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Old 21st September 2007, 02:54 PM   #1
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Default some help with rf wireless 2.4ghz

hi there wonder if anyone can help i know how two build my own basic speaker like a lot of u but i want to start a project in my home and on here for other members.
im really interested in making my speakers wireless with built in amplifier. this maybe my biggest ever challange yet 2 me so if someone can point me in the right dirrection or know of any site plans please answer this thread.
thanks for your time.
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Old 21st September 2007, 09:12 PM   #2
Netlist is offline Netlist  Belgium
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I must have a schematic of a Grundig wireless system somewhere. I'll have a look and will keep in touch.

/Hugo
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Old 21st September 2007, 11:01 PM   #3
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yeah sure thing netlist no problem i hope this realy works out i can never find speakers to my speck if i do there in the $2000/$4000 region when somethin could be so simple.
ive been looking at some books on waterstone.com but they dont really say if it covers rf wirelesss.
but yes keep in touch
thanks for your time
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Old 26th September 2007, 03:52 PM   #4
Netlist is offline Netlist  Belgium
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I found the manual of the RCD2000 which works in conjunction with the Apollo2000 speaker system.
It is however not a 2.4Ghz system but operates at 864Mhz.
If you are still interested, I can scan both manuals or only the RF part as a starter.

/Hugo
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Old 27th September 2007, 07:52 AM   #5
OzMikeH is offline OzMikeH  Australia
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Building your own 2.4GHz radios is not for the faint hearted.
If you can get pre-built radio modules use those.

At that frequency even the type of PCB material used needs to be considered as part of the circuit.
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Old 28th September 2007, 10:32 AM   #6
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plus there's heaps of interference on that band - WiFi , cordless phones , microwave ovens - you name it.
Try 900Mhz instead.
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Old 2nd October 2007, 08:23 PM   #7
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hi netlist and everyone who had coments i dont think i need manual now as i bought a cheap wireless audio sender 15 euros vivanco model and a speaker with built in amp and volume controll and my theory worked i didnt know u could by these wireless transmitters seperatly.
so my plan is now is to build a good speaker and take the reciever appart and place inside of a speaker that im going to make.
but what i have to do is now is decide what watts my speakers are going to be and what be at amp to use and also i think there has to be two power suplies riged up together but seems difficalt at the momement as the reciver model is 9v and im sure the amp will run on something different. and this has proven to me i realy dont know much about this lol. any way i will look on this site for more info i think i might understsand but if any one knows any links to info on what sort of amps needed to power sertain watts it would be appreciated .
thanks people
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Old 9th October 2007, 05:02 PM   #8
tubee is offline tubee  Netherlands
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I would stick to the 850Mhz, 2.4 Mhz goes towards the frequeny of a microwave....... Not healthy if you ask me. I discarded a dect telephone too.
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