Высококачественные LNB - конвертора
"Invacom"

Отличительной особенностью конверторов данного производителя является самый низкий
уровень шумов - порядка 0.3dB !!!, высокое качество сборки, одинаковый коэффициент
усиления по всему диапазону.
Конвертора поставляются в комплекте с герметизатором.

Invacom SNH-031 и SNF-031- универсальные офсетные и фланцевые LNBF-конвертора

Технические данные :

-Input Frequency - Low Band 10.7-11.7GHz/High Band 11.7-12.75GHz
-Output Frequency - Low Band 950-1950 MHz/High Band 1100-2150MHz
-Noise Figure - 0.3 dB typ
-Gain - 50-60 dB
-Gain Ripple - 26MHz bandwidth <+/- 0.5 dB/ Low Band <5 dB typ/ High Band <5 dB typ
-Local Oscillator Frequency - Low 9.75 GHz/ High 10.6 GHz
-Local Oscillator Phase Noise(typ) - 1kHz -65 dBc/Hz, 10kHz -95 dBc/Hz, 100kHz -110 dBc/Hz
-Local Oscillator stability - aging and +/-1MHz typ temperature drift +/-2MHz max
-Current Consumption One Receiver 200mA typ Each Additional Receiver 30mA typ (When connected to more than one receiver the overall current will be shared between all Receivers)
-Image Rejection - >40 dB
-Isolation - Cross Polar Isolation >20 dB /High to Low Band Isolation >25 dB
-Two Tone 3rd Order intercept point (output) >15 dBm
-Output Connector 4x female F-Type Impedance 75 Ohm Return Loss >10 dB
-Operating Temperature Range -40°C to +70°C/ Storage Temp Range -40°C to +70°C
-Band Polarization Selection Signals applied to F-type connector
Vertical Polarization Selection 11.5V to 14V
Horizontal Polarization Selection 15.5V to 19V
High Band Selection (22kHz tone) Frequency ( square wave with controlled rise/fall transition time) 18 kHz to 26 kHz
Level 0.4 Vpp to 0.8 Vpp
Transition time 5µS to 15µs Duty Cycle 40% to 60%
Load Impedance at 22kHz >70 Ohm
Low Band Selection No tone
-In Band Spurious (primarily 1700MHz) <-65 dBm
-Out of Band Spurious (primarily 850MHz) <-45 dBm
-Output Gain Difference ( between the outputs in 26MHz Bandwidth) <6 dB

(Источник - http://www.sat.net.ua)