Changing from AC to DC and from DC to AC

Cerrado Publicado Jul 23, 2012 Pagado a la entrega
Cerrado Pagado a la entrega

The sound card cannot output or record dc voltages. Since we are using it as a data acquisition card, this may be necessary in some applications. It is required to design and build electronic circuits that extend the sound card’s capability to dc. On the input, you are to enable the sound card to handle inputs and outputs between −V and V dc. The output must be able to drive a load of 10ohm. Issues to consider are the simplicity of the solution, the accuracy of the system. Additionally, for the output you should pay attention to the power efficiency, and for the input to the purity of the signal (that is the level of distortion).

Basic idea: use 555 timer, amplitude modulator and amplifier. Output of amplifier will be input of sound card. Take output of the soundcard (AC) to Peak Detector, amplifier/scaler, adder, power amplifier and then to load.

Ingeniería eléctrica Electrónica

Nº del proyecto: #2345144

Sobre el proyecto

5 propuestas Proyecto remoto Activo Aug 29, 2012

5 freelancers están ofertando un promedio de $276 por este trabajo

MikroStar

hi, i can help.

$450 USD en 30 días
(53 comentarios)
6.9
deanosAU

Hi, I can do this for you. I have over ten years designing analog and audio devices.

$350 USD en 21 días
(21 comentarios)
5.7
jedversion

i can do that..

$150 USD en 10 días
(1 comentario)
0.9
RBlagoev

Hello. I'm an automation engineer with more than 33 years of practice. We are using more chip, effective and accuracy methods than described in your announce for DC/AC and AC/DC conversions. I can use them in your pro Más

$250 USD en 7 días
(0 comentarios)
0.0
kamranayub1100

electrical engr here to provide solution

$180 USD en 3 días
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