric Co Plc Frequency division transmission equipment

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3919657A (en) * 1973-11-12 1975-11-11 Texaco Inc Wide dynamic range amplifier system with slew rate control
FR2272442B1 (https=) * 1974-05-21 1977-03-11 Aquitaine Petrole
US4031504A (en) * 1976-03-08 1977-06-21 Western Geophysical Company Of America Gain ranging amplifier system
US4064480A (en) * 1975-11-10 1977-12-20 Texaco Inc. Means and method for recording seismic signals
US4357577A (en) * 1976-12-10 1982-11-02 Geosource Inc. Instantaneous floating point amplifier
US4158819A (en) * 1976-12-10 1979-06-19 Geosource Inc. Instantaneous floating point amplifier
US8226003B2 (en) 2006-04-27 2012-07-24 Sirit Inc. Adjusting parameters associated with leakage signals
US8248212B2 (en) 2007-05-24 2012-08-21 Sirit Inc. Pipelining processes in a RF reader
US8427316B2 (en) 2008-03-20 2013-04-23 3M Innovative Properties Company Detecting tampered with radio frequency identification tags
US8446256B2 (en) 2008-05-19 2013-05-21 Sirit Technologies Inc. Multiplexing radio frequency signals
US8169312B2 (en) 2009-01-09 2012-05-01 Sirit Inc. Determining speeds of radio frequency tags
US8416079B2 (en) 2009-06-02 2013-04-09 3M Innovative Properties Company Switching radio frequency identification (RFID) tags
DE102011120920A1 (de) 2011-12-09 2013-06-13 Benjamin Bochmann Verarbeitungseinrichtung für Messdaten geophysikalischer Untersuchungsmethoden, Verfahren zur Verarbeitung von Messdaten geophysikalicher Untersuchungsmethoden und geophysikalisches Erkundungssystem
US10062025B2 (en) 2012-03-09 2018-08-28 Neology, Inc. Switchable RFID tag
US10608600B2 (en) * 2015-12-23 2020-03-31 Analog Devices, Inc Adaptable receiver amplifier
IT201600104760A1 (it) * 2016-10-18 2018-04-18 Menarini Silicon Biosystems Spa Circuito elettronico di pilotaggio per il pilotaggio di elettrodi di un dispositivo microfluidico di manipolazione di particelle, e relativo apparecchio di analisi
US20220399863A1 (en) * 2021-05-20 2022-12-15 The Royal Institution For The Advancement Of Learning/Mcgill University Enhanced gain of operational amplifiers through low-frequency zero positioning

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3252105A (en) * 1962-06-07 1966-05-17 Honeywell Inc Rate limiting apparatus including active elements
US3241100A (en) * 1965-03-08 1966-03-15 Texaco Inc Digital seismic recording system
US3264574A (en) * 1965-03-09 1966-08-02 Texaco Inc Amplifier system
US3426285A (en) * 1965-09-07 1969-02-04 Us Navy Amplifier testing apparatus
US3470457A (en) * 1967-04-28 1969-09-30 Texaco Inc Voltage regulator employing cascaded operational amplifiers

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2146191A (en) * 1983-08-19 1985-04-11 Gen Electric Co Plc Frequency division transmission equipment

Also Published As

Publication number Publication date
CH531727A (de) 1972-12-15
DE2043538A1 (de) 1971-03-11
NL7013038A (https=) 1971-03-08
DE2043538C3 (https=) 1974-05-02
US3688250A (en) 1972-08-29
FR2059426A5 (https=) 1971-05-28
JPS5220815B1 (https=) 1977-06-06
CA919299A (en) 1973-01-16
DE2043538B2 (https=) 1973-10-11

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee