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Current source (Read 824 times)
vivekrc
New Member
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Posts: 6
Current source
Sep 14
th
, 2004, 7:21pm
How could I design a current source using the 0.13 micron technologhy libraries which can give me a constant DC current of 1m A?
I tried the current mirror......any suggestions?
Waiting on ur replies
- Vivek
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kokabanga
Junior Member
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Posts: 28
Re: Current source
Reply #1 -
Sep 15
th
, 2004, 10:23am
what is the exact problem?
are you not having a scalable library or what?
what is exact problem?
anyways since u seem to need a current source...I wonder if u need a high enuf o/p resistance too...in that case anyway u may need to use a wide swing type current mirror anyways....anyways let see ...do reply man
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naren
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Vivek Chandrasekhar
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Re: Current source
Reply #2 -
Sep 15
th
, 2004, 1:22pm
The problem I am having is to generate a current source...using current mirror which can give me a output current of 1 mA. Also I need a high o/p resistance.
what is a wide swing current mirror?
Also I need to know which analysis do I need to use to find the exact current.
I need to use this current source in a current mode sample and hold circuit....which I have to fianlly put on layout.
Would really apprecaite if u could suggest me a way to get thro ....
- Vivek
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kokabanga
Junior Member
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Posts: 28
Re: Current source
Reply #3 -
Sep 15
th
, 2004, 1:24pm
please use chapter 4 from
analysis and design of analog ICs by gray,meyer,hurst,lewis
it is not easy to explain here
rather impossible
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naren
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