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NPM used for testing Kuhne MKU23 and Chinese S-LNB

MessagePosté: Jeu 9 Jan 2014 09:51
de F6DZP
some results testing both converter.

I use
- Wifi 2.4GHz 24dB gain parabolic antenna put on the floor of my shack.
- down converter 2.4 GHz to 1.2 GHz (Band S to Band L): kuhne or Chinese
- TT S2-1600 PCI card as DVB-S receiver
- NPM V0.8 that allow attenuation when we use S2-1600

with Kuhne MKU23 I need to add 10 dB gain using TT S2-1600 STV6110 BBgain

with Chinese S-LNB I need to reduce saturated signal using 24 dB attenuation ( using software command to send pseudo AGC voltage to STV6110 chip)


noise for 2395 MHz
Kuhne

MKU23- 2.4GHz dish 24dB gain-Noise measuring-BBgain 10dB-2395MHz.jpg
MKU23- 2.4GHz dish 24dB gain-Noise measuring-BBgain 10dB-2395MHz.jpg (190.46 Kio) Vu 9877 fois


Chinese

dish2-4GHz 24dB -Noise measure-24dB attenuation-2395MHz.jpg
dish2-4GHz 24dB -Noise measure-24dB attenuation-2395MHz.jpg (195.46 Kio) Vu 9877 fois


noise for 2422 MHz
Kuhne

MKU23- 2.4GHz dish 24dB gain-Noise measuring-BBgain 10dB-2422MHz.jpg
MKU23- 2.4GHz dish 24dB gain-Noise measuring-BBgain 10dB-2422MHz.jpg (196.23 Kio) Vu 9877 fois


Chinese

dish2-4GHz 24dB -Noise measure-24dB attenuation-2422MHz.jpg
dish2-4GHz 24dB -Noise measure-24dB attenuation-2422MHz.jpg (201.85 Kio) Vu 9877 fois


noise for 2437 MHz
Kuhne

MKU23- 2.4GHz dish 24dB gain-Noise measuring-BBgain 10dB-2437MHz.jpg
MKU23- 2.4GHz dish 24dB gain-Noise measuring-BBgain 10dB-2437MHz.jpg (213.43 Kio) Vu 9877 fois


Chinese

dish2-4GHz 24dB -Noise measure-24dB attenuation-2437MHz.jpg
dish2-4GHz 24dB -Noise measure-24dB attenuation-2437MHz.jpg (208.26 Kio) Vu 9877 fois




Jean Pierre F6DZP