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msajid
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actually i am getting error message ERROR -- Less than 2 connections at node O while simulating this code *Buck Converter *PWM VRAMP 1 0 PULSE (1 4 0 398U 1U 1U 1U 400U) R1 1 0 1K; dummy load VREF 5 0 DC 12 R1 5 0 1K; dummy load *Amplifier E1 7 0 8 5 30 *Power Circuit VI 2 0 DC 15 SI 2 3 1 7 SWITCH; includes comparator DS1 3 2 DIODE D1 0 3 DIODE L 3 8 20M C 8 0 47U RL 8 0 22 .MODEL SWITCH VSWITCH(VON = 0.01 VOFF = -0.01 RON = 0.1 ROFF = 100K) .MODEL DIODE D .OPTIONS ITL4=20 ITL5=0 LIMPTS=0 RELTOL=0.01 .PROBE V(1) V(3) V(8) V(7) I(L) .TRAN 50U 25M 0 50U .END
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simulating circuits with ICs in orcad
msajid replied to fafa's topic in Spice Simulation - PCB design
while simulating this in Pspice A/D i get above. please help me. *Buck Converter *PWM VRAMP 1 0 PULSE (1 4 0 398U 1U 1U 1U 400U) R1 1 0 1K; dummy load VREF 5 0 DC 12 R1 5 0 1K; dummy load *Amplifier E1 7 0 8 5 30 *Power Circuit VI 2 0 DC 15 SI 2 3 1 7 SWITCH; includes comparator DS1 3 2 DIODE D1 0 3 DIODE L 3 8 20M C 8 0 47U RL 8 0 22 .MODEL SWITCH VSWITCH(VON = 0.01 VOFF = -0.01 RON = 0.1 ROFF = 100K) .MODEL DIODE D .OPTIONS ITL4=20 ITL5=0 LIMPTS=0 RELTOL=0.01 .PROBE V(1) V(3) V(8) V(7) I(L) .TRAN 50U 25M 0 50U .END