2 IN 1 B cable headend equipment dual rf modulator

Short Description:


  • FOB Price: US $20 - 1000 / Piece
  • Port: Shenzhen
  • Payment Terms: L/C,D/A,D/P,T/T
  • Product Detail

    Product Tags

    2 IN 1 B cable headend equipment dual rf modulator

    Features                                                 

    1. Intermediate frequency process, high functional index.

    2. SAW filters process.

    3. Luxurious housing.

    4. MMIC circuits are on key parts and SMT technology is

    applied to the overall unit.

    5. Digital displays channel number.

    6. Output adopts screw filters.

    7. With high security and high temperature stability.

    8. Output level adjustment and A/V adjustment on front panel.

    9. PLL technique is applied to audio and RF local

    oscillator,high frequency stability and high accuracy.

    10. We can make different channels according to the customer requests.

    2-in-1-F 2-in-1-r

    Specifications

     

     

     

    Reflection

    Output Frequency Range

    45-870MHz

    Frequency Accuracy

    ± 5KHz

    Output Level

    113dBmV(<550MHz)

    Out of Band Suppression

    ≥ 60dB

    Side-band Suppression

    ≥ 60dB

    Output Impedance

    75Ω

    Video to Audio Carrier Ratio

    -10dB ~ -20dB

     

     

     

    Video

    Frequency

    Input Level

    0.6 ~ 1.5Vp-p

    Input Impedance

    75Ω

    Input Reflection

    30dB min

    K coefficient

    4 % max ( 2T pulse )

    Video s/n

    50dB( no emphasis )

    C/L Delay

    40nsec

    Frequency Response

    ± 1dB( 25Hz ~ 5.8MHz)

    Differential Gain

    ± 4 % (modulation 87.5 887.58787.5) 87.587.585.7) 87.5) 87.5 )

    Differential Phase

    ± 4 °(modulation 87.5)

     

     

    Audio

    Frequency

    Input Level

    -10 ~ 10 dBm

    Input Impedance

    10KΩ min

    Frequency Response

    ± 1dB max(40Hz ~ 15KHz)

    Distortion

    1 %

    Signal to Noise Ratio

    -60dB

    Audio Picture Interval

    According to the TV system standard

    power

    supply

     

    Voltage

     

    220V or 110V

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