China TV Transmitter

Discussion in 'General support' started by hjt, Nov 1, 2018.

  1. hjt

    hjt Member

    Nov 1, 2018
    Likes Received:
    Equipment rated specification
    ●Power range: ~AC380V±10;220V±20%
    ●Frequency: 50±2Hz;
    ●Designed ambient condition of equipment: Indoor use
    ●Above sea level height: up to 3500 m
    ●Atmospheric pressure: 86~106kPb
    ●Ambient temperature: 0°C to 45°C
    General Performance
    Working frequency: 470MHz — 860MHz.
    Nominal load resistor impedance 50 Ω coaxial, reflection loss ≥ 26 dB.
    Rated output power :10KW.
    Overall Machine Technology Specification
    Specification of vision part
    Video input level:
    1Vp-p ± 3dB positive
    Sync level 0.3Vp-p
    Peak white level 0.7Vp-p
    Video input impedance: 75 Ω(Coaxial)
    Reflection loss ≥ 30dB .
    Frequency 0MHz ~ 6MHz
    Periodic clutter signal to noise ratio: 50dB(peak to peak)
    Continuous random clutter signal to noise ratio:
    average root value(no weighted)≥ 50dB
    average root value(weighted)≥ 56dB
    Useless transmission power of nearby outside channel is lower than carrier 60dB
    Useless transmission power of nearby inside channel is lower than carrier 40dB
    2T sine square wave distortion Kp ≤ 2 %
    2T sine square wave distortion to bar pulse amplitude ratio Kpb ≤ 2 %
    Line frequency tilt Kb ≤ 2 %
    Field frequency tilt K50 ≤ 2 %
    Brightness nonlinear distortion ≤ 10 %
    Differential gain distortion DG ≤ 5 %
    Differential phase distortion DP ≤ 5 °
    Chroma and brightness gain difference ≤ 10 %
    Chroma and brightness delay difference ≤ 30ns
    Variation of vision output power ≤± 0.25dB
    Carrier stability in three months ≤ ± 50 0Hz/ three months
    Blanking level stability ≤ 2.5%
    Carrier audacious phase modulation: ± 5 °
    Mode of modulation: amplitude modulation , negative pole
    Amplitude degree ≤ 87.5 %
    Difference of sound carrier and vision carrier: 6.5MHz ± 0.001MHz
    Radio frequency sync level: 100%
    RF blanking level: 75% ± 2.5%
    RF white level: 12.5% ~ 15%
    Company Profile
    Anshan General Broadcast & TV Equipment Co., Ltd.(AGBE) was established in 1998, with 20 years experience in professional researching developing and marketing satellite broadcasting equipment.
    Our company regards technology as the guider and the market is the center. Depending on our own talent s advantage , technological advantage and trade experience, Our company becomes impressive among the strong ones, Our main products are radio broadcast & TV transmitting equipment with high quality and low price which are very popular with the customers all over the world ,especially in Europe ,Mid-east ,Africa, America ,Hong Kong, etc .. Our factories locate in Science and Technology Garden and some other places in Anshan.
    With adopting advanced equipment and professional technical staff, we can assure the prompt delivery. Meanwhile , we can cooperate as OEM ,ODM ,OLM ,SKD as well.
    Honest & Faith is our object in business, we are honest to our customers and pleasant service was provided, our aim is that all the customers are pleased with our products.
    Believing us and choosing us as your working partner , you will get the best benefit from cooperating with us.
    Shipping Way
    1. UPS / DHL / EMS / HK EMS / FEDEX / HK post / TNT and so on express(door to door)
    2. For Air Shipment, Please choose your favorite, shipping method according your detail requirement
    3. The shipping discount is different in different seasons and depend different weight, we will choose the cheapest and safest way according your detail quantities
    4. Normally, it will take around 3-7days from China to destination country. Please note that some remote place will need 1-3 days more.
    HDMI extender 120m via CAT 5e/6 support 1080P , HDMI amplifier , vga dvi kvm extender repeater
    Delivery Time
    1. Sample within 1-3 days
    2. Wholesales Orders : 3-7days according various quantities
    3. OEM 7-10 days after receiving your sample confirmation and payment.
    Warranty Police
    1. 1 years warranty for the products.
    2. Please send back the defective goods which are within the warranty period, we will repair them or send you new one for free
    3. If it is the sample or only few pcs accessories (the fee is less or around shipping fee) are damaged, please send us some pictures and video about it need to confirm your problem, then we will send you free new goods instead.China TV Transmitter

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