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ASHRAF iBRAHIM
Member

Join Date: Feb 2009
Posts: 8

Radio wave electronic circuit

02/28/2009 11:58 PM

Please i need a design for Radio wave electronic circuit Transmiting and receiving data - to apply it with pressure sensore and pc remotely thanks
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WoodwardDL
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Join Date: Dec 2008
Location: Anthem, AZ
Posts: 392
Good Answers: 8
#1

Re: Radio wave electronic circuit

03/02/2009 11:02 AM

I would go with industry standard ZigBee technology:

IEEE 802.15.4 and ZigBee technologies.

Visit Freescale's URL: http://www.freescale.com/files/abstract/misc/ZIGBEE.html

They sell pressure sensors with ZigBee built-in, and PC's can read the results over a wireless transmission.
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Qqberci
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Join Date: May 2007
Location: Budapest, Hungary, HA5YAR
Posts: 617
Good Answers: 14
#2

Re: Radio wave electronic circuit

03/02/2009 12:07 PM

You can use out-of-box products, for example from MOXA

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Sciesis2
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Hobbies - HAM Radio - New Member

Join Date: Oct 2006
Location: Vancouver (not BC) Washington (not DC) US of A
Posts: 1261
Good Answers: 12
#3

Re: Radio wave electronic circuit

03/02/2009 2:07 PM

What sort of distance are we talking? Zigbee or Bluetooth for a few meters...? WiFi for 100 meters? Microwave for several kilometers? Satellite communications for from your location to mine?

What sort of data rate? 4-20 ma source?

We really need more info before we can even begin.

Thank you

Bill
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ASHRAF iBRAHIM
Member

Join Date: Feb 2009
Posts: 8
#4
In reply to #3

Re: Radio wave electronic circuit

03/03/2009 12:39 AM

Many thanks for your inquiry, It's a pleasure to communicate with you to take the best solution ,

This circuit for monotring the pressure and temprature and other analog reading for a petroleum station so

the distanceis not more 10 km , and the device will attached with antenna to transmit the signal to control room then we can take reading and register in database to monotring and tracking

Thanks again for your interest
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Sciesis2
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#5
In reply to #4

Re: Radio wave electronic circuit

03/03/2009 1:10 PM

OK...

Next question is "Where are you?". Alot is going to depend on what country you are in, and what regulations you have to abide with. Also what is the terrain we are talking about? Is it all line of sight? Are there mountains in the way? DO YOU HAVE ONE SENSOR OR MANY?
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Sciesis2
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#6
In reply to #5

Re: Radio wave electronic circuit

03/03/2009 1:28 PM

OK...

Next question is "Where are you?". Alot is going to depend on what country you are in, and what regulations you have to abide with. Also what is the terrain we are talking about? Is it all line of sight? Are there mountains in the way? Do you have one sensor or many to monitor? You may have to get someone locally who is familiar with your national regulations and can see the landscape.

I tend to think a VHF (150 MHz) or UHF (450 MHz) link, but I can't say for sure.

Bill

I had to reboot... so sorry for the duplication.
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Sciesis2
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#7
In reply to #6

Re: Radio wave electronic circuit

03/03/2009 1:40 PM

PS It is NOT a "do it yourself" project.
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ASHRAF iBRAHIM (1); Qqberci (1); Sciesis2 (4); WoodwardDL (1)

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