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			+/- 10 ppm (+/- 100 kHz typ.)	N-type (50Ω)
NJR2841S			+/- 3 ppm (+/- 30 kHz typ.)	F-type (75Ω)
NJR2841SN			+/- 3 ppm (+/- 30 kHz typ.)	N-type (50Ω)
NJR2841E		External Ref.	Depends on External Reference	F-type (75Ω)
NJR2841EN		External Ref.	Depends on External Reference	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	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. @ +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.
Operating Temperature Range	-40 to +60 ℃
Waterproof / Dustproof (IP-code)	IP67
Weight	F-type: 210 g N-type: 240 g
Dimensions	(L) 83.2 x (W) 42 x (H) 42 mm (w/o Interfaces & Screws)