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Welcome! The DSW-II manual departs from the traditional Small Wonder Labs instructions. These pages contain the
information necessary for a reasonably-experienced builder to complete this kit successfully. If you're new to kit-
That URL contains a Supplement document (in .pdf format) with component identification tips, technical description,
basic soldering instruction and troubleshooting information. Why this approach? You've seen most of this information
in my earlier manuals- print only the portion you need and save a tree!
This document itself is kept current at
Schematic- Transmitter/Local Oscillator
Schematic- Receiver
Assembly Instructions
DSW-II-80 Transceiver kit -Instructions
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Transceiver Kit
building, please go on-line and check out:
http://smallwonderlabs.com/DSWhelps.pdf
Table of Contents:
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http://smallwonderlabs.com/DSW80_Manual.pdf
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D. Benson, K1SWL
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Summary of Contents for Small Wonder Labs DSW-II-80
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Page 1: Table Of Contents
DSW-II-80 Transceiver Kit Welcome! The DSW-II manual departs from the traditional Small Wonder Labs instructions. These pages contain the information necessary for a reasonably-experienced builder to complete this kit successfully. If you're new to kit- building, please go on-line and check out: http://smallwonderlabs.com/DSWhelps.pdf... -
Page 2: The Dsw
The 'DSW-II-80' Parts list (quantities in blue are those items pre-installed by Small Wonder Labs) Qty. Ref. Designator Component Description 10 pF NPO disk cap '10' 15 pF NPO disk cap '15' C22,C23 22 pF NPO disk cap '22', Pre-installed... - Page 3 / w/ nut, lockwasher Subminiature. toggle sw. / DK CKN1088 Shaft encoder, rotary 3 leads, w/ nut, washer Printed circuit board Yellow LED Flex cable / DK A9BAG-1002F R1-R3 1.5K ohm, 1/4W 5% resistor Brown-green-red DSW-II-80 Transceiver kit -Instructions D. Benson, K1SWL 02/12/04...
- Page 4 DSW-II-80 Transceiver kit -Instructions D. Benson, K1SWL 02/12/04...
- Page 5 DSW-II-80 Transceiver kit -Instructions D. Benson, K1SWL 02/12/04...
- Page 6 9835 DSW-II-80 Transceiver kit -Instructions D. Benson, K1SWL 02/12/04...
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Page 7: The Dsw-Ii
C27- 47 pF monolithic cap R18- 470 ohm resistor (ylw-violet-brn) R19- 500 ohm pot (blue/ 3 leads) C28- .01 disk cap C110- .01 disk cap C111- .01 disk cap C116- .1 uF monolithic cap DSW-II-80 Transceiver kit -Instructions D. Benson, K1SWL 02/12/04... -
Page 8: Pictorial Drawing
C14- .033 uF poly cap C15- .01 disk cap C17- 27 pF disk cap R21- 10K resistor (brn-blk-orange) R24- 22K resistor (red-red-orange) Y1- 4.00 MHz crystal. DSW-II-80 Transceiver kit -Instructions D. Benson, K1SWL 02/12/04... - Page 9 Select the heat- C20- .0022 uF poly cap sink orientation which results in the lower C18- .033 uF poly cap vertical height above the board. Ensure that Q2- 2N7000 This part is static-sensitive DSW-II-80 Transceiver kit -Instructions D. Benson, K1SWL 02/12/04...
- Page 10 5) Install the subminiature pushbutton switch at S1. Do not solder this part in place yet. 6) Install the subminiature toggle switch at S2. This part may be installed without regard to 'up/down' DSW-II-80 Transceiver kit -Instructions D. Benson, K1SWL 02/12/04...
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Page 11: Alignment
This tone may be adjusted to 800 Hz using Spectragram or DigiPan software and your computer sound card. [DigiPan: select Configure... Band... and click on "Tone". Spectrogram: www.visualizationsoftware.com DigiPan: see http://psk31.com , software links DSW-II-80 Transceiver kit -Instructions D. Benson, K1SWL 02/12/04... -
Page 12: Operating The Dsw-Ii
Keyer control functions are described as follows: Initialization: "S" (Speed): The DSW-II-80 operating frequency is set to 3560.0 KHz upon power-up. If the RIT switch is held in the Closing the 'Dot' keyer paddle input increases keyer 'up' position during power-up, the operating frequency speed;... -
Page 13: Addendum
Supplement URL. Factory troubleshooting is available- contact me for instructions. Revisions: 02/01/04 (Initial release) created from 9/25/03 version of DSW-II-20 instructions. Schematic, P/L, pictorial and assembly text revised extensively. DSW-II-80 Transceiver kit -Instructions D. Benson, K1SWL 02/12/04...
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