Munin 2
100W HF Power Amplifier
page last updated 01/13/2018
Kjell's latest updates on Output Transformers & revised Schematic May 7, 2015
Everything in one tidy ZIP file
or if you prefer direct links to HamSDR
ICOM Transformer Schematic & Doc File
Group Buy and Build Information
* * * * * *
New Schematic for 24VDC operation
12/5/2013
Munin2_041213.pdf
New Munin
Schematic Details.pdf
New
revisions to eliminate the pot 09032014
New Bias Circuit
For Munin2.pdf
* * * * * *
Munin_PCB_HiRes.jpg
Just
the PCB no parts
Munin2_BOM_V9.0.xls
Note: Replace C25, C26 and C27 [200pf, 200pf, 470pf]
with four (4) 220pf 500V NPO/COG
1206
Mouser part # 581-12067A221J or 80-C1206C221JCG
Munin2_Part_Pick_Sheets_07042013.pdf
Component_Reference_Drawings_06122013.pdf
Munin2_General_Construction_Info_07052013.pdf
Munin_L4_Construction_With_ BN-61-002_06272013.pdf
Munin2_Bias_Setup_08-18-2013.pdf
Heatsink_Drill_Table_06092013.pdf
Heatsink Drill
Drawing-3.pdf
Note: If
you are drilling your own heatsink and need a template use the version 3
drawing.
The Drill Table dimensions are correct on the
"Heatsink_Drill_Table_06092013.pdf"
but the location of the "T1H" hole is
low [Thanks to Mike KF4BQ for pointing this out]
Heat_Spreader_Drill_Drawing_06092113.pdf
Note: the Spreader is 1/4" thick
not 3/16" as indicated on drawing
Pictures
Flange Strip Marked and drilled
Heatsink with Heat spreader and 1/4" spacers
KF4BQ Built up a complete Munin2 from his own Parts supply
so some of the parts below are not the same as the BOM
For a full size picture click here
One of Kjell's Munin2 Boards
For a full size picture click here
Munin Tests from Kjell
Munin Tests.zip
K9IVB's Board
With Belden 9258 RG-8X braid used on L4 and
ground straps
For a full size picture click here
Another project that is going to work with Munin 2 or
Pennywhistle
that allows me to use my HF Projects LPF-100 Low Pass
Filters
Alternate_Alex_Interface_Ver6.2.pdf
Alternate
Alex TX Full Size Pix
Revised TX Gerbers as of 6/16/2015 [zip format]
Alternate
Alex RX Full Size Pix
Revised RX Gerbers as of 11/28/2014 [zip format - C7 moved]
Links to some excellent programs that you may want, need or require
Graphisme et utilitaires - PhotoFiltre ver 6.53
[in Downloads - which is located in top left Left column] http://photofiltre.free.fr/frames_en.htm
Extract to anywhere and run. Nice program and features. Simple editing & easy to useDassault Systems DraftSight - Free DWG reader editor
http://www.3ds.com/products/draftsight/overview/Schindler & Shill Gmbh - GerberLogix V280 Gerber viewer - great program
http://www.easylogix.de/products_detail.php?prog_id=1Now an even better solution to Micro$oft Office is Kingsoft Office a FREE cross platform program for Windows Android and Linux. Windows version reads & writes Office 97 to 2010 formats. http://www.ksosoft.com/
The following two links provide info and the program to add in to MS Office the capability to read/write Open Office / Liber Office files in MS Office versions XP/2002 and 2003, in most cases. MS Office 2007 Suite SP2 has the converters built in.
Description of Office Compatibility Pack Service Pack 2
http://support.microsoft.com/kb/953331Open XML / ODF Translator Add-ins for Office
http://odf-converter.sourceforge.net/download.html#hDownloadOfficeOr you may want to install the Free Liber Office Program from here. http://www.libreoffice.org/