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FM Transmitter Setttings? Dip Switch

 
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FM Transmitter Setttings? Dip Switch
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somedude99
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Joined: 30 Dec 2007
Posts: 5

Post FM Transmitter Setttings? Dip Switch Reply with quote
Hello, I'm just wondering, I been searching for 2 weeks online now for a dip switch freqency chart to program my FM transmitter. I figured someone might be able to help me here. Its a 120 watt transmitter with a exiter board made by DB Electronica . The Company that made this transmitter does not exist no more but the transmitter istself is not old and in great shape.

The transsmitter freq is programed by 2 sets of dip swtiches of 8 each So a total of 16 swtiches. The freq programmed into it right now is 99.3 and this is the switch patern now: ( DB Electonica board)

10101100 10011011

I cant seem to find a bin patern that would make this = to 99.3 ?

I need to change the fequency to 104.7 FM

If any one would have any info on this it would be great

thanks

Sun Dec 30, 2007 5:55 pm View user's profile Send private message
seven
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Joined: 29 Dec 2007
Posts: 10

uk.gif

Post Reply with quote
Have you got a pic of the board? im not sure if its the one im thinking of
Sun Dec 30, 2007 6:02 pm View user's profile Send private message
somedude99
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Joined: 30 Dec 2007
Posts: 5

Post pic Reply with quote
This is the best i can get


and




Sun Dec 30, 2007 7:10 pm View user's profile Send private message
pcs
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Joined: 18 Jan 2002
Posts: 3063
Location: Radio Land

Post Reply with quote
Change the lowest switch in one of the banks and measure frequency.

Than put it back and do the same for the other bank.

Post results here.

M

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Best regards,
Marko - PCS Electronics
--------------------------------------------------------
Turn your PC into a FM radio station!
http://www.pcs-electronics.com
fax +386 4 2316 128
Mon Dec 31, 2007 10:32 am View user's profile Send private message Visit poster's website
somedude99
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Joined: 30 Dec 2007
Posts: 5

Post Figured out Reply with quote
Ok its been figured out the bin order is reversed and the swtiches are reveresed as well. I put in :


10011000 11101011 = 10470 flipped lol

And got my frequency of 104.7 on first try


thanks
Mon Dec 31, 2007 5:30 pm View user's profile Send private message
pcs
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Joined: 18 Jan 2002
Posts: 3063
Location: Radio Land

Post Reply with quote
Yes, just flipping one switch and measuring result usually tells you
what is going on. Its easy from that point on.

_________________
Best regards,
Marko - PCS Electronics
--------------------------------------------------------
Turn your PC into a FM radio station!
http://www.pcs-electronics.com
fax +386 4 2316 128
Tue Jan 01, 2008 4:42 pm View user's profile Send private message Visit poster's website
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