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Reply | Forward Message #5384 of 6138 |
Re: [LPFM] Power Supply

Johnno
The transmitter will only draw the 1 to 2 amps that it needs and should be fine with that power supply. Best results are obtained when using a good filtered and regulated power supply




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Thu Jun 7, 2007 12:42 pm

spokwa467
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Message #5384 of 6138 |
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Hello, I am after some information on power supply's. I have a the TX that requires a 12 - 15v @ 1 - 2 amps, want would be happen in a connected a 13.8v @ 8.5...
Johnno
j_larsen2006
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Jun 7, 2007
12:30 pm

... No problem there. The amp rating is the supposed maximum current it can supply. Drawing 1-2 amps from it, it should run nice and cool. The thing to watch...
DaveD
marday2
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Jun 7, 2007
12:51 pm

Johnno The transmitter will only draw the 1 to 2 amps that it needs and should be fine with that power supply. Best results are obtained when using a good ...
spokwa467@...
spokwa467
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Jun 7, 2007
12:51 pm

Was that second comment really necessary?...
Michael Rowse
valdusradio
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Jun 7, 2007
5:06 pm

Many thanks for that.. I was unsure as the infomation that can with the Tx required this & that... I have set the TX to 500 mw as per LPFM rules.. I just...
Johnno
j_larsen2006
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Jun 8, 2007
2:37 am

I concure if the transmitter needs 12v DC and you have a power supply that supplys 13.8 v..that is more than OK, as the components of most transmitters will go...
Graham J Barclay
kiwi-radio
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Jun 8, 2007
2:45 am

Ross was only giving a example after I asked a question about power supply's and being new to LPFM. A list member had a go saying I should have know this and...
Johnno
j_larsen2006
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Jun 9, 2007
5:46 am

... I didn't make a statement - I asked a question. Here is a statement- It's more like saying if you haven't learnt how to drive you'd better learn how to...
Michael Hallager
lpfm-list@...
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Jun 9, 2007
6:06 am

No. Current rating is maximum current available. Circuit will only use what it needs. The obvious questions are: 1. What sort of RF power are you trying to put...
Michael Hallager
lpfm-list@...
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Jun 7, 2007
1:07 pm

Running an LPFM station does not require a knowledge of voltage, amps and watts. A housewife can operate a washing machine quite competently without knowing ...
Ross Levis
rosslevis
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Jun 8, 2007
12:57 am

... It should require a basic understanding of radio. Otherwise we get a percentage of people coming on air with problematic signals. Michael ZFM...
Michael Hallager
lpfm-list@...
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Jun 8, 2007
1:12 am

She might be able to operate it but she didn't design it or assemble it and she certainly didn't know how to test it to make sure it was going to operate...
wireless.radio
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Jun 8, 2007
9:11 am

Ross! Please clarify what you meant when you suggested "A housewife can operate a washing machine quite competently without knowing anything about the power...
Richard Phelps
customcuts_nz
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Jun 9, 2007
4:46 am

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