JPS5592008A - Cmos differential amplifier - Google Patents

Cmos differential amplifier

Info

Publication number
JPS5592008A
JPS5592008A JP16505878A JP16505878A JPS5592008A JP S5592008 A JPS5592008 A JP S5592008A JP 16505878 A JP16505878 A JP 16505878A JP 16505878 A JP16505878 A JP 16505878A JP S5592008 A JPS5592008 A JP S5592008A
Authority
JP
Japan
Prior art keywords
dynamic range
gnd
substrates
differential amplifier
input signals
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.)
Pending
Application number
JP16505878A
Other languages
Japanese (ja)
Inventor
Masayuki Takahashi
Michinobu Ohata
Takafumi Nakajo
Kunihiko Goto
Hirokazu Fukui
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.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP16505878A priority Critical patent/JPS5592008A/en
Publication of JPS5592008A publication Critical patent/JPS5592008A/en
Pending legal-status Critical Current

Links

Classifications

    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)

Abstract

PURPOSE:To extend the dynamic range of input signals by connecting back gates of a differential pair of MOSFETs to sources. CONSTITUTION:Substrates of MOSFET TN1 and TN2 are connected to source S instead of the most negative position, namely, GND. Thus, the common level becomes smaller than connection of substrates to GND, so that the lower limit of the dynamic range may be extended downward. Consequently, the dynamic range of input signals can be extended. This extension can be executed very easily by connecting source S to p-type well W by wiring l in respect to a n-channel MOSFET in a CMOSIC.
JP16505878A 1978-12-29 1978-12-29 Cmos differential amplifier Pending JPS5592008A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16505878A JPS5592008A (en) 1978-12-29 1978-12-29 Cmos differential amplifier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16505878A JPS5592008A (en) 1978-12-29 1978-12-29 Cmos differential amplifier

Publications (1)

Publication Number Publication Date
JPS5592008A true JPS5592008A (en) 1980-07-12

Family

ID=15805039

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16505878A Pending JPS5592008A (en) 1978-12-29 1978-12-29 Cmos differential amplifier

Country Status (1)

Country Link
JP (1) JPS5592008A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59214311A (en) * 1983-05-18 1984-12-04 Mitsubishi Electric Corp Integrated circuit device
WO1992004770A1 (en) * 1990-09-12 1992-03-19 Fujitsu Limited Differential amplifying circuit of operational amplifier
US5373473A (en) * 1992-09-01 1994-12-13 Mitsubishi Denki Kabushiki Kaisha Amplifier circuit and semiconductor memory device employing the same
US5463348A (en) * 1994-07-27 1995-10-31 California Institute Of Technology CMOS low-power, wide-linear-range, well-input differential and transconductance amplifiers

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59214311A (en) * 1983-05-18 1984-12-04 Mitsubishi Electric Corp Integrated circuit device
WO1992004770A1 (en) * 1990-09-12 1992-03-19 Fujitsu Limited Differential amplifying circuit of operational amplifier
US5373473A (en) * 1992-09-01 1994-12-13 Mitsubishi Denki Kabushiki Kaisha Amplifier circuit and semiconductor memory device employing the same
US5463348A (en) * 1994-07-27 1995-10-31 California Institute Of Technology CMOS low-power, wide-linear-range, well-input differential and transconductance amplifiers

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