Digital Electronics using PSPICE

Problem 1: Design a 8bit Digital To Analog converter. The full scale analog voltage is 10V and the minimun voltage is 0V. The frequency at which input digital word changes is 8Khz. The output should have at least a second order low pass filter. Show calculations in a piece of paper as well as the PSPICE simulation. If possible use an 8bit counter to provide inputs to your D/A converter Problem 2: Design a PWM system with the sawtooth carrier waveform Vc going between 0 to 6 V at 1Khz and the emul;ate4d heart beat signal given by Vs= [url removed, login to view] volts. Generate the PWM waveform to be transmitted on telephone lines from the patient to the doctor's office serially. Recover Vs signal at the receiving end using at least a second order low pass filter. Show desing and simulated results using PSPICE.

## Deliverables

1) Complete and fully-functional working program(s) in executable form as well as complete source code of all work done.

2) Deliverables must be in ready-to-run condition, as follows (depending on the nature of the deliverables):

a) For web sites or other server-side deliverables intended to only ever exist in one place in the Buyer's environment--Deliverables must be installed by the Seller in ready-to-run condition in the Buyer's environment.

b) For all others including desktop software or software the buyer intends to distribute: A software installation package that will install the software in ready-to-run condition on the platform(s) specified in this bid request.

3) All deliverables will be considered "work made for hire" under U.S. Copyright law. Buyer will receive exclusive and complete copyrights to all work purchased. (No GPL, GNU, 3rd party components, etc. unless all copyright ramifications are explained AND AGREED TO by the buyer on the site per the coder's Seller Legal Agreement).

All the work has to be submitted with the proper calcualtions by hand and paper in a clear fashion.

## Platform

Windows XP

Compétences : Electronique, Ingénierie, MySQL, PHP, Architecture Logicielle, Tests de Logiciels

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Concernant l'employeur :
( 8 commentaires ) United States

Nº du projet : #3772009