[R-390] Question about the second crystal oscillator in the R-390a

[David Wise]

I'm pretty sure the crystals are operated in fundamental mode,
and T401 is tuned to the desired harmonic. 

Dave Wise

>-----Original Message-----
>From: r-390-bounces at mailman.qth.net 
>[mailto:r-390-bounces at mailman.qth.net] On Behalf Of Anthony Casorso
>Sent: Friday, April 13, 2012 3:08 PM
>To: r-390 at mailman.qth.net
>Subject: [R-390] Question about the second crystal oscillator 
>in the R-390a
>
>
>Does anybody know for sure of the crystal oscillator is 
>designed as an "overtone" oscillator? What I mean is, on the 
>bands that use the second or third multiple of the crystal 
>frequency, is the oscillator oscillating at that frequency or 
>is it oscillating at the crystal frequency and then just 
>tuning T401 to the harmonic they want to use?
>Thanks,
>Tony 		 	   		  
>_