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mosfet as current source (Read 3896 times)

aman gupta Community Member Offline Posts: 34 India	mosfet as current source Jul 24^th, 2013, 5:25am I was reading razavi's book where it was mentioned that " current source injects current into ground or draw current from VDD and only 1 terminal of current source is floating" My question is if 1 terminal is floating how can the current flow as there has to be a loop ???
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aaron_do Senior Fellow Offline Posts: 1398	Re: mosfet as current source Reply #1 - Jul 24^th, 2013, 5:37am I guess he means that the current is independent of the voltage, so the voltage can take on any value... Aaron
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A Kumar R Community Member Offline Posts: 72 India	Re: mosfet as current source Reply #2 - Jul 25^th, 2013, 5:47am Hi, The loop will be closed by other circuits where this Source/Sink of current is used. Bye, Anil
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aman gupta Community Member Offline Posts: 34 India	Re: mosfet as current source Reply #3 - Jul 26^th, 2013, 7:00am what is meant by floating terminal ??
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boe Community Fellow Offline Posts: 615	Re: mosfet as current source Reply #4 - Jul 26^th, 2013, 8:49am aman gupta wrote on Jul 26^th, 2013, 7:00am: what is meant by floating terminal ?? In this context it is a terminal which does not have a fixed voltage (e.g. ground, power supply, etc). - B O E
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