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The Designer's Guide Community Forum › Simulators › Circuit Simulators › How to measure current between draina nd source in eldo

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How to measure current between draina nd source in eldo (Read 4230 times)

rajivs1001 New Member Offline Posts: 7 Belgium	How to measure current between draina nd source in eldo Jun 09^th, 2009, 2:59pm Is there any way I could measure the current flowing between source and drain terminal of a transisotr without modifing the netlist ? Thanks, -Rajiv
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oermens Community Member Offline Posts: 86	Re: How to measure current between draina nd source in eldo Reply #1 - Jun 9^th, 2009, 3:19pm ~~Which simulator are you using? If Spectre in ADE, go Outputs>save all...> and theres an option for terminal currents (userprobe)~~ my mistake, i guess i didnt read the whole thread title
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rajivs1001 New Member Offline Posts: 7 Belgium	Re: How to measure current between draina nd source in eldo Reply #2 - Jun 9^th, 2009, 3:29pm I was asking about ELDO simulator. Thanks, -Rajiv
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AnalogDE Senior Member Offline Posts: 137	Re: How to measure current between draina nd source in eldo Reply #3 - Jun 9^th, 2009, 4:59pm Add the following line to your spice deck: .PROBE I(Mxx.D) or .PROBE I(Mxx.S) where Mxx is the instance name of the MOS you are interested in.
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rajivs1001 New Member Offline Posts: 7 Belgium	Re: How to measure current between draina nd source in eldo Reply #4 - Jun 11^th, 2009, 9:21am I was under the impression that I(Mxx.D) measures current between Drain and bulk but I verified that my assumption was not correct. Thanks for the reply. Regards, -Rajiv
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Geoffrey_Coram Senior Fellow Offline Posts: 1999 Massachusetts, USA	Re: How to measure current between draina nd source in eldo Reply #5 - Jun 12^th, 2009, 10:26am Note that I(Mxx.D) includes drain to bulk current, but usually that's smaller than the channel current.
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