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Author Topic: Cheap 10 meter amp  (Read 78763 times)
W9FIB
Member

Posts: 2529




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« Reply #90 on: June 23, 2014, 09:14:04 AM »

Funny how we started with a sweep amp at 600W for 10 M to now a gun amp at 200W for VHF. All with no details, photos, schematics, or even some part numbers, from used TVs, by pulling out the modules and hooking them up to radios, apparently with no mods. And the BS rolls on...and on...and on...

But he is an expert in everything. Just ask him. He will cloud the issue so much you would forget what was asked, and the question was never answered. Just like here, CBs, tesla coils, and a hundred other things, but no details on subject. Classic example of BS.
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73, Stan
Wisdom is knowledge you gain after you know it all.
K8AXW
Member

Posts: 7042




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« Reply #91 on: June 23, 2014, 09:45:27 AM »

FIB:  Very similar to an infamous PA ham who, while very intelligent and knowledgeable, is a PITA because of the BS. 

The best thing to do is ignore!
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A Pessimist is Never Disappointed!
KA5PIU
Member

Posts: 446




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« Reply #92 on: June 23, 2014, 09:57:55 AM »

Hello.

Again, no one said anything about no mods, and it is clear that mods were done to get one on 11 meters.
No schematics? this is a JUNK TV!
And, 600 watts of sweep from this set, and 25 watts VHF.
(If I were to find the largest set, yes, I am guessing 200 watts on the gun amps and thousands of watts on the sweep circuit.
Schematics were provided for an SVGA monitor and the formula for taking diagonal measure inches and converting it to square inches and the formula for figuring the amount of power required.
Like it or not, there ARE CB types involved.
And, taking large computer monitor modules and making 11 meter amplifiers out of them are indeed on the web, some hams here referred to it!
My point was that it can do more than just 11 meters.
This was not my design, and I have stated so several times.
The only thing I might have done new is suggest that this be used on 10 meters.
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W9FIB
Member

Posts: 2529




Ignore
« Reply #93 on: June 23, 2014, 01:47:26 PM »

FIB:  Very similar to an infamous PA ham who, while very intelligent and knowledgeable, is a PITA because of the BS. 

The best thing to do is ignore!

Yea your probably right. You just can't fight stupidity with knowledge. And I refuse to lower my mental capabilities any further so this idiot understands.

He is so full of s--- that he cant even keep track of what he writes. Like someone said, a train wreck that never ends. For the first time, I am actually going to put someone on ignore. He won't learn, and he shares nothing of value...unless you like BS and dribble.
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73, Stan
Wisdom is knowledge you gain after you know it all.
KA5PIU
Member

Posts: 446




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« Reply #94 on: June 23, 2014, 06:22:46 PM »

Hello.

There is a nifty article on CB tricks, except they call it a "One Gallon Amp for almost free!"
Yes, they take the basic design of this, and push it to nearly 1000 watts.
But, schematics? there you will find them!
I looked at what I had, and asked myself, can this thing work 10 meters.
I did not design it, I simply followed the design myself.
At that point I was aware that it was the intent to drive it for maximum "swing".
So, I backed off the drive, way off!
And, of course, no 11 meters.
Several people got this CB amplifier mentality, and, yes, that is where the entire idea came from.
But, that is not my intent.
So, you, as others have already done, can look at the CB version, it is all on the web.
And, it was only after reading this that I decided to even consider this idea.
Larger Computer monitors require larger power in video as well, and 25 watts is the output I can get from the gun driver assembly of this set, that is per channel.
But, a 46 inch Monitor should be good for around 200 watts on the gun drivers, theory.
With that said, I am done with this.
Now, the question is a very simple one.
A CB group can take a junk TV, and convert the parts to an amplifier, clearly with little help.
Why do hams have so much trouble?
Remember, I did NOT come up with this, some CB guy did!
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K8AXW
Member

Posts: 7042




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« Reply #95 on: June 23, 2014, 08:28:59 PM »

FIB:  Please tell me about this "ignore" option.
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A Pessimist is Never Disappointed!
WA7PRC
Member

Posts: 2331


WWW

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« Reply #96 on: June 23, 2014, 08:58:17 PM »

FIB:  Please tell me about this "ignore" option.
It's on the left side, below the callsign:


vy 73,
Bryan WA7PRC
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K8AXW
Member

Posts: 7042




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« Reply #97 on: June 23, 2014, 09:04:50 PM »

TY.  It's one of those things that I've failed to see!! 
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A Pessimist is Never Disappointed!
W1JKA
Member

Posts: 2099




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« Reply #98 on: June 24, 2014, 03:08:36 AM »

Re: K8AXW  reply #97

 Wait a bit and PIU will recommend an amplifier design for your eye glasses. Talk about amplified Ham Radio BS, has anyone had direct experience with the Texas Topper 5 watt QRP amp from QRPME.com which is based on old empty tuna fish can technology?
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G3RZP
Member

Posts: 1315




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« Reply #99 on: June 24, 2014, 05:52:23 AM »

>which is based on old empty tuna fish can technology?<

Somebody has to say it - sounds a bit fishy!
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KA5PIU
Member

Posts: 446




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« Reply #100 on: June 24, 2014, 07:43:17 AM »

Hello.

CRT themed transistors are discontinued as CRT's themselves are discontinued.
The rest?
At this point, who really cares? Tongue
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K8AXW
Member

Posts: 7042




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« Reply #101 on: June 24, 2014, 08:07:01 AM »

 Grin  The IGNORE thingy on the left works great!! 
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A Pessimist is Never Disappointed!
N4TTS
Member

Posts: 253




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« Reply #102 on: June 24, 2014, 09:22:03 AM »

Grin  The IGNORE thingy on the left works great!! 

Sure does. I have purged myself of the drivel master. It's nice to have good ol' eHam back the way it should be.

Don N4TTS
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K6AER
Member

Posts: 5743




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« Reply #103 on: June 24, 2014, 09:36:11 AM »

I have not seen any postings from W8JI lately. Is he OK?
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KI6LZ
Member

Posts: 738




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« Reply #104 on: June 24, 2014, 10:54:24 AM »

Last post he said it was time for drag racing season and time to look around for some additional work.
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