Welcome
to Sam's Microwave Page
G4DDK / W5DDK
Loc: JO02PA
Low noise pre-amplifier kits - As used at Bochum for the incredible Venus bounce (EVE) tests in the 12cm band
1296
MHz, 2320 MHz and
3400 MHz (23,13 and 9cm)
amateur band low noise pre-amplifier kits are now available.
Also suitable
for 1090 MHz, 1420 MHz, 2200 -
2450 MHz
I have updated the construction details for all three VLNAs versions. Please read before commencing construction of your kit.
I have updated the construction details for all three VLNAs versions. Please read before commencing construction of your kit.
G4DDK2001
PCBs and now FULL kits except the
crystal*
The 750
- 1350 MHz frequency
range L
signal source, as published in
the
September 2008 RSGB Radcom.
*The crystal required depends on the final frequency. There are too many variations for me to stock crystals
Many builders already have suitably aged crystals they may wish to use!
WA5VJB PCB antennas
Enquire for details
Log periodic yagis 900 - 2600 MHz
and
2 GHz to 11 GHz (Including
3400 MHz) Vivaldis 2 - 25
GHz
1296 MHz 'Big Wheel' antennas.
*The crystal required depends on the final frequency. There are too many variations for me to stock crystals
Many builders already have suitably aged crystals they may wish to use!
WA5VJB PCB antennas
Enquire for details
1296 MHz 'Big Wheel' antennas.
G4DDK2010 144 to 28MHz receive converter design from March 2010 Radcom article
Please note that there was an error in the component list. Some digits in the Coilcraft inductor
number got reveresed. The correct part number is: 165-07A06L 92nH
Details here http://www.coilcraft.com/uni5.cfm
| Contents My bands Technical information The UK Microwave Group RSGB WA5VJB Antennas About G4DDK Surplus items Links G4DDK Blog Spot EME Change history:- Technical information 8/1/2010 Minor cosmetic changes to the front page 21/2/2010 Rx converter notice |
| This page
last given some TLC |
| 21/2/10 |
Page
first established
November 1997
|