Sam's Microwave
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DDKits
GM3SEK's App Note 4 is now
hosted on my web page.
I have been selling Ian's 30/60W PA PCBs for some time. These boards
are designed to accommodate the larger Mitsubishi RF MOSFET PA
modules. The boards will take modules covering all the amateur and
commercial bands covered by the module. However, the essential low
pass filter that you must use on the output of each module (unless
you intend to add one externally) is different for each band. Ian
has thoughtfully brought together the designs for the 4m, 2m and
70cm bands in one App Note (AP).
In additiona to AP4, also new, I have
re-introduced a 4m band (70-71MHz) transverter. This is based on the
successful and award winning Anglian 3L design. Because the same
Anglian 3 PCB is used the 4m transverter is simply called the Anglian 4. A limited (for now)
number of full kits are available. Details of the Anglian 4 are here.
Iceni is my 70cm (432MHz)
transverter kit with 10m (28MHz) IF. Based on the Anglian 3L design,
the Iceni is designed to provide
serious UHF operators with a transverter that can be used with their
high dynamic range HF transceivers such as the K3/K3S, IC7610,
IC7800 etc. This is now especially the case with the performance upgrade due to the new mixer.
The technical description will be
updated with a measured performance table due to the upgrade, whilst
the assembly manual is a
comprehensive multipage 'how to' document, essential for building
your Iceni, either from kit or a bare board. Again, this will be
updated with the change of mixer.
Separate schematics and overlay detail the circuit and how it is
laid out on the PCB.
Iceni was described in DUBUS 1/2018. My thanks to Joe Kraft for
featuring the Iceni. An update on device substitution as well as the
upgrade will be published in DUBUS 3/18.
If you are looking for a low cost driver PA to go with your Iceni
then G4BAO has some
very nice little kits that will produce several watts out at 70cm.
Each of the DDKit products are packaged to order. I don't usually
keep stocks ready to send out immediately. I do, however, endeavour
to ship within a few days of order.
Please e-mail me to enquire about
availability. Contact details are shown at the bottom of the Products page. Prices are shown here