Sep 21, 2015 #1 K Kristya Junior Member level 1 Joined Sep 21, 2015 Messages 17 Helped 0 Reputation 0 Reaction score 0 Trophy points 1 Activity points 160 I'm learning HSPICE. When simulating a ring VCO, I can't get oscillating wave. It seems to be locked,but i'm sure the connection is right for the netlist is available on Cadence Spectre. Is there any issues. Thanks in advance.
I'm learning HSPICE. When simulating a ring VCO, I can't get oscillating wave. It seems to be locked,but i'm sure the connection is right for the netlist is available on Cadence Spectre. Is there any issues. Thanks in advance.
Sep 21, 2015 #2 erikl Super Moderator Staff member Joined Sep 9, 2008 Messages 8,108 Helped 2,695 Reputation 5,370 Reaction score 2,305 Trophy points 1,393 Location Germany Activity points 44,123 In your transient simulation switch on the power supply.
Sep 22, 2015 #3 K Kristya Junior Member level 1 Joined Sep 21, 2015 Messages 17 Helped 0 Reputation 0 Reaction score 0 Trophy points 1 Activity points 160 I've tried PWL voltage source on VDD,still doesn't work. I add a control command .option accurate=1 ,then it work. Thank you anyway .
I've tried PWL voltage source on VDD,still doesn't work. I add a control command .option accurate=1 ,then it work. Thank you anyway .