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aman
Joined: 25 Oct 2004
Posts: 145
Helped: 1
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 25 Dec 2004 21:19 MOs Differential Pair |
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| what is MOs Differential Pair
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aryajur
Joined: 23 Oct 2004
Posts: 675
Helped: 69
Location: Sunnyvale, USA
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| 26 Dec 2004 4:55 Re: MOs Differential Pair |
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A MOS differential pair is a Differential implifier input stage which is made up of 2 MOSFETs which accept the input differential signal.
I suggest you read a book like Design of Analog CMOS Integrated Circuits by Behzad Razavi, or the book Analysis and Design of Analog Integrated Circuits by Gray and Meyer.
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chingtang
Joined: 19 Dec 2004
Posts: 11
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| 28 Dec 2004 0:26 Re: MOs Differential Pair |
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| A differential pair amplifies the differencial signal and rejects the common mode signal. It's chapter 4 in Razavi's book.
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Edward_2288
Joined: 07 Mar 2004
Posts: 72
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| 28 Dec 2004 4:34 MOs Differential Pair |
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| a mos differential pair is an architecture whereby two MOSFETs share common source.
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markty
Joined: 15 Dec 2004
Posts: 60
Helped: 2
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| 29 Dec 2004 5:51 MOs Differential Pair |
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| It means the differential input stage. It amplify differential signals.
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konqueror
Joined: 27 Nov 2004
Posts: 93
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| 03 Jan 2005 19:14 MOs Differential Pair |
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in a mos differential stage the (n type) mosfets are connected with sources tied togather and signal to be amplified is applied between the two gates.you can find better analytical explanation in " design of analog cmos integrated circuits" by behzad razavi
or allen & hollberg
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dreamheater
Joined: 03 Jan 2005
Posts: 11
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| 03 Jan 2005 22:21 Re: MOs Differential Pair |
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| A differential pair is composed of two common source amplifiers (whose bias currents sum up to be a constant). The two amplifiers have the same gain. When an input is applied across the input terminals, and an output is taken differencially from the output nodes of the two amplifiers, the differential output will be the differential input amplified by the gain of the two common-source amplifiers.
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