|   | 
| Ixxxx n+ n- [DC dcvalue] [AC magnitude [phase]] [transient_spec] | 
| n+ | Positive node | |||||||||||||
| n- | Negative node | |||||||||||||
| dcvalue | Value of source for dc operating point analysis | |||||||||||||
| magnitude | AC magnitude for AC sweep analysis. | |||||||||||||
| phase | phase for AC sweep analysis | |||||||||||||
| transient_spec | Specification for time varying source. Can be one of following: 
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