SMW X LNB 7.75-8.50 GHz 1 Band | Gen 2

SMW X LNB 7.75 – 8.50 GHz 1-Band PLL LNB

The SMW X LNB 7.75 – 8.50 GHz 1-Band PLL LNB is a professional low-noise downconverter optimized for X-band satellite communications. Built for precision and reliability, it features an external 10 / 100 MHz reference with automatic fallback to an internal ±25 ppm source, integrated alarm and RS-485 (Modbus RTU) M&C interface, and excellent phase-noise performance for demanding SATCOM links.

Input Frequency: 7.75 – 8.50 GHz
Local Oscillator: 6.80 GHz
Output Frequency: 950 – 1700 MHz
Noise Figure: typ. 0.60 dB (42 K), max 0.69 dB (49 K) @ 23 °C
Gain: typ. 60 dB (±0.1 dB / 24 h), flatness ±0.4 dB (30 MHz) / ±2 dB (full band)
Input VSWR: 1.5 : 1 max Output VSWR: 1.5 : 1 max
Phase Noise: –45 @ 10 Hz, –75 @ 100 Hz, –95 @ 1 kHz, –100 @ 10 kHz, –105 @ 100 kHz, –122 @ >1 MHz
Image Rejection: ≥ 35 dB Spurious In-Band: ≤ –65 dBc
Output P1dB: ≥ 15 dBm Output IP3: ≥ 26 dBm
Reference Input: External 10 / 100 MHz (+5 to +10 dBm) with fallback to internal ±25 ppm
Power Supply: +12 to +28 V DC, 3 W typ.
Connectors: WR-112 flange input; N-female or SMA-female output
M&C Interface: RS-485 (Modbus RTU) with sum alarm (LNA, LO lock, voltage, signal)
Dimensions: 135 × 56 × 51 mm (N-type) Weight: 381 g
Temperature Range: –40 to +80 °C MTBF: > 690 000 h (Ground Fixed)
Country of Origin: Sweden