Jedi MTVA PA

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kb9rre
Posts: 367
Joined: Thu Aug 22, 2002 4:28 pm

Jedi MTVA PA

Post by kb9rre »

I replaced the pa on the controller ntn 1324a because it was bad. the new on only worked for a little while and that one quit working, anyone have idea what could cause this?
No greater love than this, that a man lays down his life for a friend.
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spectragod
Posts: 2029
Joined: Sun Dec 30, 2001 4:00 pm
What radios do you own?: FPP 6 meter XTL 5K's

Re: Jedi MTVA PA

Post by spectragod »

More info would be needed to determine the cause. Does the unit have an actual PA, or are you just refering to the charging unit? Some had PA's, some didn't. Then, some of the symptoms would be helpful in determining a cause of death. What band is the amp, what band are the radio and antenna(on the roof)? Did you check refleced power on the antenna etc., etc., etc.... you get the idea.

SG
Kilgore: Smell that? You smell that?
Lance: What?
Kilgore: Napalm, son. Nothing in the world smells like that.
Kilgore: I love the smell of napalm in the morning. You know, one time we had a hill bombed, for 12 hours. When it was all over, I walked up. We didn't find one of 'em, not one stinkin' dink body. The smell, you know that gasoline smell, the whole hill. Smelled like... victory. Someday this war's gonna end...

____________
Revelation 6:8
Satelite
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Joined: Sat Aug 12, 2006 10:43 am

Re: Jedi MTVA PA

Post by Satelite »

Hello :
Hopfully i wont add a lot of confusion on this.
Kb9rre originaly asked me about this in an email and i was sorta confused a bit also.
Kb9rre = Please corect me on anything thats not right with the set up you tried for clarification.
But if i got it right - heres what i believe he did.
He has a MTVA that the pa is defective.
It aparently has conections on it that allow a Maxtrac or GM300 pa to be added.
I think but NOT certain = That it was a maxtrac 25 watt pa in the 438 to 470 split - Again im not certain that it was .
Aparently he hooked it up and it didnt work for long.
My qestion im wondering - Can you tx 4 watts from the MTVA setup into a maxtrac pa as the exciter and be ok or is the 4 watts too much to start with ?
What is the exciter wattage on a 25 watt maxtrac from the rf bd to the pa ?
Thank you
Satelite
Last edited by Satelite on Wed Jun 25, 2008 3:32 pm, edited 2 times in total.
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kb9rre
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Re: Jedi MTVA PA

Post by kb9rre »

Satelite it is kb9rre not kb9ree
No greater love than this, that a man lays down his life for a friend.
Satelite
Posts: 672
Joined: Sat Aug 12, 2006 10:43 am

Re: Jedi MTVA PA

Post by Satelite »

Ooops :
I edited the call sign to make it corect.
Sorry about that.
Satelite
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spectragod
Posts: 2029
Joined: Sun Dec 30, 2001 4:00 pm
What radios do you own?: FPP 6 meter XTL 5K's

Re: Jedi MTVA PA

Post by spectragod »

Ok the easiest way to figure out what you have is...... does the unit have a RF in and a RF out, and, are there 2 power connectors on the unit? Let's start there, and figure out what you have.

SG
Kilgore: Smell that? You smell that?
Lance: What?
Kilgore: Napalm, son. Nothing in the world smells like that.
Kilgore: I love the smell of napalm in the morning. You know, one time we had a hill bombed, for 12 hours. When it was all over, I walked up. We didn't find one of 'em, not one stinkin' dink body. The smell, you know that gasoline smell, the whole hill. Smelled like... victory. Someday this war's gonna end...

____________
Revelation 6:8
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kb9rre
Posts: 367
Joined: Thu Aug 22, 2002 4:28 pm

Re: Jedi MTVA PA

Post by kb9rre »

yes it does. it is uhf ok. antenna is fine. i have been using the ht with out the amp. the ntn3322a unit. i added this ntn3324a later
No greater love than this, that a man lays down his life for a friend.
Lake Effect
Posts: 311
Joined: Tue Dec 06, 2005 9:47 am

Re: Jedi MTVA PA

Post by Lake Effect »

Satelite wrote:What is the exciter wattage on a 25 watt maxtrac from the rf bd to the pa ?
The exciter schematic says +16 DBM 50 Ohms.

L.E.
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