Top CCTV Equipment  Video Signal Processing  Video Amplifiers Code: VHD-15
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REPEATER VHD-15 AHD, HD-CVI, HD-TVI SIGNAL AMPLIFIER

Net: 690.29 CZK  Gross: 849.06 CZK

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DESCRIPTION

The VHD-15 repeater is designed to amplification of the video signal transmitted via twisted-pair cable or coaxial cable, what enables high resolution video transmission of (AHD, HD-CVI, HD-TVI) signals for long distance.

A single repeater allows to correct attenuation of approx. 150 m UTP cable and approx. 300 m - 500 m coaxial cable (depending on the type of cable used). The using of single repeater ensures good quality of image for twisted-pair cable at a distance up to 300 m. At a distance up to 450 m two repeaters are required, and at a distance up to 600 m you should use three repeaters. For coaxial cable, depending on type, these distances will be correspondingly longer.

SPECIFICATION
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Standard:
  • AHD - 4 Mpx,
  • HD-CVI - 1080p,
  • HD-TVI - 5 Mpx,
  • CVBS - PAL / NTSC
  • Device type: Active
    The ability of signal regeneration: 150 m - Twisted-pair cable ,
    300 m - RG-59 ,
    500 m - Triset-113
    Power supply:
  • 8 V ... 24 V DC (power adapter not included)
  • The possibility of remote powering through the unused pairs of twisted-pair cable
  • Current consumption: < 50 mA
    Coaxial socket impedance: 75 Ω
    Symmetrical socket impedance: 100 Ω
    Number of inputs:
    Number of outputs:
    Coaxial socket type: BNC socket
    Symmetrical socket type: terminals
    Weight: 0.080 kg
    Dimensions: 103  x 62  x 29 mm
    Manufacturer / Brand: DELTA
    Guarantee: 3 years
    PRESENTATION
    REPEATER VHD 15 AHD HD CVI HD TVI SIGNAL AMPLIFIER

    Front panel: 

    REPEATER VHD 15 AHD HD CVI HD TVI SIGNAL AMPLIFIER

    Top view: 

    REPEATER VHD 15 AHD HD CVI HD TVI SIGNAL AMPLIFIER

    Front panel description: 

    REPEATER VHD 15 AHD HD CVI HD TVI SIGNAL AMPLIFIER

    1. Symmetrical output (UTP)
    2. Video signal indicator
    3. Asymmetrical output (COAX)
    4. Symmetrical input (UTP)
    5. Asymmetrical input (COAX)
    6. Power supply
    7. Power indicator
    8. Output transformer switch
    9. Input transformer switch

    Configuration with application of a single repeater: 

    Example configuration with application of a single repeater and coaxial cable: 

    REPEATER VHD 15 AHD HD CVI HD TVI SIGNAL AMPLIFIER

    1. Camera
    2. Coaxial cable

    The most preferred configuration for reasons of noise. Repeater at a distance of approx. 50% - 70% of the cable length: 

    REPEATER VHD 15 AHD HD CVI HD TVI SIGNAL AMPLIFIER

    1. Camera
    2. Coaxial cable
    3. Video Balun
    4. Twisted-pair cable

    The risk of overdriving of the repeater by a strong signal from the close placed camera. The discoloration may be visible: 

    REPEATER VHD 15 AHD HD CVI HD TVI SIGNAL AMPLIFIER

    1. Camera
    2. Coaxial cable
    3. Twisted-pair cable
    4. Video Balun

    Due to the amplification of heavily suppressed signal obtained worst signal-to-noise ratio: 

    REPEATER VHD 15 AHD HD CVI HD TVI SIGNAL AMPLIFIER

    1. Camera
    2. Coaxial cable
    3. Twisted-pair cable
    4. Video Balun

    Configurations with application of two repeaters. The performed tests show that the maximum distance segments connecting device for twisted pair cable should not exceed 300 m due to deteriorating the signal-to-noise ratio. For a coaxial cable, this distance is approx. 600 m ... 1000 m depending on cable type: 

    Example configuration with application of two repeaters and coaxial cable: 

    REPEATER VHD 15 AHD HD CVI HD TVI SIGNAL AMPLIFIER

    1. Camera
    2. Coaxial cable

    For best results, place the devices at similar distances from each other: 

    REPEATER VHD 15 AHD HD CVI HD TVI SIGNAL AMPLIFIER

    1. Camera
    2. Coaxial cable
    3. Twisted-pair cable
    4. Video Balun

    Signal amplification in the end results in a worse signal-to-noise ratio, because the amplified signal is strongly suppressed: 

    REPEATER VHD 15 AHD HD CVI HD TVI SIGNAL AMPLIFIER

    1. Camera
    2. Coaxial cable
    3. Twisted-pair cable
    4. Video Balun

    Increasing the distance between the devices causes a worse signal-to-noise ratio and increases the risk of distortion of the repeater: 

    REPEATER VHD 15 AHD HD CVI HD TVI SIGNAL AMPLIFIER

    1. Camera
    2. Coaxial cable
    3. Twisted-pair cable
    4. Video Balun

    The least recommended configuration (although the easiest to do); large distance between the devices results in a low signal-to-noise ratio and a repeater placed close to the camera increases the risk of overdriving: 

    REPEATER VHD 15 AHD HD CVI HD TVI SIGNAL AMPLIFIER

    1. Camera
    2. Coaxial cable
    3. Twisted-pair cable

    Image quality comparison for cat. 5e UTP cable at a distance of 500m depending on the number of repeaters used: 

    REPEATER VHD 15 AHD HD CVI HD TVI SIGNAL AMPLIFIER

    1) Image without the repeater
    2) 1 x VHD-15
    3) 2 x VHD-15
    4) 3 x VHD-15

    Image quality comparison for RG-59 cable at a distance of 800 m depending on the number of repeaters used: 

    REPEATER VHD 15 AHD HD CVI HD TVI SIGNAL AMPLIFIER

    1) Image without the repeater
    2) 1 x VHD-15
    3) 2 x VHD-15
    4) 3 x VHD-15

    Image quality comparison for Triset-113 cable at a distance of 1100 m depending on the number of repeaters used: 

    REPEATER VHD 15 AHD HD CVI HD TVI SIGNAL AMPLIFIER

    1) Image without the repeater
    2) 1 x VHD-15
    3) 2 x VHD-15

    Connection method of the VHD-15 with video transformers: 

    REPEATER VHD 15 AHD HD CVI HD TVI SIGNAL AMPLIFIER

    FILES

    Data Sheet


    100 KB

    CE


    250 KB

    Manual EN 


    230 kB

    PACKAGE
    Dimensions (L x W x H): 120x65x35 mmPackage: CartonGross Weight: 0.092 kg

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    60-713 Poznań, Graniczna 10
    tel.: +(48) 61 864 69 66
    e-mail: shop@delta.poznan.pl
    Working hours
    Mon.-Fri.: 8.00 - 19.00
    Sat.: 8.00 - 14.00
    Sales Department, Shipments
    tel.: +(48) 61 864 69 66
    e-mail: shop@delta.poznan.pl
    Technical Support
    tel.: +(48) 61 864 69 98
    e-mail: support@delta.poznan.pl
    (c) 2001-2019 DELTA