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|  |  | Allegro PCB SI A virtual prototyping environment for designs with signals operating in Multi-Gigahertz (MGH) frequency range, Allegro PCB SI offers complete, integrated S-Parameters support and fast, accurate high-capacity simulation with a constraint-driven PCB design flow. View Product Reviews, screen shots and videos. » |

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|  |  | Allegro Package SI Allegro Package SI is an SI solution for advanced IC packages with an embedded, proven 3D field solver from Optimal Corporation's PakSi-E product. Allegro Package SI 620 reads and writes package designs produced and designed by Allegro Package Designer 610 and 620 as well as PCB designs created by Allegro PCB Layout. View Product Reviews, screen shots and videos. » |

|  |  | Allegro Package Designer Allegro Package Designer is a complete constraint-driven physical design solution supporting all packaging methods including PGA, BGA, micro-BGA and chip scale using both flip-chip and wirebond die attach methods. Full online design-rule checking supports all combinations of laminate, ceramic and deposited substrate technologies. Multiple cavities, complex shapes, and interactive and automatic wirebonding are all supported. View Product Reviews, screen shots and videos. » |

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