Electronics > Projects, Designs, and Technical Stuff

quote for a job

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m3vuv:
hi all,ive a schematic i need converting to a pcb layout for a job,i need the gerber files ready to send to have a boarrd made,can ppl who are interested give me a quote,can pay thru paypal,find attached schematic.,cheers m3vuv.

Ysjoelfir:
There are many informations missing to make a quote. Also, the schematic is a bit... odd. there are many open connections going to nowhere, what is that supposed to be?
Please provide as many informations as possible.

strawberry:
you could change CD4047 with PWM chip with built in soft start and inhibit and gate drive functions

sokoloff:

--- Quote from: Ysjoelfir on June 24, 2019, 10:24:59 am ---There are many informations missing to make a quote. Also, the schematic is a bit... odd. there are many open connections going to nowhere, what is that supposed to be?
Please provide as many informations as possible.

--- End quote ---
Maybe some more context here:
https://www.gotopcs.net/charger.htm

It seems like this is a "I have someone else's circuit that I want built" (which is totally fine; that's why the original guy presumably published it, but it does mean that you won't be able to easily get questions answered like "what the hell does this mean?!")

I predict aggravations on both the buyer and designer side in this transaction, unfortunately.

m3vuv:
Its for a control unit for a british rail railway carriage,the dynamo and field coil are on the vehicle.hope that helps.

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