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  2. New Japan Radio NJRC C-Band PLL LNB Internal Reference (L.O. Stability: ±3ppm) Model No. NJS8486S, NJS8487S, & NJS8488S series
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New Japan Radio NJRC C-Band PLL LNB Internal Reference (L.O. Stability: ±3ppm) Model No. NJS8486S, NJS8487S, & NJS8488S series

The NJS8488S from New Japan Radio is a Low Noise Block with RF/Input Frequency 4.5 to 4.8 GHz, Output Frequency 960 MHz to 1.26 GHz, LO Frequency 5.76 GHz, Gain 59 to 66 dB, LO Frequency Stability +/- 3 ppm.

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    Key Features


    * Low Noise Temperature
    ・Noise Temperature: 15 K


    * Low DC Current Drain
    ・DC Current Drain: 350 mA

    * Small Size & Light Weight
    ・Weight: 800 g 

    * RoHS Compliance


    Model No.

    RF Frequency

    Local Frequency

    IF Frequency

    Local Stability

    [-40 to +60 °C]

    IF Connector

    		Power Supply

    NJS8486S

    NJS8486SN


    3.400 to 4.200 GHz
    (Palapa C-band)

    5.15 GHz

    950 to 1750 MHz

    +/- 3 ppm

    F-TYPE 

    N-TYPE

    		+24 VDC
    (+12 to +24 VDC)

    NJS8487S

    NJS8487SN

    3.625 to 4.200 GHz
    (Standard C-band)

    5.15 GHz

    950 to 1,525 MHz



    +/- 3 ppm




    F-TYPE 


    N-TYPE

    		+24 VDC
    (+12 to +24 VDC)

    NJS8488S

    NJS8488SN

    4.500 to 4.800 GHz (Insat C-band)

    (Standard C-band)

    5.76GHz

    960 to 1,260 MHz




    +/- 3 ppm




    F-TYPE


    N-TYPE

    		+24 VDC
    (+12 to +24 VDC)




    ITEM

    SPECIFICATIONS

    Input InterfaceWaveguide, CPR229 (with Groove)

    Output Interface

    N-type, female (50 ohm)

    [Model No.: NJS8486SN/87SN/88SN] 


    F-type, female (75 ohm)

    [Model No.:NJS8486S/87S/88S]

    Noise Temperature (Ta.: +25 °C)

    15 K typ.,         30 K max.

    Linear Gain (Ta.: +25 °C)

    59 dB min.,     66 dB max.

    Local Stability
    		+/-2.5 ppm (Ta.: -30 to +60 °C)
    +/-3.0 ppm (Ta.: -40 to +60 °C)

    L.O. Phase Noise

    -70 dBc/Hz typ. @ 100 Hz

    -80 dBc/Hz typ. @ 1 kHz

    -85 dBc/Hz typ. @ 10 kHz

    -95 dBc/Hz typ. @ 100 kHz

    Spurious
    		a) -140 dBm max.
    at the input, Fixed frequency spur, unrelated to test CW signal (Measured at specified IF band).

    b) -55 dBc max.
    with test CW signal -10 dBm IF output (Measured at specified IF band).

    Output V.S.W.R

    2.5 : 1 max.

    Power Requirement

    +24 VDC (+12 to +24 VDC)

    Current Drain

    350 mA max.

    Temperature Range (ambient)
    		-40 to +60 °C (operating), -40 to +80 °C (storage)
    Waterproof/Dustproof (IP Code)
    		IP 67

    Dimension & Housing

    ( without Interface Connectors )

    80.8 mm (L) x 99.6 mm (W) x 76 mm (H)

    [3.18" (L) x 3.92" (W) x 2.99" (H)]

    Weight

    800 g [1.76 lbs]



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