Professional-grade S-band Low‑Noise Block Downconverter (LNB) for the 2.35–2.75 GHz range, downconverting to 0.95–1.35 GHz using a precise 3.7 GHz local oscillator. Designed for demanding satellite, military, and RF measurement applications.
Key features:
– Input VSWR ≤1.8
– I/O Impedance: 50 Ω (SMA/N-type), 75 Ω (F-type)
– Local oscillator frequency stability: ≤1 ppm
– Phase noise: –65 dBc/Hz @1 kHz, –80 dBc/Hz @10 kHz
– High gain ≥50 dB, mirror suppression ≥40 dB
– AGC depth ≥25 dB
– Gain flatness: ±2.0 dB (full band), ≤0.5 dB (30 MHz)
– Supply: +12…+24 VDC, ≤350 mA
– Operating range: –30 °C to +60 °C, humidity ≤95 %
Backed by a 1.5‑year warranty and a 7‑year post-warranty support period. Developed in-house with support from our RF lab and expert team.
👉 Order the LNB 2.35-2.75 GHz now and ensure your system’s reliability!
| S-band LNB Technical Specifications |
| Input Frequency Range |
2.35 – 2.75 GHz |
| Output Frequency Range |
0.95 – 1.35 GHz |
| LO Frequency |
3.7 GHz |
| Input VSWR, max |
1.8 |
| Input/Output Impedance |
50 Ω (SMA/N-type), 75 Ω (F-type) |
| LO Frequency Instability |
≤1.0 ppm |
| Phase Noise (1 kHz) |
–65 dBc/Hz |
| Phase Noise (10 kHz) |
–80 dBc/Hz |
| Gain, min |
50 dB |
| Gain Flatness (full band) |
±2.0 dB |
| Gain Flatness (any 30 MHz) |
±0.5 dB |
| P1 dB Output, min |
+5 dBm |
| Image Rejection |
≥40 dB |
| AGC Depth |
≥25 dB |
| Supply Voltage |
+12 V – +24 V |
| Power Consumption, max |
350 mA |
| Operating Temperature |
–30 °C … +60 °C |
| Storage Temperature |
–40 °C … +80 °C |
| Relative Humidity |
0 % – 95 % |
