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VNWA Testboard kit for Ham Radio Workshop
This testboard kit was designed for the VNWA Workshop “Practical Use of Vector Network Analyzer” by Prof .
th th
Dr. Thomas Baier, DG8SAQ at Ham Radio Friedrichshafen on 29 and 30 June 2013. Toms full presentation
is available HERE : There is a separate Workshop Presentation showing only Workshop Experiments slides:
/DG8SAQ/VNWA/VNWA_Experiments.pdf
Basic Testboard Kit Contents:
Contents of VNWA Basic Testboard kit for Ham
Radio VNWA Workshop
QT Description
1 Testboard Printed Circuit Board
2 SMA End Connectors (same type as in VNWA)
4 Plastic 8mm spacers
4 M3 6mm screws
1 32 pin female SIL Socket
1 20 pin female SIL connector
1 20 pin male SIL Header
5 Resistor SMD 100R 0.1% 0603 or 0805
Contents of kit with connectors cut to size
Recommended PCB Assembly Procedure
1. Apply a little Solder flux (if available) to the bottom of the PCB. This will make soldering a little easier.
Do NOT use acid based flux!
2. Cut the Female 32 pin SIL socket in 4 strips of 7 contacts.
You will be left with a 1 strip of 4
3. Cut the Female 20 pin SIL socket in 2 strip of 7 contacts.
You will be left with 1 strip of 6 contacts
4. Cut the remaining strip of 6 Female SIL socket in 2 strips of 3. The strip
of 4 and one strip of 3 make up the final strip of 7 contacts. (the picture
above shows the SIL strips after cutting to size)
5. Fit the 6 Female SIL co ectors with 7 contacts on PCB and solder
ONLY 1 Centre co ector
6. Fit the 7th row - made
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