[R-390] Baker and Williams

[N4BUQ at aol.com]

...and the little PD-1 solid-state unit.  I have one and it works pretty good.

Barry(III) - N4BUQ

>At 07:44 AM 11/22/2004, Charles B wrote:
>>Hi all,
>>
>>Someone told me that they obtained a SSB outboard unit for the R390A from 
>>Baker And Williams.  I went to B&W's web page and couldn't find anything 
>>there concerning this?  The fella who mentioned the unit has a problem 
>>answering email, so I was wondering if anyone out there on this reflector 
>>has any information about this unit?
>
>Chuck,
>
>The B&W unit is the "Model 370 Single Sideband Receiving Adapter:"  It 
>operates on the frequency conversion principle, with its low IF frequency 
>at 17 to 20 Kc.  Upper or lower sideband is selected by changing the mixing 
>frequency.  A filter at 17 Kc selects the desired band of 
>frequencies.  There is a 17 Kc injection oscillator to re-inject the BFO 
>signal for SSB, CW, or enhanced am operation.  The thing contains an audio 
>amplifier (6V6) and speaker.
>
>These units seem quite hard to find. I have one, one other fellow I know of 
>has one also.  I also have an original manual, and will be happy to provide 
>copies of it to anyone who needs one (it is not on the BAMA site - When I 
>get the time, I'll scan it and send it in for all to have.)
>
>Other sideband adapters that can be used with the R-390A or other radios 
>with 455 kc IF frequencies include:
>
>Hammarlund HC-10: quite rare and expensive
>Hammarlund SPC-110 rack mount equivalent: even more rare and expensive
>Military CV-591 (aka MSR-4) made by TMC sideband adapter
>Any modern rice box that will receive SSB and tune to 455 Kc.
>
>Roy
>
>
>- Roy Morgan, K1LKY since 1959 - Keep 'em Glowing!
>7130 Panorama Drive, Derwood MD 20855
>Home: 301-330-8828 Cell 301-928-7794
>Work: Voice: 301-975-3254,  Fax: 301-948-6213
>roy.morgan at nist.gov --
>
>______________________________________________________________
>R-390 mailing list
>Home: http://mailman.qth.net/mailman/listinfo/r-390
>Help: http://mailman.qth.net/faq.htm
>Post: mailto:R-390 at mailman.qth.net
>Unsubscribe: http://mailman.qth.net/mailman/options/r-390
>