June 28, 2024 - due to parts cost increases the DSWK price is now $9
NEW (10/24/2003) - DSWK chip
The DSWK is an upgrade for the Small Wonder Labs DSW and DSW-II stock PIC chip.
Please don't contact Dave Benson of Small Wonder Labs
with questions or complaints about the DSWK and it's application
to the DSW and DSW-II series of transceivers - the more time
Dave spends answering emails, the less time he has to design
and produce his fine kits. Dave and SWL have no affiliation with or
endorsement of the DSWK chip. If you have a question
about the DSWK, please email it to the DSWK designer (me, Chuck Olson):
In
addition to the stock DSW features, the DSWK offers:
XIT (transmitter incremental tuning) mode
optional 10 Hz resolution tuning steps in addition to stock 50 and 200 Hz steps
10 Hz readout resolution when using 50 or 10 Hz tuning steps
DDS calibrate mode - set your DSW xmit frequency to agree with your "big rig"
VFO last frequency non-volatile memory (settings saved without power)
two non-volatile frequency memories (with hardware mod)
and adds many of the
Norcal keyer features to the DSW and DSW-II:
4 wpm to over 40 wpm speed range
pot or paddle speed control
two 37 character plus one 33 character, non-volatile memories
iambic a or
b modes
Bug mode
Autospace mode
Beacon mode
Reverse paddle mode
5 dit-dah tune mode
and some features not included in the
Norcal keyer:
optional command speed setting
programmable press and hold duration length
Printed manual available for an additional charge or save money by downloading
(Right click/save target as)
and printing the manual for more information on the DSWK.
chip price (no manual) is $9 + shipping/handling
Ordering information:
Because the DSW comes in a variety of configurations, please provide the following information when ordering a DSWK chip:
1) the rig type: original DSW or the new DSW-II
2) the band (80, 40, 20, 30 - for 17, please inquire)
if the rig is an original DSW, please provide this additional info:
3) the IF frequency on the crystals, (4.000 MHz, 5.185 MHz, 5.068 MHz)
4) the DDS clock frequency (25 MHz, 32 MHz, 50 MHz)
5) the Freq switch type: built into the encoder knob (push) or separate
Please use the javascript order form
to let your browser do the math.
Links and Downloadable files for DSWK
The Acrobat files of complex diagrams (like the schematic) may not view well
on your computer screen - suggestion: use the magnifier to zoom in for better
detail or print out the file.
DSWKMENU.pdf
(24k) - an Acrobat file a DSWK "cheat sheet" by Tomo Takahashi, JR0ECQ
Lew Paceley's (N5ZE) DSWK mods for his DSW-II
Lew Paceley's (N5ZE) web site if the above link is broken
dswkpa.pdf
(51k) - an Acrobat file of the DSWK manual
dswkmods.pdf
(687k) - an illustrated implementation of DSWK mods on the DSW-II by Steve Lawrence, WB6RSE
dswkhist.txt (1k)
- a text file of the version history of the DSWK firmware
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