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The transient simulation failed when there is a floating real resistor. I guess it is a problem of resistor model. To solve the Kirchhoff function for a floating resistor, the simulator just give some default value of the resistor's node, and this value makes a wrong transient response. So in...
Thanks for your reply.
I have a startup circuit in the Bandgap Reference.
I think if it is startup problem, then the current flow into the triode should be zero. Inversely, in this case the current of bandgap is high. Is it also a start up problem?
Actually, the problem occurs even I just put...
Hi
I have designed a bandgap reference circuit with an opamp on Virtuoso cadence. The bandgap reference works well when I use ideal resistor. However, after I replaced the resistor with rnpoly from TSMC40, the reference voltage went wrong (like from 700mV to 900mV). This error occurs when I...
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