AD633 multiplier connection error (1 Viewer)

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Currently i am using Proteus 7.4SP3 to simulate the AD633 multiplier. The two input is a trend of pulses and i want to get the output. The problem is that it occur 2 warnings which is then stopped my simulation.

1. [SPICE] DELMIN increased to 1.11022e-016 due to lack of time precision
2. [SPICE] TRAN: Timestep too small; timestep = 0: trouble with node #v:u1:nc#branch

I had attached the jpg for you to refer. Please help and commend about the problem. I need your help very much. Thanks =)


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