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NJR2842 Series – Universal Ku-band 2LO PLL LNB (22 kHz Tone On/Off)
A Universal Ku-band LNB that switches its local oscillator band using a 22 kHz tone on/off signal.
The NJR2842 series is a low-noise block downconverter for Universal Ku-band reception (10.7 to 12.75 GHz), with band selection controlled by turning a 22 kHz tone signal on or off rather than a mechanical switch. It spans the same L-band and H-band frequency plan as the rest of the family, with a typical noise figure of 0.8 dB. It’s available with internal or external reference options, in compact F-type and N-type connector versions. RoHS compliant.
| Parameter | Specification |
|---|---|
| RF Input Interface | Waveguide, WR75 (with Groove) |
| IF Output Interface | Coax. Connector, N-type Female (50 Ω) / Coax. Connector, F-type Female (75 Ω) |
| RF Frequency | L-band: 10.7 to 11.7 GHz / H-band: 11.7 to 12.75 GHz |
| IF Frequency | L-band: 950 to 1,950 MHz / H-band: 1,100 to 2,150 MHz |
| LO Frequency | L-band: 9.75 GHz / H-band: 10.6 GHz |
| Linear Gain | 62 dB max., 48 dB min. @ +25C |
| Noise Figure(NF) | 0.8 dB typ. @ +25C |
| Input Power Voltage Requirement | +12 / +24 VDC (+10 to +24 VDC) |
| Current Consumption | Int. Ref.: 170 mA max. / Ext. Ref.: 200 mA max. |
| Operating Temperature Range | -40 to +60C |
| Waterproof / Dustproof (IP-code) | IP67 |
| Weight | F-type: 210 g / N-type: 240 g |
| Dimensions | (L) 82.2 x (W) 40 x (H) 40 mm (w/o Interfaces & Screws) |
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