The Ka-band LNB 27.2–28.2 GHz is a high-performance low-noise block downconverter developed for professional satellite and telecommunication systems. It features a WR-28 input waveguide, precise downconversion to the 1–2 GHz range, and supports SMA, N-type (50 Ohm), and F-type (75 Ohm) outputs. The unit is built around a high-stability 26.2 GHz local oscillator with low phase noise, making it suitable for applications requiring tight frequency accuracy and minimal signal degradation
L.O.: 26.2 GHz IN freq.: 27.2-28.2 GHz OUT freq.: 1000-2000 MHz
Key Features:
- Input: 27.2–28.2 GHz via WR-28 waveguide
- Output: 1–2 GHz (or custom)
- LO frequency: 26.2 GHz
- Noise Figure: ≤ 3 dB
- Gain: ≥ 50 dB
- Output types: SMA/N (50 Ohm), F-type (75 Ohm)
- Extended dynamic range and flat gain response
Main Functions:
- Downconverts high-frequency Ka-band signals to a manageable IF range
- Amplifies weak signals with minimal added noise
- Provides selectable impedance and output interfaces for flexible integration
👉Order the Ka-band LNB 27.2-28.2 GHz WR-28 N/F/SMA now and ensure your system’s reliability!
| Input parameters: |
| Input Frequency Range |
27.2 – 28.2 GHz |
| Input VSWR, max |
2.0 |
| Input Interface |
Waveguide WR‑28 |
| Local Oscillator: |
| LO Frequency |
26.2 GHz |
| LO Instability |
± 1 ppm |
| Output parameters: |
| Output Frequency Range |
1.0 – 2.0 GHz (customizable) |
| Output Power @P1 dB |
+3 dBm |
| Gain, min |
50 dB |
| Gain Unevenness (Full Band) |
± 2 dB |
| Gain Unevenness (30 MHz) |
± 0.75 dB |
| Output Impedance |
50 Ω (SMA/N), 75 Ω (F‑type) |
| Output VSWR, max |
2.5 |
| Noise Figure (@+25 °C) |
≤ 3.0 dB |
| Image Rejection |
≥ 40 dBc |
| Power Supply: |
| Input Voltage |
12 – 24 VDC |
| Power Consumption |
≤ 5.25 W |
| Current Consumption |
≤ 350 mA |
| Environmental: |
| Operating Temperature |
−30 °C to +60 °C |
| Storage Temperature |
−40 °C to +80 °C |
| Operating Humidity |
0 %–95 % |
| Mechanical: |
| Dimensions (W × H × D) |
60 × 42 × 126 mm |
| Weight |
0.4 kg |
