FR2221864B1 - - Google Patents

Info

Publication number
FR2221864B1
FR2221864B1 FR7408234A FR7408234A FR2221864B1 FR 2221864 B1 FR2221864 B1 FR 2221864B1 FR 7408234 A FR7408234 A FR 7408234A FR 7408234 A FR7408234 A FR 7408234A FR 2221864 B1 FR2221864 B1 FR 2221864B1
Authority
FR
France
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
FR7408234A
Other versions
FR2221864A1 (fr
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.)
AT&T Corp
Original Assignee
Western Electric Co Inc
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 Western Electric Co Inc filed Critical Western Electric Co Inc
Publication of FR2221864A1 publication Critical patent/FR2221864A1/fr
Application granted granted Critical
Publication of FR2221864B1 publication Critical patent/FR2221864B1/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G1/00—Details of arrangements for controlling amplification
    • H03G1/0005—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal
    • H03G1/0035—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements
    • H03G1/0082—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements using bipolar transistor-type devices
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/45—Differential amplifiers
    • H03F3/45071—Differential amplifiers with semiconductor devices only
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G1/00—Details of arrangements for controlling amplification
    • H03G1/0005—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal
    • H03G1/0017—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal the device being at least one of the amplifying solid state elements of the amplifier
    • H03G1/0023—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal the device being at least one of the amplifying solid state elements of the amplifier in emitter-coupled or cascode amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12—Analogue/digital converters
    • H03M1/34—Analogue value compared with reference values
    • H03M1/38—Analogue value compared with reference values sequentially only, e.g. successive approximation type
    • H03M1/42—Sequential comparisons in series-connected stages with no change in value of analogue signal

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Analogue/Digital Conversion (AREA)
  • Amplifiers (AREA)
  • Control Of Amplification And Gain Control (AREA)
FR7408234A 1973-03-12 1974-03-11 Expired FR2221864B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00340267A US3846712A (en) 1973-03-12 1973-03-12 Differential amplifier with dynamic biasing

Publications (2)

Publication Number Publication Date
FR2221864A1 FR2221864A1 (fr) 1974-10-11
FR2221864B1 true FR2221864B1 (fr) 1976-12-10

Family

ID=23332614

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7408234A Expired FR2221864B1 (fr) 1973-03-12 1974-03-11

Country Status (11)

Country Link
US (1) US3846712A (fr)
JP (1) JPS5527725B2 (fr)
BE (1) BE812078A (fr)
CA (1) CA997067A (fr)
CH (1) CH570740A5 (fr)
DE (1) DE2411062C3 (fr)
FR (1) FR2221864B1 (fr)
GB (1) GB1433069A (fr)
IT (1) IT1009265B (fr)
NL (1) NL164434C (fr)
SE (1) SE395806B (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5748886B2 (fr) * 1975-01-14 1982-10-19
US4197505A (en) * 1977-02-08 1980-04-08 Hitachi, Ltd. Limiter circuit
JPS588162B2 (ja) * 1978-04-19 1983-02-15 パイオニア株式会社 差動回路のミュ−ティング装置
JPS54155461U (fr) * 1978-04-20 1979-10-29
DE2924171A1 (de) * 1979-06-15 1980-12-18 Siemens Ag Monolithisch integrierbarer transistorverstaerker
JPS5634207A (en) * 1979-08-30 1981-04-06 Toshiba Corp Differential amplifier
US4535360A (en) * 1983-09-27 1985-08-13 At&T Bell Laboratories Low power wideband switching array element
DE3575506D1 (de) * 1984-06-07 1990-02-22 Siemens Ag Differenzverstaerkerschaltung.
DE4115017C2 (de) * 1991-05-08 2000-04-13 Temic Semiconductor Gmbh Verstimmbares Filter
US6720798B2 (en) * 2002-05-24 2004-04-13 Broadcom Corporation Class AB digital to analog converter/line driver
US7190298B2 (en) * 2002-05-24 2007-03-13 Broadcom Corporation Resistor ladder interpolation for subranging ADC
US7271755B2 (en) * 2002-05-24 2007-09-18 Broadcom Corporation Resistor ladder interpolation for PGA and DAC
US6697005B2 (en) * 2002-05-24 2004-02-24 Broadcom Corporation Analog to digital converter with interpolation of reference ladder
US6628224B1 (en) * 2002-05-24 2003-09-30 Broadcom Corporation Distributed averaging analog to digital converter topology

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3497824A (en) * 1967-08-18 1970-02-24 Bell Telephone Labor Inc Differential amplifier
DE1814045A1 (de) * 1967-12-22 1969-07-03 Beckman Instruments Inc Differenzverstaerker
US3521179A (en) * 1968-04-02 1970-07-21 Weston Instruments Inc Amplifier with source voltage control

Also Published As

Publication number Publication date
US3846712A (en) 1974-11-05
DE2411062B2 (de) 1979-09-13
DE2411062C3 (de) 1983-11-24
BE812078A (fr) 1974-07-01
DE2411062A1 (de) 1974-09-19
IT1009265B (it) 1976-12-10
NL164434B (nl) 1980-07-15
JPS5527725B2 (fr) 1980-07-23
GB1433069A (en) 1976-04-22
CH570740A5 (fr) 1975-12-15
SE395806B (sv) 1977-08-22
AU6634474A (en) 1975-09-11
FR2221864A1 (fr) 1974-10-11
NL164434C (nl) 1980-12-15
CA997067A (en) 1976-09-14
JPS49127549A (fr) 1974-12-06
NL7403030A (fr) 1974-09-16

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Legal Events

Date Code Title Description
ST Notification of lapse