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javar
Joined: 17 Apr 2008
Posts: 6
Helped: 1
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 08 May 2008 22:52 Mismatch |
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I need basic information about the following item:
MOSFET mismatch. Especially in the implementation of differential pairs.
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KAEL41
Joined: 17 Apr 2008
Posts: 9
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| 08 May 2008 22:56 Re: Mismatch |
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| you can give information in the ieee in this organization you can get many papers about that and very proffesionals
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kiprono
Joined: 18 Nov 2005
Posts: 216
Helped: 14
Location: Nairobi
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laktronics
Joined: 06 Jan 2007
Posts: 761
Helped: 129
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| 10 May 2008 4:55 Re: Mismatch |
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Hi,
Irrespective of the type of device ( Transistor or FET or MOSFET ) used for differential application, the matching of their characteristic is important to ensure that they produce equal output for tha same voltage ( common mode input) applied to its input so that the differential output remains zero for a common mode input. Also, the drift of parameters with respect to time, temperature etc., if matched will ensure that the common mode gain does not drift over time.
Hence the importance of matching of individual characteristics of the componenets used.
Regards,
Laktronics
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