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Universal-band 10.7 ~ 12.75 GHz
NJR2841 series
Universal Ku-band 2LO PLL LNB – Mechanical Switch
- 2LO PLL LNB (Mechanical Switch)
- 2LO PLL LNB (22kHz Tone On/Off)
- 2LO PLL LNB (Input Voltage High/Low)
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NJR2841 is a low noise block downconverter for use on Universal Ku-band of RF Frequency 10.7 to 12.75 GHz, with switchable PLL oscillator by mechanical switch.
Features
Possible to Select LO Frequency
- Selection by Mechanical Switch
Frequency Organization
- 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
LO Frequency Stability Line-up
- H-type: Int. Ref., +/- 10 ppm (+/- 100 kHz typ.)
- S-type: Int. Ref., +/- 3 ppm (+/- 30 kHz typ.)
- E-type: Ext. Ref.
Low Noise Performance
- Noise Figure (NF): 0.8 dB typ.
Small Size & Light Weight
- Weight: (F-type) 210 g / (N-type) 240 g
Others
- RoHS Compliance
Series Line-up
| Model No. | RF Frequency | ReferencE-type | LO Frequency Stability | IF Connector |
| NJR2841H | 10.7 to 12.75 GHz (L-band) 10.7 to 11.7 GHz (H-band) 11.7 to 12.75 GHz |
Internal Ref. | +/- 10 ppm (+/- 100 kHz typ.) |
F-type (75Ω) |
|---|---|---|---|---|
| NJR2841HN | N-type (50Ω) | |||
| NJR2841S | +/- 3 ppm (+/- 30 kHz typ.) |
F-type (75Ω) | ||
| NJR2841SN | N-type (50Ω) | |||
| NJR2841E | External Ref. | Depends on External Reference | F-type (75Ω) | |
| NJR2841EN | N-type (50Ω) |
Spec
| Items | Parameters | ||
|---|---|---|---|
| RF Input Interface | Waveguide, WR75 (with Groove) | ||
| IF Output Interface | Coax. Connector, N-type Female (50 Ω) Coax. Connector, F-type Female (75 Ω) |
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| RF Frequency | L-band: 10.7 to 11.7 GHz H-band: 11.7 to 12.75 GHz |
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| IF Frequency | L-band: 950 to 1,950 MHz H-band: 1,100 to 2,150 MHz |
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| LO Frequency | L-band: 9.75 GHz H-band: 10.6 GHz |
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| Linear Gain | 62 dB max., 48 dB min. @ +25 ℃ | ||
| Noise Figure(NF) | 0.8 dB typ. @ +25 ℃ | ||
| Input Power Voltage Requirement | +12 / +24 VDC (+10 to +24 VDC) | ||
| Current Consumption | Int. Ref.: 170 mA max. Ext. Ref.: 200 mA max. |
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| Operating Temperature Range | -40 to +60 ℃ | ||
| Waterproof / Dustproof (IP-code) | IP67 | ||
| Weight | F-type: 210 g N-type: 240 g |
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| Dimensions | (L) 83.2 x (W) 42 x (H) 42 mm (w/o Interfaces & Screws) | ||
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