PCB Design Services

We are experts in PCB layout with a solid reputation in RF systems, high speed digital, mixed-signal and EMC analog. We design single, double, and high layer count (Up to 40 layers), Rigid, and Flex-Rigid printed circuit boards. Whether your project entails high speed constraint-driven requirements, routing, or basic I/O, our engineers and technical staff has the expertise to deliver comprehensive designs that are top quality, well-managed, and on-time.

Our mature engineering methodology ensures efficient, cost effective designs, done right the first time. Designs can be provided using industry standard PCB design software:
• Cadence (ORCAD & Allegro)
• AD (Protel)
• Mentor Graphics (PADS)
• Altium (Altium Designer)

We have extensive experience in creating RoHS compliant designs for new layouts and conversions of existing assemblies. Also, ask about our reverse engineering capabilities, as we can convert an existing board assembly without documentation into a complete and functional database.

Capabilities and Services offered:
• Schematic capture
• Assembly drawings, fabrication drawings
• Board layout from a customer supplied schematic diagram
• Reverse engineering
• Controlled impedance (single and differential) designs
• Layout for RF designs
• High Speed Backplane and Mid-plane DesignsMicro BGA / Micro via/ Blind & Buried Vias
• Multi-layer boards, split ground planes, differential pairs, high speed rules
• Routing per trace/space, keep-out, and clearance rules specified by customer
• Component resequencing based on physical layout, reverse annotation to schematic
• DFT audit, test point placement, test probe clearance per customer rules, testability report
• Surface mount or through hole designs

• Unusual PCB shapes

What We Deliver:
• Read me file with all relevant details and manufacturing guidelines
• Schematic - pdf format
• PCB Netlist - text format
• Assembly Drawing - .pdf OR gerber format
• Fab master drawing .pdf OR gerber format – details must be provided by customer
• PDF copies of all board layer images
• Gerber Data for all electrical and non-electrical layers in 274X, 2,3 English format OR customer specified format
• CNC Drill Data in 3,2 metric, absolute Excellon format or customer specified format

• Any other customer specified outputs.

CAD Tools & Data Importing
PCB Assembly Express uses Cadence's Allegro, OrCAD Layout and Mentor Graphics PADS for schematic capture & printed circuit board design. Net list data from other CAD systems can also be used. We can import AutoCAD drawings to capture mechanical constraints for board layout as well as export mechanical data.

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Sample Bill of Materials (BOM)_Shenzhen Grande Electronic

Our Facilities

Fully automated pick-and-place mac

SMT Reflow oven

PCB Flying-Probe

PCB Factory drilling machine

PCBA Functional testing

One of our SMT lines

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