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Noise Block Converters

High LO Stability 10.95‑12.75GHz Ku Band LNB Satellite Low Noise Block Converter

ZD-LNB-10.95/12.75G
This high‑performance **Ku Band LNB**, also called **satellite low noise block converter**, delivers superior local oscillator stability of ±0.5 ppm with internal reference, and supports optional 10 MHz external reference input. It covers 10.95‑12.75 GHz input frequency, available in single‑band and dual‑band configurations, dual‑band model switches via +13/+18 VDC input voltage. Featuring typical 0.8 dB noise figure, 50‑65 dB adjustable conversion gain and minimum 10 dBm output P1dB, it provides excellent phase‑noise performance complying with IESS308/309 standards. Rated IP65 waterproof, this rugged unit works reliably at ‑40℃ to +60℃ under condensing humidity. Powered by 12‑24 VDC with 4 W consumption, it adopts WR75‑G input connector and optional F‑type / N‑type female output. Suited for maritime, SNG vehicle, VSAT fixed, portable terminals and 5G backhaul satellite communication deployments.
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Engineered for professional satcom projects, this premium Ku Band device is a high‑reliability LNB Satellite receiver unit, one of the robust Noise Block Converters for demanding satellite signal reception. It achieves outstanding ±0.5 ppm internal LO stability, with optional 10 MHz external reference input for higher‑precision system integration. Covering 10.95‑12.75 GHz frequency range, it offers single‑band and voltage‑switched dual‑band options, adopting 0.8 dB typical noise figure and adjustable conversion gain from 50‑65 dB. This Ku Band hardware features ≥10 dBm output P1dB and excellent phase‑noise performance exceeding IESS308/309 specifications. As heavy‑duty Noise Block Converters, it is IP65‑rated, operating steadily from ‑40℃ to +60℃ under 0‑100% condensing humidity. Powered by 12‑24 VDC with 4 W power consumption, the LNB Satellite assembly uses WR75‑G input connector with selectable F‑type or N‑type female output interfaces. Perfect for maritime, SNG vehicle, VSAT fixed & portable terminals, as well as 5G backhaul satellite communication installations.
 
Input Frequency (Single-band)      

  Band 1: 10.95-11.7GHz;

    Band 2: 11.7-12.2 GHz;

Band 3: 12.25-12.75GHz
Input Frequency (Dual-band)  

   10.7-11.7 GHz & 11.7-12.75 GHz (switched by +13/+18         VDC input volt)

Output Frequency 

   Single-band:950-1700/950-1450 MHz

   Dual-band:950-1950 & 1100-2150 MHz

LO Stability - Internal ref.+/- 0.5 ppm
LO Stability - External ref.10 MHz, 0 ± 5 dBm (optional)
LO Leakage Level - IF connector≤ -30 dBm
LO Leakage Level - RF connector≤ -60 dBm
Conversion Gain50-60 dB or 55-65 dB (optional)
Output P1dB≥ 10 dBm
Phase Noise @ 100 Hz-65 dBc/Hz
Phase Noise @ 1 KHz-75 dBc/Hz
Phase Noise @ 10 KHz-85 dBc/Hz
Phase Noise @ 100 KHz-95 dBc/Hz
Output Spurious-55 dBc @ -10 dBm (IF output)
Input Power SourceVia IFL
Input Voltage - Single-band12-24 VDC
Input Voltage - Dual-band L-band12-15 VDC (+13 VDC)
Input Voltage - Dual-band H-band16-24 VDC (+18 VDC)
Power Consumption4 W
Input ConnectorWR75-G (Grooved)
IF Input VSWR2.5:1
Output ConnectorF-type female; N-type female (optional)
Output VSWR2.0:1
Dimensions100x40x40mm
Weight0.25g
Operating Temperature-40 to +60 °C
Humidity0-100 % (Condensing)