Jun 23, 2005 #1 I incol Full Member level 2 Joined Jan 18, 2005 Messages 143 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,296 Activity points 1,077 I am designing a ring osc, it seems to add an initial voltage to the circuit, but how to realize it in hspice, what is the program, is using .ac thank you
I am designing a ring osc, it seems to add an initial voltage to the circuit, but how to realize it in hspice, what is the program, is using .ac thank you
Jun 23, 2005 #2 A aryajur Advanced Member level 3 Joined Oct 23, 2004 Messages 793 Helped 124 Reputation 248 Reaction score 38 Trophy points 1,308 Location San Jose, USA Activity points 7,788 An initial voltage can be added to the circuit by adding a .IC tag in HSPICE to a particular node.
Jun 25, 2005 #3 Y yibinhsieh Full Member level 4 Joined Apr 25, 2005 Messages 194 Helped 19 Reputation 38 Reaction score 5 Trophy points 1,298 Activity points 2,845 You can do this listed in below .ic v(nt1)=0 or .nodeset v(nt1)=0 Yibin.