SMW X LNB 7.25-8.50 GHz 2 Band | Gen 2
  • SMW X LNB 7.25-8.50 GHz 2 Band | Gen 2

SMW X LNB 7.25-8.50 GHz 2 Band | Gen 2

• 7.25-7.75 GHz and 7.75-8.50 GHz 

• External reference with fallback to Internal reference 

• Alarm, Monitoring & Control as standard

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SMW X LNB 7.25 – 8.50 GHz 2-Band PLL LNB

The SMW X LNB 7.25 – 8.50 GHz 2-Band PLL LNB is a dual-band X-band low-noise downconverter designed for professional SATCOM and Earth-observation systems. It covers two switchable input bands, 7.25–7.75 GHz and 7.75–8.50 GHz, providing outstanding stability, low phase noise, and remote monitoring via RS-485 (Modbus RTU). The unit includes external 10 / 100 MHz reference with internal fallback, and sum alarm functionality for LNA, LO lock, voltage, and signal monitoring.

Input Frequency: 7.25–7.75 GHz / 7.75–8.50 GHz
Local Oscillator: 6.30 / 6.80 GHz
Output Frequency: 950–1450 MHz / 950–1700 MHz
Noise Figure: typ. 0.65 dB (42 K), max 0.80 dB (58 K) @ 23 °C
Gain: typ. 60 dB; variation ±0.1 dB / 24 h @ 23 °C
Flatness: ±0.4 dB (30 MHz) / ±2 dB (full band)
Phase Noise: –45 @ 10 Hz • –75 @ 100 Hz • –95 @ 1 kHz • –100 @ 10 kHz • –105 @ 100 kHz • –122 @ 1 MHz
Image Rejection: ≥ 35 dB
Output P1dB: +15 dBm Output IP3: +26 dBm
LO Reference: External 10 / 100 MHz (+5 to +10 dBm) with fallback to Internal ±25 ppm
Band Switching: Voltage and / or 22 kHz tone (optional RS-485 Modbus RTU)
Input Connector: WR-112 / R84 flange (PBR-84) pressurizable to 0.1 bar
Output Connector: N-female 50 Ω (optional SMA-female)
Power Supply: +12 to +28 V DC (3 W typ.)
M&C: RS-485 (Modbus RTU) with configurable sum alarm
Dimensions: 135 × 56 × 51 mm (N) / 128 × 56 × 51 mm (SMA)
Weight: 381 g (N) / 375 g (SMA)
Temperature Range: –40 to +80 °C MTBF: > 690 000 h (Ground Fixed)
Country of Origin: Sweden

SMW X LNB 7.25-8.50 GHz 2 Band
Type
Single LNBs
Frequency Band
X-Band
Frequency Range
7.25 – 8.50 GHz
Number of Bands
2-Band
Sub-Band
Band 1: 7.25–7.75 GHz
Sub-Band
Band 2: 7.75–8.50 GHz
Output Band
Band 1: 950 – 1450 MHz
Output Band
Band 2: 950 – 1700 MHz
LO Frequency
Multiple LO
Noise Figure
0.8 dB
Typical Gain
60 dB
Input Interface
WR-112 Waveguide Grooved
Output Connector
N Type 50 Ohm
Output Connector
SMA Type 50 Ohm

Specific References