GB2323692B - Tunable operational transconductance amplifier and two-quadrant multiplier employing MOS transistors - Google Patents

Tunable operational transconductance amplifier and two-quadrant multiplier employing MOS transistors

Info

Publication number
GB2323692B
GB2323692B GB9813755A GB9813755A GB2323692B GB 2323692 B GB2323692 B GB 2323692B GB 9813755 A GB9813755 A GB 9813755A GB 9813755 A GB9813755 A GB 9813755A GB 2323692 B GB2323692 B GB 2323692B
Authority
GB
United Kingdom
Prior art keywords
mos transistors
transconductance amplifier
operational transconductance
quadrant multiplier
employing mos
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
GB9813755A
Other versions
GB2323692A (en
GB9813755D0 (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
Priority claimed from JP13046794A external-priority patent/JP2526808B2/en
Priority claimed from JP13046694A external-priority patent/JP2540782B2/en
Application filed by NEC Corp filed Critical NEC Corp
Priority claimed from GB9725965A external-priority patent/GB2317728B/en
Publication of GB9813755D0 publication Critical patent/GB9813755D0/en
Publication of GB2323692A publication Critical patent/GB2323692A/en
Application granted granted Critical
Publication of GB2323692B publication Critical patent/GB2323692B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06G7/16—Arrangements for performing computing operations, e.g. operational amplifiers for multiplication or division
    • G06G7/164—Arrangements for performing computing operations, e.g. operational amplifiers for multiplication or division using means for evaluating powers, e.g. quarter square multiplier
GB9813755A 1994-06-13 1995-06-13 Tunable operational transconductance amplifier and two-quadrant multiplier employing MOS transistors Expired - Fee Related GB2323692B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP13046794A JP2526808B2 (en) 1994-06-13 1994-06-13 Tunable MOS OTA
JP13046694A JP2540782B2 (en) 1994-06-13 1994-06-13 MOS2 quadrant multiplier
GB9725965A GB2317728B (en) 1994-06-13 1995-06-13 Tunable operational transconductance amplifier and two-quadrant multiplier employing MOS transistors

Publications (3)

Publication Number Publication Date
GB9813755D0 GB9813755D0 (en) 1998-08-26
GB2323692A GB2323692A (en) 1998-09-30
GB2323692B true GB2323692B (en) 1998-11-18

Family

ID=27269127

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9813755A Expired - Fee Related GB2323692B (en) 1994-06-13 1995-06-13 Tunable operational transconductance amplifier and two-quadrant multiplier employing MOS transistors

Country Status (1)

Country Link
GB (1) GB2323692B (en)

Also Published As

Publication number Publication date
GB2323692A (en) 1998-09-30
GB9813755D0 (en) 1998-08-26

Similar Documents

Publication Publication Date Title
GB2290642B (en) Tunable operational transconductance amplifier and two-quadrant multiplier employing MOS transistors
GB9511797D0 (en) Mos operational transconductance amplifier
GB9704257D0 (en) Operational transconductance amplifier and multiplier
GB9413198D0 (en) Wide tuning range operational transconductance amplifiers
SG48474A1 (en) Mos gate driver circuit with analog input and variable dead time band
EP0929934A4 (en) Merged transconductance amplifier
EP0633657A3 (en) Cascaded amplifier.
GB2306261B (en) Operational transconductance amplifier and multiplier
AU3290297A (en) Fully differential voltage controlled operational transconductance amplifier
BR9405759A (en) Amplifier multi-stage amplifier circuit and radiotelephone
AU2252697A (en) Input and output monitored amplifier
GB2313244B (en) Amplifier and portable telephone apparatus using the same
GB2290896B (en) MOS four-quadrant multiplier
EP0768753A4 (en) Tuned amplifier
DE69325810D1 (en) CMOS-integrated high-performance transconductance operational amplifier
GB9803348D0 (en) Tunable mos linear transconductance amplifier having source-coupled pair and square-root circuits
GB2317727B (en) Tunable operational transconductance amplifier and two-quadrant multiplier employing MOS transistors
GB2323692B (en) Tunable operational transconductance amplifier and two-quadrant multiplier employing MOS transistors
DE69320776T2 (en) Transconductance amplifier
GB9719628D0 (en) Operational transconductance amplifier and output circuit therefor
GB9619520D0 (en) Bipolar operational transconductance amplifier
EP0632580A3 (en) Output amplifier stage.
AU108633S (en) Combined tuner and amplifier
GB9220606D0 (en) Weatherproofing and draught excluding devices
GB9820933D0 (en) Operational transconductance amplifier

Legal Events

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

Effective date: 20030613