[Elecraft] Proposal for Mono-band Elecraft

Bob Nielsen n7xy at clearwire.net
Fri Apr 8 16:45:10 EDT 2011


Some of Wayne's early kit designs are available from Wilderness Radio:
http://www.fix.net/~jparker/wild.html

Hendricks QRP Kits also has a number of small kits, a few of which are single-band: 
http://www.qrpkits.com

Bob N7XY

On Apr 8, 2011, at 1:24 PM, Vic K2VCO wrote:

> I don't see a lot of daylight between the KX1 and the K1.
> 
> My 'little' rig is a K2, but I've been very tempted to get a K1, too.
> 
> On 4/8/2011 8:59 AM, Mike Morrow wrote:
>> Doug wrote:
>> 
>>> One other thing: I really wish Wayne and Eric would peal off one of
>>> their talented junior engineers and design a K0. (K zero).  A single
>>> band superhet with 2-3 watts out and super compact.
>> 
>> So...maybe a K0-15 for 15 meters.  I like that concept.
>> 
>> Before the K1 became available in 2000, I had built three of Dave Benson's
>> Small Wonder Labs DSW series of mono-band PIC- and DDS-technology QRP rigs.
>> I still have the DSW-20, -30, and -40 and they remain great and very
>> innovative QRP transceivers.  Wonderful rigs!
>> 
>> My only issue with those $130 (in 1999) units was that the operating system
>> allowed ONLY iambic mode B keying, which I consider an abomination. :-)
>> However, Jackson Harbor Press produced a direct plug-in replacement PIC
>> (controller) for $7 (!!) called the DSWK that offered many additional
>> features over the original SWL PIC, including selectable iambic keying
>> mode (just like Elecraft).
>> 
>> The DSW (and later DSW-II) with the DSWK PIC created what is IMHO still
>> the neatest small mono-band QRP rig of all time.  Unfortunately, Dave
>> discontinued the DSW series several years ago, leaving that market empty.
>> I regret not having purchased a DSW-II-80 when it was available.
>> 
>> Today I almost always use the K1, but sometimes I will take one of the DSWs
>> when I just want a very small mono-band set.
>> 
>> Elecraft advanced the PIC/DDS concept to the multi-band feature-rich KX1 all
>> in a small package, yet I also believe there's still something appealing about
>> a smaller, simpler, mono-band rig.  A new Elecraft rig that combined some
>> characteristics of the SWL DSW-II and the (don't laugh) MFJ Cub would be great.
>> The DSW characteristic would mean a rig that needed NO LED or LCD display.  All
>> control response output would be Morse.  The MFJ Cub characteristic would mean
>> a rig with all the "boring drudgery" components being machine pre-assembled
>> surface-mounted to the PCB.  Only a few major components that mostly determine
>> the operating frequency would be required to be hand assembled by the builder.
>> Such a rig could be put together in an evening while encountering much less
>> opportunity for construction error.  (There'd be much less demand on Elecraft
>> tech support for troubleshooting.)  Choose a DDS chip that can be clocked
>> high enough to allow a 15m model, use a four-pole IF filter, and provide an
>> AGC circuit.  Mono-band CW perfection!
>> 
>> I'd buy a couple, maybe more.
>> 
>> Mike / KK5F
> 
> -- 
> Vic, K2VCO
> Fresno CA
> http://www.qsl.net/k2vco/
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