HSpice - subcircuit branch current

[Paul]

Hi,
I am pretty new to HSpice...
I'm simulating some CMOS gates. My output node is driven by two
subcircuits (one is a pullup network and the other a pulldown
network). What I want to do is probe the currents coming out of those
subcircuits. Is there a way I can do this without needing to know how
these subcircuits are configured internally? For example, if one
subcircuit consists of a number of parallel transistors all connected
to the output node, I would have to specifically probe the output
currents of each of them and then sum them to get my overall current
coming out of the subcircuit. Can I avoid this?

Thanks. hope that made sense... and hope someone knows the answer!

 

[Kevin Aylward]

Paul wrote:

Hi,
I am pretty new to HSpice...
I'm simulating some CMOS gates. My output node is driven by two
subcircuits (one is a pullup network and the other a pulldown
network). What I want to do is probe the currents coming out of those
subcircuits. Is there a way I can do this without needing to know how
these subcircuits are configured internally? For example, if one
subcircuit consists of a number of parallel transistors all connected
to the output node, I would have to specifically probe the output
currents of each of them and then sum them to get my overall current
coming out of the subcircuit. Can I avoid this?

Thanks. hope that made sense... and hope someone knows the answer!

Just put a OV DC source in the output lead and look at its current.

Kevin Aylward
salesEXTRACT@anasoft.co.uk
http://www.anasoft.co.uk
SuperSpice, a very affordable Mixed-Mode
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