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Build a simple circuit and send it to my postal address
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Engineering & Manufacturing > Product Design

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The client has made the following changes to the job.


Bidding period ended early.

Aug 24, 2012

Job Description

  |  Change History >>


  • Posted: Fri, Aug 24, 2012
  • Time Left: Closed
  • Location: Anywhere
  • Client prefers freelancers from:

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    a different location.

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  • Start: Immediately
  • Budget: $23 - $182
  • Fixed Price Job
  • Elance Escrow Protection
  • W9 Not Required
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I have a circuit plan made by another freelancer.

The circuit uses an input signal of from 34VDC to 38VDC (with 4 9V batteries, each battery can have a tension from 8.5V to 9.5V).
The circuit produces an output signal of approximately 36VDC, with a frequency of 1000Hz, square wave, 50% duty cycle, a variable intensity which can be modified with a 1kOhms potentiometer.

I need your help to check if the circuit will produce the correct output signal with this input signal, then to build the circuit and send it to my postal address.

The device has to produce an output signal that look like this :
See the attached image "Output-signal-example.jpg"

I will provide the circuit plan so that you can study it and improve it if necessary.

The steps of this project are :
1->Help me to improve the circuit plan so that it produces the output signal i want.

2->Build the circuit and send it to my postal address (in France), i will add a milestone with money to cover the fees for ...

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Job ID: 32976897
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