[BULK] - [Amps] Info on Mirage 6M 10/150 Amp?

R.Measures r at somis.org
Tue Feb 17 03:09:21 EST 2004


**  What mode are you using on 6m?

>Joe,
>
>In many Mirage 6m amps, including a model A1015 that I have at home, the
>circuitry for RF sensing is actually mostly in place, on the circuit board;
>it's just not connected!  This makes it reasonably easy for anyone with a
>screwdriver, soldering iron and about ten minutes to modify for RF sensing
>if they wish.
>
>In the case of my A1015 (about 3 years old), the entire circuit was in place
>except for the coupling capacitor that drives it.  Took me about five
>seconds to find that omission, and add the cap from my own stock...
>
>73 de Steve WB2WIK/6
>
>"Success is the ability to go from failure to failure with no loss of
>enthusiasm." -Winston Churchill
>
>> -----Original Message-----
>> From:	Joe Giacobello [SMTP:k2xx at swva.net]
>> Sent:	Monday, February 16, 2004 11:35 AM
>> To:	Steve Katz
>> Subject:	Re: [BULK] - [Amps] Info on Mirage 6M 10/150 Amp?
>> 
>> Tnx for your help, Steve.  I appreciate it.  I knew absolutely nothing
>> about the new regs and thought someone had sold me a faulty rig.
>> 
>> 73, Joe
>> 
>> Steve Katz wrote:
>> 
>> 
>> 	Hi Joe,
>> 	
>> 	Yes, the 6m amplifier *is* different.  There's an FCC rule that
>> prohibits
>> 	RF-sensed amplifiers from being sold in this part of the spectrum.
>> 	
>> 	However, it is perfectly acceptable for an amateur to modify
>> equipment in
>> 	this regard, for his own use.
>> 	
>> 	WB2WIK/6
>> 	
>> 	"Success is the ability to go from failure to failure with no loss
>> of
>> 	enthusiasm." -Winston Churchill
>> 	
>> 	  
>> 
>> 		-----Original Message-----
>> 		From:	Joe Giacobello [ SMTP:k2xx at swva.net
>> <mailto:SMTP:k2xx at swva.net>]
>> 		Sent:	Sunday, February 15, 2004 6:34 PM
>> 		To:	Amps
>> 		Subject:	[BULK] - [Amps] Info on Mirage 6M 10/150
>> Amp?
>> 		
>> 		I recently had a Mirage 10W in, 150W out 6M brick amp in the
>> shack.  
>> 		When I checked it out, it wasn't working.  It seemed that
>> the RF from 
>> 		the exciter was feeding straight through to the output.  I
>> assumed that 
>> 		the RF sensing antenna relay changeover circuitry was not
>> working.  
>> 		However, I've since been told that the 6M amps have to be
>> keyed from the 
>> 		exciter by grounding through the RCA jack on the rear and do
>> not work by 
>> 		RF sensing.  My 2M and 440 MHz Mirage amps go to transmit by
>> RF sensing 
>> 		or via the RCA jack.  Is the 6M unit different?  I'd
>> appreciate any 
>> 		information on the issue.
>> 		
>> 		73, Joe
>> 		
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>> 		    
>> 
>> 
>> 
>> 	  
>> 
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