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TIME CONTROLLLED Switch configuration for initial condition problems in network analysis
Title
Question
THE EARLIER ANSWER IN THE FORUM GIVEN TO THIS IS NOT USEFUL SINCE HERE I WANT TIME CONTROLLED Switch.
FOR EX. t=0 switch is closed before t=0 (t=0-) it is open.

Ngspice General None min None sec 19-06-14, 2:27 p.m. ashish123

Answers:

Hi Ashish,

Simulation tool NgSpice do not have any in build model for time controlled switch.
It has only Voltage controlled and Current Controlled Switch.

But You can create your time controlled switch as sub circuit using voltage controlled switch and PWL source.

PWL piece wise linear vtg source. It take value in the form of (time voltage) . Where you can have value of voltage at particular time. Thus indirectly you can controlled the voltage control switch with help of time using PWL source. 

Hope the above suggestion will help you.

20-06-14, 2:42 p.m. fahim

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