Davac4

Davac 4.0 OK1ZIA

Davac 4 was succesfully built by OK1USW, OK1UGE and OK2JTB.

Circuit diagram

Circuit diagram of Davac 4.0

PCB

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  PCB bottom side (600 DPI)
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  Components placement top
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  Components placement bottom

Note: 600 DPI have images in Full resolution, MediaWiki uses thumbnails.

PCB www.hamshop.cz

Ondra OK1CDJ has made PCBs and offers it at www.hamshop.cz. Many TNX!

Errata

• Jack holes are slightly smaller - user Dremmel milling cutter
• Parts values would be shown - use schematic

Parts

Transformer TR-1/1 www.tme.eu

Jack 6.35 K3606D www.gme.cz or K36092B

White connectors for cable pins

Black connectors for cable flat cable

SMT variant by OK2JTB

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  Top side
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  Bottom side
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  Photo 1
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  Photo 2
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  Photo 3
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  Schematics

All data: File:Davac4-ok2jtb.zip

Made by OK1UDC(SK) & OK1UGE

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  Front panel
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  Back panel
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  Components side

Note OK1ZIA: better use USB-B type connector

Combined Davac4 and contest machine RPi

Guys from OK1RPL made this amazing compact contest solution.

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