- Colin (VK4UV) and Stephan (VK4CDS) will give a presentation on building low cost Transverters for 10/24/47 GHz with low-cost benefits ease of build. See us on the April 2026 Meeting.
10MHz OCXO
Maybe an outlay of $150 plus, depending on your spares box.
rev 1-12
EVANESCENT MODE WAVEGUIDE FILTER dimensions to follow. SEE HERE for more info also here
RASBERRY PIE P2040 using the fantastic software from G4EML
then a simple BAT-15-03W
BAT-15-0.3W
And a PTT change over relay arrangement will be required like this also above. Thanks to VK4KYT (Luke) found this on relay. Also here: RF/Attenuater Soldered to an SMA then fit the SMA into an old Foxtel LNB using that as a simple horn antenna
Now this system on 10Ghz might do 50Klm hilltop to hilltop using 600mm dishes (confirmed 85Klm on 3/5/2026VK4UV/CDS) but it is a cheap way
MAX2870 requires a capacitor and an inductor be removed from PC Board “ONLY USE THIS “
Block diagram ( .5 watt/3dbm drive)
Diode soldered to SMA
relay ??
EVANESCENT pot 200ohm – IF in
vvvvvvvv
EVANESCENT-inside to feed horn
BUILD PHOTOS (VK4NA)