Re: [Repeater-Builder] Falcon Communications MOSFET Power Amp

2005-03-20 Thread Micheal Salem N5MS


Eric:

I remember Falcon Ads for these amps I think in both QST and 73 
Magazine.  There might
have even been an article on them in 73 Magazine.

There was a announcement of one of their amplifiers in the July issue of 
1984 issue of ham
radio.  There was also an ad on page 24 of that same issue.

I don't remember much about them, but I remember having a favorable 
impression about them. 
Not that helpful, but I can send you copies of the pages that I mentioned. 

Regards,

Micheal Salem  N5MS


Eric Lemmon wrote:

I have a 220 MHz rackmount power amp on the bench.  The label states it
was made by Falcon Communications of Newport Beach CA, and it is a
MOSFET RF Power Amp, Model 4112A(?).  The model number is smudged, so I
can't be certain of it.

The main PC board has two F1260 silicon VDMOS transistors working in
parallel.  These transistors are rated at 60 watts each, but I'm getting
only 22 watts out with 5 watts input.  There is a second PC board that
controls the fan, but otherwise this is a single stage PA.

I'd appreciate hearing from anyone who has knowledge of and/or tech data
on this amplifier.  Thanks!

73, Eric Lemmon WB6FLY






 
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Re: [Repeater-Builder] Falcon Communications MOSFET Power Amp

2005-03-20 Thread Doug

At 08:39 AM 3/20/2005, you wrote:


Eric:

I remember Falcon Ads for these amps I think in both QST and 73
Magazine.  There might
have even been an article on them in 73 Magazine.

There was a announcement of one of their amplifiers in the July issue of
1984 issue of ham
radio.  There was also an ad on page 24 of that same issue.

I don't remember much about them, but I remember having a favorable
impression about them.
Not that helpful, but I can send you copies of the pages that I mentioned.

Regards,

Micheal Salem  N5MS


Eric Lemmon wrote:
--
We have had a vhf model on our repeater for a few years. When new, it had to
be returned due to instability. We have also never been able to get 100 watts
out of it. The most is 70watts and the fets did not last.  The fets may not be
  available now. They were hard to find and very very expensive. I would not
recommend that amp. I have used a micor and it is much better.

Cheers

Doug VE5DA






 
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Re: [Repeater-Builder] Falcon Communications MOSFET Power Amp

2005-03-20 Thread Eric Lemmon

Micheal,

Thanks for the offer, and I accept.  Please contact me offline at
[EMAIL PROTECTED]

73, Eric Lemmon WB6FLY

Micheal Salem N5MS wrote:

 Eric:

 ... There was a announcement of one of their amplifiers in the July issue of
 1984 issue of ham radio.  There was also an ad on page 24 of that same
 issueI can send you copies of the pages that I mentioned.






 
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[Repeater-Builder] Falcon Communications MOSFET Power Amp

2005-03-19 Thread Eric Lemmon

I have a 220 MHz rackmount power amp on the bench.  The label states it
was made by Falcon Communications of Newport Beach CA, and it is a
MOSFET RF Power Amp, Model 4112A(?).  The model number is smudged, so I
can't be certain of it.

The main PC board has two F1260 silicon VDMOS transistors working in
parallel.  These transistors are rated at 60 watts each, but I'm getting
only 22 watts out with 5 watts input.  There is a second PC board that
controls the fan, but otherwise this is a single stage PA.

I'd appreciate hearing from anyone who has knowledge of and/or tech data
on this amplifier.  Thanks!

73, Eric Lemmon WB6FLY






 
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RE: [Repeater-Builder] Falcon Communications MOSFET Power Amp

2005-03-19 Thread KA9QJG



Eric,  I was doing a little digging and still searching Here is a Ham
Lloyd  N9BBQ  that was Selling two But Look at the Model numbers


Falcon 144 4112C Repeater Amp  10-100W
Falcon 220 4111C Repeater Amp  10-100

Still searching

Don KA9QJG












 
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Re: [Repeater-Builder] Falcon Communications MOSFET Power Amp

2005-03-19 Thread Eric Lemmon

Don,

Thanks for responding.  This amp might be a kluge... oh, oh!

73, Eric

KA9QJG wrote:

 Eric,  I was doing a little digging and still searching Here is a Ham
 Lloyd  N9BBQ  that was Selling two But Look at the Model numbers

 Falcon 144 4112C Repeater Amp  10-100W
 Falcon 220 4111C Repeater Amp  10-100

 Still searching

 Don KA9QJG


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