On Fri, Feb 21, 2025 at 05:57 AM, Carlo wrote:
The point is that, by removing both the independent current source I1 and the G-source Ghot from the overall topology, the topology check realizes that there is the series/string of R:U1:cool and R:U1:load resistors (connecting node N001 with U1:HB passing through the intermediate node U1:HA) that are actually disconnected from the rest of the circuit. Therefore the topology check complains that U1:HB node is floating and connected to the (controlled) current source G:U1:HOT.
Thinking again about it, I realized that the "topology check routine" throws a warning complaining that there is a
cut-set made of (independent or controlled) current sources only.
?
In this specific circuit, as you pointed out, it isn't a problem at all since the G-controlled source within the subckt actually implements/realizes just a non-linear resistor.
?
Carlo.
Carlo