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PCB Layout From the early days back in 1984, to today, we have
chosen CAD systems that allow our designers to design and not be restricted
by obsolete software
as new technologies have developed. Circuit size or complexity are no problem to us, we regularly design large dense cards, some with over 30,000 component pins. We have laid out cards with numerous MicroBGA’s and large BGA’s with over 1600 pins. Our designs have included a multitude of design constraints, including: matched lengths, matched Impedances, differential pairs, high speed routing with bus speeds of 1GHz, microvias, blindvias, Isolation barriers, high current, analogue areas, video signals and also RF design up to 3GHz. Because of the growing constraints now placed on designs, we NEVER use auto-routing software, all our boards are 100% manual routed by our experienced designers.
Schematic Layout We can help with either symbol generation, whole library creation or laying out a complete project of schematic sheets based on engineering hand sketches or in another format such as PDF's. While working on CAE files, as well as symbol details we can embed useful information into the schematics to make design interfaces flow smoother such as footprint and BOM details. The schematic data, is the "master", all other data used during the design process is generated from this. Therefore as long as the schematic is correct, all the other data will be correct including the PCB design and BOM's. . This process is called "end to end design" and is the policy we adopt. |
Reverse Engineering We have extensive experience in legal reverse engineering of CAD designs or printed circuit boards. This enables you to replace either lost/ damaged filmwork or convert data from other CAD systems to any of our systems. This can be done with both schematics and pcb's. We can work from hard copies, HPGL files, CAD data from other systems, or even a bare printed circuit board. We can also created schematics from netlist and component datasheets. This includes full design and manufacturing data including gerbers, pick & place files, BOM's, assembly and drill drawings.
Project Management As stated in our quality
statement we are registered for the Design and supply of Printed Circuit
Services. We offer a one stop shop to clients when required. We can take a
design from conception through to delivery of tested product. As well as our in house
schematic and PCB layout we offer:
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Library creation Some of our clients find that using their engineering personnel to create schematic symbols and PCB footprints is a miss use of their talents and resources which are better employed designing circuits. For the last two years we have been operating a library creation and maintenance service for our clients. The importance of creating and maintaining a library cannot be overstated, engineering staff then have access to a resource that is current and controlled, this eliminates problems associated with locally generated data. By using data and pdf's obtained from the component manufacturer we create the schematic symbols and PCB footprints, and in the case of our Mentor and CR5000 clients, the parts database entry. The library work can be done to either the clients own specification, or in the case of PCB footprints, the clients preferred assembly house specification, or to the IPC standard. We then pass the up-dated library back for use by the engineers, usually within 24 to 48 hours.
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Onsite Sometimes designs are too complex to send outside the company, there are many reasons for this. The designs could require extra care during placement or tracking due to the nature of the circuit. This could be RF considerations, clock tracking, isolation areas or sensitive analog components. We understand this and that is why we can offer a system and pcb designer to work along side your engineer at your site. This will enable your engineer who understands the problems of your particular design to work with one of our pcb designers who knows the relevant cad software inside out and the best way to achieve the required results. By utilising our pcb designer with his own system, you will increases the CAD capability for your design or project without the need to go out and purchase an extra computer, CAD software or an extra license and trying to find an experienced pcb designer to use it.
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