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TINA/Spice: PROBLEM FOR A NEWBIE : TOOL IS UNABLE TO PROVIDE OUTPUT, WHEN TWO VOLTAGE GENERATORS IS GIVEN IN A SINGLE SCHEMATIC.

Tool/software: TINA-TI or Spice Models

I am trying to simulate LISN circuit in TINA 9.3.1. The VG1 is to give 230Vrms mains supply to the circuit. To provide noise for my circuit i added VG2 at the load. Now when i perform transient analysis, a pop-up came saying, Only one input is allowed !.... How am i able to say that my circuit is able to ground the noise and provide stable impedance, without applying noise to my terminals and check in signal analyzer.

Another problem i observed is, if i applied VG2 to the circuit, VG1 is generating 110fVrms.... which literally translates that VG1 is not switching on.

Please, Solve my problem ASAP....