Controlled Resistor Error

[Emrys]

Hello,
I recently discovered that variable resistors are acting strangely in simulation.
I built a simple schematic to demonstrate the issue.

Variable_Resistor_Issue.qsch (2.9 KB)

[ivan1]

When you start simulation in a first step resistance of B1 is zero. So you should add a some small resistance in B1 equation.
Like this:

Best regards

[KSKelvin]

Update Qspice will resolve this problem.
06/28/2025 Alleviated some issues regarding behavioral resistors.