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From prototype to production, SuperPCBA is your one-stop-shop for PCB assembly services.

PCB Design & Layout

PCB Design is based on the circuit schematic diagram to realize the functions required by the customers. The design of the printed circuit board mainly refers to the layout design, which needs to consider the  external connections. Such as optimal layout of internal electronic components, optimal layout of copper connections and through-holes, electromagnetic protection, heat dissipation and other factors. Excellent layout design can save production costs and achieve good circuit performance and heat dissipation performance. Simple layout design can be realized by hand, the complex layout design needs to be done by computer-aided design (CAD).

Services Offered

  • Circuit Development
  • Schematic Capture (OrCAD CIS Capture, DxDesigner, Altium)
  • Component footprint library development and maintenance
  • PCB Layout (Allegro, PADS, Expedition, Altium)
  • SI/PI Simulations (S parameter extraction, TDR plots, PDN plots, IR drops)

Principles of PCB Design

  1. Shorten the connection between high-frequency components as far as possible, and try to reduce their distribution parameters and electromagnetic interference with each other.  Easily disturbed components should not be too close to each other, andInput and output of them should be as far away from each other as possible.  

 

  1. Some components andwires may have high electric potential difference, so their distance should be increased to avoid accidental short circuit caused by discharge. High-voltage components should be kept out of reach as far as possible.

 

  1. Components weighing more than 15g should be fixed with brackets and then welded. Those heavy and hot components should not be placed on the circuit board, but placed on the bottom plate of the main chassis to consider heat dissipation. Thermal components must be kept away from heat-generating components.

 

  1. 4.For the layout of adjustable components such as potentiometers, adjustable inductance coils, variable capacitors, and micro switches, the structure of the entire board should be considered. Some frequently used switches should be placed in handeasily accessible places if the structure permits. The layout of components should be balanced and dense, but not top-heavy.

 

we must pay attention to the internal quality and also consider the overall aesthetic to achieve a successful PCB board.

PCB Design & Layout Process

There are many steps involved in our PCB design services as following steps.

Schematic Capturing: The process begins with drawing circuit designs on paper followed by processing it using the schematic editor. Our personnel are equipped with using the schematic capture software. The electronic design is then converted into a netlist file. The file has details of component pins as well as circuit nodes.

PCB Component Footprint Creation: This is an important process as it helps to determine the overall space available for various components. On the basis of the footprint creation, a mounting scheme is then determined. The creation of the footprints, help determine the number of layers. We are equipped to use both SMT or Through-hole technology for the actual placement.

PCB Routing: The use of a PCB software is made to route all the physical connections between the components. he software makes use of the netlist to route these connections. Our experienced personnel are fully equipped to undertake complex routing.

PCB Verification & Analysis: Our designers undertake a thorough verification and analysis to ensure that the assembly is free of any defects. This is made possible on account of our robust testing protocols that include in-circuit testing, X-Ray testing, functional testing, AOI and more. No matter what is the complexity of the board, you can rest assured that any defects will be caught and that you will not have to deal with costly errors at a time at the manufacturing stage or worse still when the product has already been sent into the market.

Services

Why SuperPCBA

Design
PCB Fabrication
Component Sourcing
Wire & Cable Harnesses
Testing & Inspectiong

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