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P R O D U C T S

    NJS8476S


NJS8476S - 30KHz Stability C-Band Palapa LNB   
Model

This unit is a low noise amplifier and a block downconverter (int/ext ref.) for use in C-Band VSAT remote RF terminals

Model

RF Frequency

Local Frequency

Local Stability

IF Frequency

IF Connector

NJS8476S

3.400 to 4.200 GHz

5.15 GHz

+/-3 ppm

950 to 1,750 MHz

F-type

Category: Block Downconverters (LNBs)  /  C-Band   Manufacturer: NJRC - New Japan Radio Company
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Specification
Specification
Parameter

Parameter

Value

Frequency band

3.400 to 4.200 GHz

Input waveguide flange

CPR-229G

Input V.S.W.R.

3:1 max

Noise temp. (Ta=+25 C)

35 K typ. to 45 K max.

Output frequency

950 to 1750 MHz

Conversion gain

60 dB min @ +25C

66 dB max.

Conversion gain variation (Ta=+25C)

2 dB max. in any 50 MHz segment over frequency band

Conversion gain flatness (Ta: +25 C)

8.0 dB max. at 800 MHz BW

Local oscillator frequency stability (Ta= -40 to +60 C)

5.15 GHz nom.

Image rejection

60 dB min.

Output V.S.W.R.

2.5:1 max.

Power requirement

+13.5 to +24 VDC

Current drain

400 mA max.

Phase noise (SSB)

-70 dBc/Hz typ. -65 dBc/Hz max@100 Hz

-80 dBc/Hz typ. -75 dBc/Hz max@1 KHz

-85 dBc/Hz max@10 KHz

-90 dBc/Hz max@100 KHz

-105 dBc/Hz max@1 MHz

Parameter

Value

Operating temperature range

-40 to +60 C

Storage temperature

-40 to +80 C

Humidity

100 %Rh (max)

Vibration

G=5 (f=50±2Hz, t=5 min, Direction; X,Y,Z)

Shock

G=15 (Direction; X,Y,Z)

RF input power

-10 dBm (@ CW)

+10 dBm (@ Pulse)

Supply voltage

+28 VDC



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