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Subject: WTB-FM Transmitter / Info / Suggestion / Help

Date: 11/26/00 at 11:38 PM
Posted by: Vlad
E-mail: leeassoc@hotmail.com
Message Posted:


Anyone have info suggestion on building getting start to build fm transmitter highly appreciated.

I will do my best to return favor.


---------->other post<-----------


I will try to keep it brief but you might be the one that can guide me in
the rigth direction.

I am not sure where I was suppose to post this but this forum came the
closest and someone recommended the site.

I currently sell FM transmitters (resale) @ enigmanetworks.com and they are
from .5-5w Stereo Transmitters.

Easy to say, buy and resale. I have no clue on how to design one but for
the past week or so I have done research, on the net and tried some at a
book store.

I have circuit board layout all the part I need and the next thing on my
list is a 'solder gun'

I have a 1w FM Stereo Transmitter and only goes one block where it should go
at least 1 mile.

I found this on the internet:
Design 40W broadband VHF RF Power Amplifier - FM broadcast
http://www.irational.org/sic/radio/40w-no-tune-amp.html

I figured I can plug the 1w into the above design and broadcast for at least
1-2 miles. But I think 40w is too much and would like a way to tune it
lower or high to 40w.

Here at: http://www.irational.org/sic/radio/ can show you how to build dip
pole antennas, radios and etc.

Like I said I buy FM Trans from Veronica Currently.
http://www.veronica.co.uk/ but I hate waiting 2-3 weeks to have it shipped
and I don't have money to buy 20 at a time and they get new ones.

I don't even sell them anymore and did not have time to update our site
(www.enigmanetworks.com). We are sticking with Design/Print as of now.

At home though I would like to broadcast still. I am sick of broadcast
ONLINE via SCOUR or SHOUTCAST or REALPlayer via the internet. People come
and go.

In my area (California) where I live LA area we do not have any station
local that plays any cool tunes and by the FCC reules now you can get approv
for 1-2 watt station.

-- I am not an engineering but I might get into it because it is ....
amazing what I have read and what u can do.

Where can I get the circuit board the green board, the parts I might get
from RADIO SHACK if you have other places please let me know... I can
easilly walk into RS and ask give me all these but the harder part is
soldering the parts into the green board. As I see in the schematic here:
"http://www.irational.org/sic/radio/40w-no-tune-amp.html#Schematic"

Should work after 1st or 2nd try. Trying to design it...
But that's the amph. What about the FM Transm. itself being 5-10 watts
itself.

I could take this 1w that I have already:
http://www.veronica.co.uk/1wskit.htm
check and see if I can upgrade it to a 5w myself.

Or I can buy this... 5W already done..:
http://www.veronica.co.uk/5wskit.htm

Or can easily buy the 10W amp for my 1w fm stereo:
http://www.veronica.co.uk/10wpa.htm

I would like to start somewhere but this would be a really cool project for
me....


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