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upgrading my system

 
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upgrading my system
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radio junky
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Joined: 09 Jun 2010
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Post upgrading my system Reply with quote
I would like to increase the output power of my 25 watt transmitter. In order to increase the internal amplifier wattage wouldn't i just install an attenuator with the bigger amp and keep the RF power below the max range of the attenuator?

Although new to radio i can build computers so i am technical inclined. So if i am on the wrong path some one please give me some details as to how i can do this. Buying an 300 watt external amp is simply overkill for what i am trying to do. If i can just upgrade my internal to around 80 to 100 watts i would be fine.


Thanks, Radio Junky
Wed Jun 09, 2010 1:01 am View user's profile Send private message
pcs
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Joined: 18 Jan 2002
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Post Reply with quote
I always recommend a small 1-3dB atenuator, but you should also reduce power of your exciter to about 5W depending on pallet that you are using.

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Thu Jun 10, 2010 2:08 am View user's profile Send private message Visit poster's website
radio junky
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Joined: 09 Jun 2010
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Post Reply with quote
I would be reducing the exciter power from my lcd screen via the RF power right? If you can point me in the direction of a few amp choices i can order the best suited one along with the attenuator today.


Thanks,

Radio Junky
Thu Jun 10, 2010 3:56 am View user's profile Send private message
stylzmovement
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Joined: 11 Oct 2003
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Post Re: upgrading my system Reply with quote
radio junky wrote:
I would like to increase the output power of my 25 watt transmitter. In order to increase the internal amplifier wattage wouldn't i just install an attenuator with the bigger amp and keep the RF power below the max range of the attenuator?

Although new to radio i can build computers so i am technical inclined. So if i am on the wrong path some one please give me some details as to how i can do this. Buying an 300 watt external amp is simply overkill for what i am trying to do. If i can just upgrade my internal to around 80 to 100 watts i would be fine.


Thanks, Radio Junky


what is the size of the current enclosure?
do you have room to add more power , with more power you will also need to add a heat-sink and a larger power supply also a low pass filter.
A simple solution is to purchase the PCS 150 watts transmitter[url]
http://www.pcs-electronics.com/150w-digital-amplifier-19inch-rack-p-664.html[url][/url]
Wed Jun 16, 2010 9:47 am View user's profile Send private message
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