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The QROlle II QRP-rig
Building the QRolle II pages
Updated June 24, 2010- JZT

Revisions: In this box are we going to publish revision to the QROlle. Both Software and hardvare. Pls check regularly.
1. We have found that some of the prebuilt B-boards have a inductor of 2.2uH placed instead of 2.2uF capacitor in position C32B and C59B. Please check carefully. and let us know if you have it.
2. New version of software published. See users manual for details.
3. Adjustment of the bulding instructions for the voltages measured with mode swicht testing.

ANALOG side of things

Schematics pdf (Ver 4) for analog boards A and B
Bill Of Material Board A and B pdf
Clarification to Bill Of Material. Look here

Info på Svenska

Teknisk beskrivning av analogdelen, ur SSA:s medlemstidning QTC:
Del 1, Del 2, Del 3, Digital pdf
Teknisk beskrivning av digitaldelen, ur SSA:s medlemsdigning QTC
Bygginstruktioner för analogkorten A och B:
Ej förmonterade ytmonterade komponenter
Med förmonterade ytmonterade komponenter
Mekanisk sammansättning
Användarmanual för mjukvara version 44
Användarmanual för mjukvara version 45 Ny-24 Juni

DIGITAL side of things

Schematics, pdf Board C (and D connectors)

Programming of the QROlle SMART-front CPU:
Here is a starting point of software that is to be used for the programming of the QROlle CPU .

Programming of the CPU-board is documented in the users manual.
Users manual for software version 33 here Not to be used
Users manual for software version 44d here Not to be used
Users manual for software version 45 here

SAM-BA software AT91-ISP v1.12 is needed for software download (3 Mbyte)

Source code for the Digital board as per Open Source agreement available: ver44

Definition file for virtual COM-port to QROlle via USB.

Detailed pictures of the boards
A picture says more than a thousand words... Look for details on the high resolution pictures.

This is the Analogue A board. Here you have the reciever and most of the band pass filters. Click picture for high resolution 2.5Mb

This is the Analogue B board. Here you have the Driver, PA and Lowpassfilter. Pls note that the 2 x 16 pin connectors are turned up sid down in error in this picture. Click picture for high resolution 2.5Mb

This is the C (Combo) board. Here are the DDS and IO-circuits. Click picture for high resolution 0.6Mb

This is the D (Digital) board. It sits on the back end of the front panel. Click picture for high resolution 1Mb
The final frontpanel of the QROlle II. Picture taken June 29 2009

The final back panel of the QROlle II. Picture taken June 29 2009.

 

SM5DEH Nils has spend endless hours ironing out the great software used in the QROlle II. Here you see him in his lab in Uppsala/ Sweden. Without him, the QROlle would not have had all the great software features - besides being a great analogue performer.



Above you have the block diagram of the QROlle II - Status Mar 2009
Here is a PDF-document for download of the picture above.