AMSA84
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pv("N0" "fug" ?result "dcOpInfo")
cross(dB20((mag(i("/V6/PLUS" ?result "ac")) / mag(i("/V5/PLUS" ?result "ac")))) 0 1 "either" nil nil)
Can you explain what you did with those expressions? The first one I get it but the second I don't understand.
https://community.cadence.com/cadence_blogs_8/b/rf/archive/2008/07/16/measuring-transistor-ft
Check this doc with detailed description.
What do you want to know ?HI pancho, thanks for the links but let me ask you if you're posting those links randomly?
What do you want to know ?Can you tell me where is those links are some useful information about how to get the fmax of a MOSFET?
Yes.Using the sp analysis?
Yes.Do I have to use the L and C components to isolate the AC from the DC?
"ideal_bias_tee" is my custom model which is not available.Should I use you testbench in the designers forum?
Use "analogLib/port3t" where you have to set C and L value.Or the one in cadence blog (completely useless)?
Yes.So, basically if I plot the Gmax and ask for the value when it crosses the 0db axis I get the fmax of the mosfet?
port3t is no more than combination of port, capacitor and inductor.The port3t is like a 3 port element with on the left a switch, below a switch with a source like psin (sort of) and on the right is just a simple pin. I can use that instead of using capacitors and inductors?
Use four sp1tswitch.But tell me, how am I supposed to use only one switch and make it open in DC AC etc?
Show me schematic or Netlist.I get a very stange plot:
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