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Prevas A/S, 2450 København SV


Frederikskaj 6
DK-2450 København SV

 

Contact person: Allan Berg

Phone direct (mobile): + 45 21 49 45 24

Phone: + 45 33 15 90 90

 

E-mail: sales@prevas.dk

Web site: www.prevas.dk

 

  

Let Prevas do it!

 

We support our customers all the way from idea through production, within managing, implementation, test and production.

 

Prevas offers

  • An established development department with critical mass in all disciplines
  • Senior hardware and software designers within most parts of your design
  • An EMS department that can help you with production
  • Innovation, that will help you add value to your product

References


Windmill Industry
High speed digital signal. Differential pair routing. Routing of DDR2 SDRAM. BGA routing for PowerPC, CPLD and FPGA’s. 10 layers PCB. Switch-mode PSU layout. EMC correct layout. Use of customers DMF rules and component libraries. 3D modelling. 


Chip Manufacturing
Circulated design of 25 identical channels used for testing ASIC prototypes.  Low noise design, with purpose of minimizing cross-talk and jitter. 


Audio-visual Supplier
Mix of analog and digital signal. 6 layers PCB. Layout of low noise microphone amplifier. Use of customer specific component libraries. 48V input Switch-mode PSU layout. BGA routing for DSP and FPGA.


MJK
Compact mechanical constraints, importing of mechanical CAD files. Modem and HF onboard.


Test Centre
Mix of analog and digital signal. Use of Prevas' own IPC component database.

 

PCB Layout

 

At Prevas, we consider PCB layout as one of the core competences in our development processes.

Our experienced and dedicated PCB layouters offer their expertise in:

  •  The most modern tools – but we also master the standard
  •  From Miniature layouts to rack size PCBs – from credit cards to high-density computer PCB's
  •  Our huge IPC compatible database of components reduces risks, maximises quality, improves producability  and gives your work a kick start
  •  Reviews with the HW designer
  •  Large know-how from a wide range of industry customers – e.g. military, windmills and life science
  •  A process that ensures quality, speed and reproducibility

Our PCB layouters will do the work partly or fully at your facilities. And we will gladly use our experience to review your design or PCB layout in terms of functionality, stability, producibility etc.

 

Hardware Development and PCB Layout Tools

  • Cadence Allegro PCB Design CIS L with Performance Option
  • Cadence Allegro Constraint Driven Auto Router
  • Cadence OrCAD PSpice
  • Cadence OrCAD PCB Editor
  • Cadence OrCAD Layout
  • Cadence OrCAD Capture CIS

Mechanical Design Tools

  • Autodesk AutoCAD Mechanical 2005
  • Alibre Design (3D)

Techniques

 

  • Low Noise Switch Mode Power Supply
  • Stacked via, micro via, buried via
  • HDI (High Density Interconnect)
  • EMC design
  • Signal Integrity Analysis
  • DFM (Design for Manufacturability)
  • First-time-right

Prevas has experience with complex designs such as blind/buried/micro vias in

  • High Density Interconnect (HDI)
  • High Density Placement (HDP)

Prevas also has excellent experience in integrating Signal Integrity into the PCB design flow.

Prevas Signal Integrity experts will generate PCB Layer customized stackups, routing constraints and topologies for your specific design needs.

  • Layer Stack Impedance Calculation
  • Differentials Pairs Routing
  • Matched Lengths Routing
  • Bus ringing, bounce and xtalk
  • Impedance, and timing
  • Power Integrity Analysis
  • DDR2, FPGA, USB2, LAN

Component database

 

Prevas component database can handle Orcad and Allegro.

  • IPC – 7351B N - Footprints Nominal Level B
  • Footprint in 3D
  • Component Data Sheet

PCB Manufacturing Specification

  • All Gerber files are with Embedded RS274X apertures
  • STENCIL
  • Pick Place file
  • NC drill data
  • ODB++
  • PCB Layer in PDF
  • Assembly Drawing in PDF
  • 3D Step File
  • PCB 3D in PDF
  • Board Dimension and Layer stack
Prevas PCB layout has experience within the areas needed to produce an innovative PCB:


Nordcad Systems A/S
Vesteraa 15 tel.: +45 96 31 56 90
DK-9000 Aalborg info@nordcad.dk
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