mike_bihan
Full Member level 3
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Hi, all:
Did hspice included the variation of gm (CMOS) over broad frequency upto 20G ?
Since it takes electrons finite time to pass through the channel, so there will be a up-limit frequency above which eletron will forever stay in the channel.
Did hspice take that into account? In another way, if no parasitic capacitance exists, will the cut-off frequency of mosfet in hspice simulation be infinite ?
(The reason I did not do the test it myself is that it looks that impossible to remove all cap in the process file, maybe some avanti guies can answer this problem. Anyway, gmo is frequency independent)
Did hspice included the variation of gm (CMOS) over broad frequency upto 20G ?
Since it takes electrons finite time to pass through the channel, so there will be a up-limit frequency above which eletron will forever stay in the channel.
Did hspice take that into account? In another way, if no parasitic capacitance exists, will the cut-off frequency of mosfet in hspice simulation be infinite ?
(The reason I did not do the test it myself is that it looks that impossible to remove all cap in the process file, maybe some avanti guies can answer this problem. Anyway, gmo is frequency independent)