Electronic Product Design 

Circad have been designing the electronics embedded within our customers products for over 20 years. 
 
We are an award winning company based in Suffolk, UK. We supply bespoke electronic design and test services to a wide range of industries across the UK, Europe, Asia and USA. 
 
We are committed to delivering the best designs and building long lasting working relationships that include manufacturing and on-going product support. 
 
Circad is more than just an electronic PCB design company. When off the shelf electronic product designs cannot meet your requirements, Circad can offer a bespoke solution, designed and developed to your specification.  
 
We make embedding electronics into your product easy. From concept through PCB layout design and prototyping to full manufacture and test, we will manage the whole process completely from within our factory. 
pcb design
electronic design

Product Concept 

Discuss your product concept with our team in full confidence, and under an NDA. 
 
Our design engineers will work with you to explore the concept, then produce a development proposal describing the product operation, project milestones and all associated costs and time-scales. 

Discovery 

The discovery stage is used to resolve unknown factors about the product operation before the design stages can start. 
 
For example, we may need to mock up some prototype electronics to measure current draw for battery life calculation. Or we may need to undertake some outline electronic designs to ensure the pcb can fit into the available space. 
 
If a microprocessor is required we use Microchip, Pic's, Stms, ESP32 amongst others depending on customer requirements and what is cost effective and appropriate for the product. 
 
Specific information may be required about regulatory requirements for the type of product. 
 
Circad have significant experience applying applicable industry standards to our designs. Some examples include: 
EN61010 for general safety standards 
EN60601 for medical equipment safety standards 
EN61851 for electric vehicle chargers 
DO160 – airborne equipment 
electronic pcb design
electronic schematic design

Schematic Design 

The electronic schematic design will define the electronic components to used and be a source document for the PCB layout. 
 
Good electronic component choice is critical to product cost, longevity of supply and any specific compliance requirements for the product. 
 
Medical products or products intended for supply to countries like North America will require components with UL (Underwriters Limited) approval. 
 
The electronic schematic design will be developed in Altium DXP and will be clear to read. 

PCB Layout 

The PCB will be designed to fit within a specified enclosure. 
 
We work with our customers using various 3D CAD tools to ensure the PCB layout will fit the enclusure and the product will be easy to manufacture. 
 
There is no requirement for our customers to have any CAD tools, we will supply a 3D PDF showing the finished assembled PCB. 
pcb layout
prototype electronics

Pre-Production Electronic Prototype 

Once the PCB layout is complete we can produce a low volume of pre-production prototype electronics to test performance and develop any firmware or software required. 
 
We manufacture proof of concept PCB prototypes to use for software development and to test the product's functionality. 
 
The electronic prototype development is all based at our factory in Suffolk, UK. 
 
The PCB design and manufacture is all in house: we make this task easy. 

Firmware Development 

Using the pre-production prototype PCB we will develop the firmware for the defined operation, including any FPGA programming required. 
 
A development document will be produced detailing the product testing and early electronic test. The customer will receive a set of PCB’s so they can test the product in parallel. 
 
We use C99 - C90 - ISO 9899 as a standard for C code. 
 
In addition to firmware we may produce PC software, Android applications or simple websites to communicate with the PCB. Typically we use Visual Studio Xamarin. Firmware development will be detailed within our proposal. 
fpga programming
electronic product design and test

Product Compliance Testing 

Once the product is operational we can work with external test houses for EMC CE, UKCA, or FCC compliance and electrical safety testing. 
 
Our engineers have years of experience of electronic product design and test. By taking product designs through compliance testing, we can ensure products can comply with the relevant standards. 
 
Some examples of standards we often assist with: 
EN 55014 – Emissions testing 
IEC 61000 – Immunity and Surge testing 
Class 1, Class 2 and Class 3 SELV – Safety testing 

Post Development Support 

Our team of design and test engineers will continue to assist you with on going product support. 
 
Once in production we can program and functionally test every electronic product we supply to ensure you can focus on selling. 
 
If product operational changes or additional functionality are required, we can rework the electronics or the firmware to support these changes. 
 
If a component goes obsolete we can assist by identifying alternative compatible components or reworking the product to use available components. 
electronic design support
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