PCB Layouts + MUX Design

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Experience Level: Intermediate
Dear Dominic,

I’ve read your profile on ‘People Per Hour’ with interest and am making contact today to scope out whether your services could be useful to us. I am a researcher at the Imperial College London, Non-Destructive Evaluation group. We are currently working on a ‘beta’ prototype of a measurement system that in the first instance will be produced in a 50-off batch and in time the production version will be built in larger quantities. We feel the addition of this project to our existing, full-time designer will be too much of a burden and so are just wondering whether it is a good option to put certain tasks out to someone such as yourself.

At this stage I see that there will be three main tasks.

The key performance limiting stage in this system is the signal shaping, amplification board which we have made significant progress on in our ‘alpha’ version and our specialist Professor is currently working on the updated schematic and key component spec. We would then need yourself to design a layout (with associated Eagle and Gerber files probably BOM if there are any non-key components) so that we can produce a prototype for lab testing and then put out to manufacture.

There is also a second analogue board that we would also have the schematic for but we would require the layout and associated production files.

The third task additionally requires design work. Given a relay (that we would specify) we also need a multiplexer board designed and made ready for prototyping, testing and production.

Does this sound like something that would suit yourself? It is a difficult question to pose but would you feel confident in embarking on such a task. Of key importance is naturally quality and professional, compact, ‘right-first-time’ designs (–as well as a reasonably accurate quote once we get you the specs). At times there may be tight deadlines. My colleagues are experts in their fields and have been left dissatisfied in similar ventures in the past so they may take a little convincing – do you have a portfolio or example work that might help?

Logistically we are pretty flexible.

I hope to put forward the suggestion of working with someone such as yourself during the next week.

Regards, Joe

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