Power for 200mW transmitters on eBay

[PacMang]

I decided to order one of the 200mW transmitters on eBay today and wanted advice for what to use as the power source for these. I have read some of the stories here where people fry theirs and i wont have time to reorder if i screw up... lol

So any good guides on how to provide power to these?

thanks in advance.

[ukewarrior]

The key is a good, filtered, well regulated 12v source.
Therefore, don't just use any ole wall wart. Typically, these are not regulated unless stated on the packaging.

You also need to be absolutely sure of your polarity. I don't know if those units have a diode in place to block mismatched power connections or not.

Mine has three pins for the power, two grounds and one 12v positive. I cut one of the pins and used a three hole connector that I then put a key block into. I did this in a way that it is now impossible for me to connect the power incorrectly.

If you need a pic, let me know.

[ctmal]

I am running power and sound through a cat 5 cable to my pc. I am sending power down 2 pairs and the audio down 1 pair. I rigged up a connector for the computer end that has an rj45 female connector on 1 end and a computer power connector and phone jack on the other. On the transmitter end I made a similar connector. That way I can just make up a cat 5 cable any length to the transmitter.

[PacMang]

The key is a good, filtered, well regulated 12v source.
Therefore, don't just use any ole wall wart. Typically, these are not regulated unless stated on the packaging.

You also need to be absolutely sure of your polarity. I don't know if those units have a diode in place to block mismatched power connections or not.

Mine has three pins for the power, two grounds and one 12v positive. I cut one of the pins and used a three hole connector that I then put a key block into. I did this in a way that it is now impossible for me to connect the power incorrectly.

If you need a pic, let me know.


a pic would be nice. less likely to mess it up... lol

[dmcole]

I mounted mine in an old SCSI drive, using the power supply that was inside. I used to have a posting here that detailed that installation, but I can't seem to find it any more.

I'm finally getting around to building a web site dedicated to my lights obsession and I guess I'll put together a section there.

\dmc

[ukewarrior]

Okay, Here's my setup:

First you solder some pins on the board:
NOTICE: the power supply connection is three pins.
Two grounds and one +12v.
I CUT the pin off the outermost ground after soldering.
http://i277.photobucket.com/albums/kk78/ukewarrior/Radio001.jpg

You then get a three pin connector and put a plug in the outermost hole to match the pin you cut off:
http://i277.photobucket.com/albums/kk78/ukewarrior/Radio.jpg

Finally, an aerial shot of the two together.

What this does is prevent you from placing your connector on incorrectly.
Very helpful if the power input is not diode protected.

http://i277.photobucket.com/albums/kk78/ukewarrior/Radio002.jpg