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What is SPB OrCAD & Allegro?

SPB OrCAD & Allegro is a comprehensive PCB design platform for schematic capture, circuit simulation, and board layout. It integrates OrCAD Capture for circuit design, Allegro PCB Editor for layout and routing, and PSpice for mixed-signal analog and digital simulation targeting electronics design professionals and embedded systems engineers.

The Professional edition extends core capabilities with constraint-driven high-speed routing, advanced design rule checking, unlimited board layers and pin counts, and integrated signal integrity analysis for complex multilayer PCB workflows in telecommunications, automotive, aerospace, and consumer electronics applications.

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SPB OrCAD & Allegro Key Features

• OrCAD Capture Schematic Entry: Design circuits with parametric symbol libraries and component assignment to create netlists for PCB layout migration and electrical verification.
• Allegro PCB Editor Layout: Compose board layouts with unlimited pin and layer support, component placement management, and design stackup configuration for signal integrity requirements.
• Constraint Manager: Define trace width, spacing, differential pair rules, clearances, and net-specific routing constraints to govern board design and high-speed connectivity requirements.
• Advanced Routing with SPECCTRA: Apply interactive and automatic routing modes with shoving and plowing capabilities to accelerate trace connection and optimize board density.
• PSpice Mixed-Signal Simulation: Simulate analog circuits, digital logic, and RF components with transient, AC sweep, and DC analysis to verify circuit function before manufacturing.
• High-Speed Design Tools: Generate constrained differential pair routing, manage impedance-controlled traces, and perform timing analysis for DDR interfaces and high-speed signal integrity.
• Design Rule Checking (DRC): Verify board layout against electrical and manufacturing rules with automated DFM checking to identify violations before fabrication.
• 3D Visualization Engine: Render PCB assembly in 3D with component placement verification, mechanical interference detection, and visual design validation.
• Pre- and Post-Route Signal Integrity: Analyze signal quality, calculate crosstalk, verify transmission line behavior, and optimize trace routing to meet noise budgets and timing margins.
• Autorouting Engine: Configure automatic routing with layer selection, routing strategy options, and pattern-based trace generation to reduce manual layout effort.
• Design for Manufacturability (DFM): Apply DesignTrue design rules for solder mask, silkscreen, trace spacing, and via placement to reduce manufacturing defects and improve yield.
• Rigid, Flex, and Rigid-Flex Support: Design multilayer rigid boards, flexible circuits, or combined rigid-flex assemblies with appropriate layer configuration and bend region management.

SPB OrCAD & Allegro Applications