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Alspaugh CW Keyboard Encoder
Morse Keyboard Encoder
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Ron Alspaugh's Morse Keyboard Encoder, featured in the December 1997 issue of QST, is a simple and economical way to create a Morse keyboard. It's completely assembled, tested, and ready to go. Just plug in any AT style PC keyboard (a computer is not required), 12VDC, and your rig, and you're in business! It really couldn't be simpler, and it's only $59.95
It works just like a typewriter keyboard, only it keys your rig as you type. All standard letters, numbers and punction are just as you would expect to find them in typing. All the common procedural symbols (prosigns) are available, too, and you can even create others by hitting the CTL key to delete the space between two characters. Click here to see a scan of the special key assignments.
The keying circuit uses a relay, so the board doesn't care if you are using a positive or negative key line.
The encoder's circuit board measures 4" x 2.25" (yes, the image above is considerably larger than life-size!) so you can attach it to the keyboard, or even build it into many radios. It even comes with two 3.5mm plugs so you can connect it to your radio and get started immediately.
This is version 5 of the encoder
software, and it has
TONS of features including:
|1. CW speed to 79wpm.
2. Optional Farnsworth timing adjustment.
3. Four non-volatile storage buffers (message memories) of 250 characters, 1K total.
4. Two external beacon inputs to trigger two of the storage buffers.
5. Manual key input which interrupts automatic sending.
6. Power switch and LED indicator.
7. External side tone oscillator for modified frequency capability.
8. Side tone output jack for headphones or external amplified speaker.
9. Keyboard buffer (type-ahead) 18 characters.
10. Buffer status LED turns
on at over 2/3 full and remains
on down to 1/3
11. On power on, encoder
turns on buffer LED and waits
12. PCB has size and
component placement to facilitate
and it's only $59.95
or call 303-752-3382 for more information
What Others are Saying...
have been using the Alspaugh ver.
4 keyboard which I built from the
article in QST of Dec. '97 with a Far board for about a year now and it
has worked flawlessly. With one of the small keyboards 6" X 13" it will
work with a small 9 volt battery. Makes a real nice portable unit. I
recently bought the new ver. 5 keyboard and it also works great. There are
comments on QRP-L about guys with poor cw spacing. With the keyboard I'm
not one of them. The Alspaugh keyboard is a winner. I wish more guys
would use a keyboard.
pleased with the results. there
are so many possibilities for this unit
that it would take up a complete qst edition.
If you are a user of the keyboard encoder, your comments could be here! Write to via the link below, and please be sure to say specifically that we can use your comments on the web page.
|Sorry, the Sprites are all gone. We may introduce either remainders or new production runs of the 2002/3 key style as a new Sprite, if there is demand for them. This page will remain available for a while for historical purposes.|
Our 2001 Christmas Key was so popular as a mniature telegraph key for genuine use, we decided to release it as a standard stock item.
The MX Sprite is a fully operational miniature key, hand machined from solid brass and plated in gold. It measures a tiny 1 3/4" by 15/16" at the base and weighs a mere 2 Oz.
Designed by Marshall Emm, N1FN, the Sprite was a challenge for European key maker Llaves Telegraphicas Artisanas. All the usual adjustments (trunnion bearing tension, lever spring tension, and contact spacing) are available by means of gold plated screws and matching lock nuts, and the indented knob is very comfortable in use. All of the machining and assembly processes were done by hand. The result, according to Marshall, is “a pretty little key that is eminently usable for sending code. It’s the smallest key we sell, and one of the smallest we’ve ever seen, so it will be very handy for QRP portable operations. "
The base of each key is engraved with the Morse Express "Speedy Key" logo.
Click here for more photos!