NJR2845B series
Ku-band PLL LNB - Int. Ref.
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Description
NJR2845B is a low noise block downconverter for use on Ku-band of RF Frequency 11.7 to 12.2 GHz, with PLL oscillator synchronized to a highly stable internal reference signal.
Features
Frequency Organization
- RF Frequency: 11.7 to 12.2 GHz
- IF Frequency: 950 to 1,450 MHz
- LO Frequency: 10.75 GHz
Low Noise Performance
- Noise Figure (NF): 0.8 dB typ., 1.0 dB max.
LO Frequency Stability Line-up
- H-type: +/- 10 ppm (+/- 100 kHz typ.)
- S-type: +/- 3 ppm (+/- 30 kHz typ.)
- U-type: +/- 1 ppm (+/- 10 kHz typ.)
- V-type: +/- 0.5 ppm (+/- 5 kHz 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 NJR2845BHF 11.7 to 12.2 GHz Internal Ref. +/- 10 ppm
(+/- 100 kHz typ.)F-type (75Ω) NJR2845BHN N-type (50Ω) NJR2845BSF +/- 3 ppm
(+/- 30 kHz typ.)F-type (75Ω) NJR2845BSN N-type (50Ω) NJR2845BUF +/- 1 ppm
(+/- 10 kHz typ.)F-type (75Ω) NJR2845BUN N-type (50Ω) NJR2845BVF +/- 0.5 ppm
(+/- 5 kHz typ.)F-type (75Ω) NJR2845BVN 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)RF Frequency 11.7 to 12.2 GHz IF Frequency 950 to 1,450 MHz LO Frequency 10.75 GHz Linear Gain 57 dB typ., 52 dB min. @ +25 ℃ Noise Figure(NF) 0.8 dB typ., 1.0 dB max. @ +25 ℃ Input Power Voltage Requirement +24 VDC (+10 to +24 VDC) Current Consumption 170 mA max. Operating Temperature Range -40 to +60 ℃ Waterproof / Dustproof (IP-code) IP67 Weight F-type: 210 g
N-type: 240 gDimensions (L) 82.2 x (W) 40 x (H) 40 mm (w/o Interfaces & Screws) -
Technical
Documents-
Design Support
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Handling instructions / Precautions
- General Caution
Detailed handling instructions and precautions are described in the datasheet. -
Related Links
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Category Line-upOutPut Power
10W
NJT5763 series→ NJT5764 series→ NJT5762 series→ 5W
NJT8105W series→ NJT8105E series→ NJT8105 series→ NJT5670 series→ 3W
NJT8103W series→ NJT8103E series→ NJT8103 series→ 2W
NJT8102W series→ NJT8102E series→ NJT8102 series→ Standard-band
5.85 to 6.425 GHz
Insat-band
6.725 to 7.025 GHzFull-band
5.85 to 6.725 GHzFrequencyOscillation typePLL LNB Ext. Ref.
NJS8496E series→ NJS8497E series→ NJS8498E series→ PLL LNB Int. Ref.
NJS8496 series→ NJS8497 series→ NJS8498 series→ LNA
NJS8452 NJS8451 Full-band
3.4 to 4.2 GHzStandard-band
3.625 to 4.2 GHzInsat-band
4.5 to 4.8 GHzFrequencyOutPut Power40W GaN
NJT8371U series→ NJT8371 series→ 25W GaN
NJT8370U series→ NJT8370 series→ 16W
NJT8319U series→ NJT8319 series→ 8W
NJT8318U series→ NJT8318 series→ NJT5218 series→ NJT5118 series→ 6W
NJT8376U series→ NJT8376 series→ NJT8306U series→ NJT8306 series→ 4W
NJT8316L series→ NJT8304U series→ NJT8304 series→ 3W
NJT8302U series→ NJT8302 series→ 2W
NJT8315L series→ 1.5W
NJT8301U series→ NJT8301 series→ Lower-band
12.75 to 13.25 GHzStandard-band
14.0 to 14.5 GHzUniversal-band
13.75 to 14.5 GHzFrequencyOscillation type2LO PLL LNB Ext. Ref.
Int. Ref.NJR2841 series (Local Frequency Selected by Mechanical Switch) → NJR2842 series (Local Frequency Selected by 22kHz Tone) → NJR2843 series (Local Frequency Selected by Input Voltage) → PLL LNB Ext. Ref.
NJR2845AE series→ NJR2845DE series→ NJR2845BE series→ NJR2845GE series→ NJR2845CE series→ Int. Ref.
NJR2845A series→ NJR2845D series→ NJR2845B series→ NJR2845G series→ NJR2845C series→ Single-band
10.95 to 11.7 GHzSingle-band
11.2 to 11.7 GHzSingle-band
11.7 to 12.2 GHzSingle-band
12.2 to 12.75 GHzSingle-band
12.25 to 12.75 GHzUniversal-band
10.7 to 12.75 GHzFrequency