- MODEL No. NJR2841E, NJR2842E, & NJR2843E series
* Switchable Local
・ Local Frequency: 9.75 / 10.6 GHz
* Full Ku-band Coverage
・ RF Frequency: 10.70 – 12.75 GHz
(Low Band) 10.70 – 11.70 GHz
(High Band) 11.70 – 12.75 GHz
* Local Switching Line-up
Local Frequency Selected by
・ Mechanical Switch: NJR2841 series
・ 22kHz Tone On/Off: NJR2842 series
・ Input Voltage (High/Low): NJR2843 series
* Small Size & Light Weight
・ Weight: 240 g (N-type Connector Model)
・ Weight: 210 g (F-type Connector Model)
* RoHS Compliance
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ModelNo. |
RF Frequency |
LocalFrequency |
IF Frequency |
LocalStability[-40to+60 °C] |
LocalFrequencySlectedby |
IF Connector |
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NJR2841E |
10.70 to 11.70 GHz / 11.70 to 12.75 GHz |
9.75 GHz / 10.6 GHz |
950 to 1,950 MHz / 1,100 to 2,150 MHz |
Depends on External Reference |
Mechanical Switch |
F-type |
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NJR2841EN |
N-type |
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NJR2842E |
22kHz Tone On/Off |
F-type |
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NJR2842EN |
N-type |
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NJR2843E |
Input Voltage (High/Low) |
F-type |
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NJR2843EN |
N-type |
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Item |
Specifications |
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Input Interface |
Waveguide, WR75 (with Groove) |
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Output Interface |
N-type, female (50 ohm) [Model No.: NJR2841EN/42EN/43EN] |
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F-type, female (75 ohm) |
[Model No.: NJR2841E/42E/43E] |
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Noise Figure at +25 °C |
0.8 dB typ., 1.0 dB max. |
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Linear Gain (Ta.: +25 °C) |
48 dB min., 62 dB max. |
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L.O. Phase Noise |
-50 dBc/Hz typ. @ 100 Hz, -70 dBc/Hz typ. @ 1 kHz |
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-75 dBc/Hz typ. @ 10 kHz, -85 dBc/Hz typ. @ 100 kHz |
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Depends on phase noise of external reference |
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L.O. Leakage Level |
-40 dBm max. at the IF Output Connector |
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-60 dBm max. at the RF Input Flange |
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Spurious |
a) -120 dBm max. |
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at input, fixed frequency spur, unrelated to test CW signal (Measured at specified IF band). |
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b) -40 dBc typ. |
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with test CW signal -10 dBm IF output (Measured at specified IF band). |
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Input V.S.W.R. |
2.5 : 1 typ. |
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Output V.S.W.R. |
2.3 : 1 max. |
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Power Requirement |
+24 VDC (+10 to +24 VDC) |
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Current Drain |
200 mA max. |
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Temperature Range (ambient) |
-40 to +60 °C (operating), -40 to +80 °C (storage) |
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Waterproof/Dustproof (IP Code) |
IP 67 |
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Dimension & Housing ( without Interface Connectors ) |
83.4 mm (L) x 42 mm (W) x 42 mm (H) [Model No.: NJR2841E/41EN] |
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[3.28" (L) x 1.65" (W) x 1.65" (H)] |
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82.2 mm (L) x 40 mm (W) x 40 mm (H) [Model No.: NJR2842E/42EN/43E/43EN] |
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[3.24" (L) x 1.57" (W) x 1.57" (H)] |
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Weight |
240 g [0.53 lbs] |
[Model No.: NJR2841EN/42EN/43EN] |
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210 g [0.46 lbs] [Model No.: NJR2841E/42E/43E] |
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