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GB2303507B - Low-voltage bipolar OTA having a linearity in transconductance over a wide input voltage range - Google Patents

Low-voltage bipolar OTA having a linearity in transconductance over a wide input voltage range

Info

Publication number
GB2303507B
GB2303507B GB9615224A GB9615224A GB2303507B GB 2303507 B GB2303507 B GB 2303507B GB 9615224 A GB9615224 A GB 9615224A GB 9615224 A GB9615224 A GB 9615224A GB 2303507 B GB2303507 B GB 2303507B
Authority
GB
United Kingdom
Prior art keywords
linearity
low
wide input
input voltage
voltage range
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 - Fee Related
Application number
GB9615224A
Other versions
GB2303507A (en
GB9615224D0 (en
Inventor
Katsuji Kimura
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.)
NEC Corp
Original Assignee
NEC 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 NEC Corp filed Critical NEC Corp
Publication of GB9615224D0 publication Critical patent/GB9615224D0/en
Publication of GB2303507A publication Critical patent/GB2303507A/en
Application granted granted Critical
Publication of GB2303507B publication Critical patent/GB2303507B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H03G1/0017—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
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/32—Modifications of amplifiers to reduce non-linear distortion
    • H03F1/3211—Modifications of amplifiers to reduce non-linear distortion in differential amplifiers

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
GB9615224A 1995-07-21 1996-07-19 Low-voltage bipolar OTA having a linearity in transconductance over a wide input voltage range Expired - Fee Related GB2303507B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18608995 1995-07-21

Publications (3)

Publication Number Publication Date
GB9615224D0 GB9615224D0 (en) 1996-09-04
GB2303507A GB2303507A (en) 1997-02-19
GB2303507B true GB2303507B (en) 2000-03-08

Family

ID=16182181

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9615224A Expired - Fee Related GB2303507B (en) 1995-07-21 1996-07-19 Low-voltage bipolar OTA having a linearity in transconductance over a wide input voltage range

Country Status (2)

Country Link
AU (1) AU715379B2 (en)
GB (1) GB2303507B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2329775A (en) * 1997-09-26 1999-03-31 Nec Corp Operational transconductance amplifier, squarer and hyperbolic sine/cosine circuits using a bypass transistor in a differential stage
JP2990147B2 (en) * 1998-02-20 1999-12-13 日本電気アイシーマイコンシステム株式会社 Variable gain amplifier circuit
WO2000013308A1 (en) * 1998-08-31 2000-03-09 Maxim Integrated Products, Inc. Linear and multi-sinh transconductance circuits
US6188281B1 (en) * 1998-09-30 2001-02-13 Maxim Integrated Products, Inc. Linear transconductance circuits having class AB amplifiers parallel coupled with concave compensation circuits

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0672992A1 (en) * 1994-03-09 1995-09-20 Nec Corporation Analog multiplier using multitail cell

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8600422A (en) * 1986-02-20 1987-09-16 Philips Nv TRANSCONDUCTION AMPLIFIER.
US4951003A (en) * 1988-06-03 1990-08-21 U.S. Philips Corp. Differential transconductance circuit
JP2661527B2 (en) * 1993-01-27 1997-10-08 日本電気株式会社 Differential amplifier circuit

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0672992A1 (en) * 1994-03-09 1995-09-20 Nec Corporation Analog multiplier using multitail cell

Also Published As

Publication number Publication date
GB2303507A (en) 1997-02-19
AU715379B2 (en) 2000-02-03
GB9615224D0 (en) 1996-09-04
AU6064496A (en) 1997-01-30

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20010719