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Old 20th August 2012, 01:28 PM   #561
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Talking Radio Stations and 12V power supply for DIY amplifiers

well in Quebradillas Puerto Rico there are not many radio stations, only 3 a bit far away but the tip of using diode is cool! Hey yesterday I was checking on eBay and you know electronic components and stuff, I saw this that catch my attention: 12V power supply that supply variable voltage up to +60 0 -60 for DIY amplifiers I said what! check this out images. you imaging having Dx Blame ST in a car? crazy lol je je je je je don't worry is just ideas lol.

1000W Switching boost Power Supply board

PCB size:160mm*152mm

Input voltage: DC9-16V
Output voltage:±48V——±60V Adjustable (at 12V input voltage)




Regards
Juan
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Last edited by vargasmongo3435; 20th August 2012 at 01:35 PM.
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Old 20th August 2012, 03:51 PM   #562
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Talking I just got from mail 500 ohms trim pots

just that XD ! poing! I'm going to sleep Zzzzzzzzzzzzzzzzzz...

Regards
vargasmongo3435
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Old 20th August 2012, 10:21 PM   #563
evette is offline evette  Canada
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Hello Sir, I,m not so sure that using those diodes in place of the resistors is such a great Idea. If the fuse should blow this will place one rail of your supply on the output. I know dcv don,t sound so good. Evette
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Old 20th August 2012, 10:35 PM   #564
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that is a suggestion from Carlos I still going to use the 33R resistors but I'm writing all tips from him and this forum all info from you guys has a lot of value for me.

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vargasmongo3435
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Old 21st August 2012, 08:08 AM   #565
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Default Uops!..... Joe is right!

Do not install resistors.... the way Joseph said, if fuse blows we gonna have supply rail in the output.

Sorry, my mistake.

Thanks Evette.

regards,

Carlos
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Old 21st August 2012, 11:12 AM   #566
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Question 33R 2W will still as the original schematic

O_o uhm? I'm scare now je je je je ok got it! is all good..... hey wait! about the resistors... do you mean don't install those diodes in place of the 33 ohms 2W resistors isn't that correct? ay mama mia! " Mario " je je je je

Regards
Juan
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Old 21st August 2012, 11:27 AM   #567
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Default Yes...put resistors back in place.... 33 ohms and 2 watts

Sorry man.

ahahahaha!...mama mia was nice...my grandmother came from Firenze - Italy

regards,

Carlos
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Old 21st August 2012, 09:04 PM   #568
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Hello Mr. Carlos How are you doing Has your wife spend all your money yet. LOL Evette
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Old 21st August 2012, 10:14 PM   #569
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Default Yep, she did...she gonna spend hours in the customs when arriving tomorrow

Luggage is filled till the top with creams for skin, paint for hair, hair dryer, styling mousse and a lot of gadgets.

Three of them are travelling.... cousines, almost sisters... one has dark brown hairs, my wife has dark hairs (Black) and a blond one is the third.

Try my facebook Joe! ... type Carlos Eugênio Mergulhão...i do think you will not need these signs... Eugenio and Mergulhao may fit.

They are in Boston, and this name sounds alike pooh in Portuguese.... this is the way i feel, alike swimming in a Boston pool so lonely i am.

The abandoned dog is the way i feel....hehehehe.

picture is "3 witches of Eastwick".. a good movie.

regards,

Carlos
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Old 21st August 2012, 10:48 PM   #570
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Mr.Carlos sir, I know just how you feel. My little Evette is in Domican Repulic and I really miss her so much,,So I feel sad and depressed without her..I,m sure you feel the same way when your kids came to the states. You have a great family love and enjoy them as much as you can. NOW GET BACK TO WORK AND DESIGN MORE AMPLIFERS. LOL Evette
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