Updated (10/28/2004) - Although the PK-3 will continue to be available, the
PK-4 kit and chip are now
available with extra features
at a lower price.
The PK-3 is a Morse code iambic keyer which offers:
![[PK-3 board picture]](pk3.jpg)
pot or paddle speed control, 5 to 39 WPM
one 57, one 52 character memories and a callsign memory
OR optionally one 57, two 26 and one 10 character memories
pin compatible with Tick or K8 keyer chips
ALSO, fully pin compatible with the PK-2 keyer
mode A or B Iambic keying
beacon mode, variable delay, up to 60 seconds
one touch CQ using callsign memory
embedded and manual pause of memory play
machine pin socket for keyer chip included with kit
speed readout - sends code speed via the sidetone
optional autospace, paddle reverse and many other features
low standby power (about 7 ua at 5 V, with regulator)
low active power (1.5 ma max. at 5 V, with regulator)
small size (1 by 1.5 inches)
Kit price is $20.00 + $2.00 USA shipping and handling
PK-3 chip with instructions - price is $8.00 + $2.00 USA S/H
DX (outside the USA) add $3.00 to USA prices
Take $1 off the above prices if you DON'T need a printed manual.
(multiple purchases of the PK-3 chip without the manual, will be
sent in a single anti-static bag)
ALSO - DX group purchasers of the PK-3 chip: I will ship any
quantity of the PK-3 chip WITHOUT the manual only to you for
a flat $5 shipping charge. USA group purchasers of the PK-3 chip
without the manual will be charged a flat $2 shipping charge.
View the manual for more information on
the kit.
MorseXpress (800 238 8205)
also sells the PK-3 kit offering easy credit card ordering via
their 800 number or on the web.
Print out a Kit
order form to figure your order manually
or try our: javascript order form
to let your browser do the math!
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For larger quantity purchases, manual pricing or to combine with other items, just send an email to jacksonharbor @ att.net with the items you want and we'll email you a Paypal invoice.
Downloadable files for the PK-3
The Acrobat files of complex diagrams (like the PK-3 schematic) may not
view well on your computer screen - suggestion: use the magnifier to zoom in
for better detail or print out the file.
pk3fep.txt (k) - Having trouble with your PK-3? This text file
has solutions for frequently encountered problems.
pk2nc20.txt (5k) - a text file of comments on using the PK with the Norcal 20 or Red Hot Radio
pk3b.pdf (51k) - PK-3 schematic with updated (6/11/2004) circuit board
pk3a.pdf (66k) - PK-3 schematic with old (before June 2004) circuit board
pk3f.pdf (41k) - an Acrobat file of the PK-3 manual
apntpk2a.pdf (52k) - an Acrobat file of the PK application note
stalkin.pdf (16k) - Stalking the Wild Multipress! - an Acrobat file
of a hardware method to solve the problem of pressing 2 or 3 switches at the same time.
modeab.pdf (8k) - an Acrobat file explaning the differences between Iambic mode A and B
pk3hist.txt (1k) - a text file of the version history of the PK-3
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