Analog Video Transmitter

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: 174MHz —...

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Product Details

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: 174MHz — 223MHz.

Nominal load resistor impedance 50 Ω coaxial, reflection loss ≥ 26 dB.

Rated output power :300W.

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). is one of the leading professional manufacturers of digital TV & Broadcasting system in China since 1998, devoting itself to supply high quality and cost-effective products, as well as solutions to our respectable clients all over the world.

Our company has a strong and advanced R&D team, consisting of professional engineers and designers with a wealth of experience. We are cooperating with the University of Electronics Science and Technology of China to develop and manufacture a complete DVB System (including digital cable TVs, as well as digital MMDS transmitting systems) and we already manufacture several unique products in this area.

We are specialized in providing turn-key solution for Cable System, Satellite Uplink (DTH) System, and all kinds of wireless transmission system, especially two way MMDS system, DVB-T2 system, and KU Band MVDS system. Up to now, we have built more than 50 wireless, cable and satellite uplink system in about 30 countries, such as Djibouti State TV Station, Mongolia Local TV Station, Somalia Hargeyas TV Station, Sierra Leone Capital CCNTV, Nepal AVENUES Satellite Channel, Philippine OLD PATH Satellite Channel, etc.

"Growing up with customer"is the philosophy we are insisting. The relationship between TELECAST and her customer is not only trade. We invest and cooperate in system construction with many operators, both domestic and overseas, which brings not only profit to our customer, but also more wonderful and cheaper programs to local people. Meanwhile, the news media of local government has been effectively improved by this way.

We are expecting to cooperate with you!

We have modernization of the factory . You are welcome to visit our factory when you come to China.

At present , there are already agbe customers around the world visited our office . If you come to China , you are welcome to visit us .


FAQ

1.We can produce

We can produce the transmitter according to the customer’s requirement. Regarding the input power, it is can be adjusted according to the customer’s local condition, as well as equipping monitoring system and timing switch system.

2.Terms of payment

L/C and T/T

3.Delivery period

It is according to the customer’s quantity requirement. For example, 1kw, it will take about 7 working days after the contract effective.

For 3-5kw, it will take about 15 days.

4.The products we can produce

FM 30w, 100w, 300w, 500w, 1kw, 3kw, 5kw, 10kw, 15kw

TV 100w, 300w, 500w, 1kw, 3kw, 5kw, 10kw

Digital TV 100w, 300w, 500w, 1kw

We also produce the rare power according to customer’s requirement, such as, 2kw, 4kw, 7kw

The minimum power we can produce is 15w and maximum power we can produce is 20kw.

5.Package and transportation

We adopt international standard fumigation wooden case. It is also according to customer’s requirement.

As to the transportation, our products can be transported by sea, by air or by train.

6.Warranty and after-sales service

It is one year after delivery. For the non-personal fault, we offer free maintenance and spare parts. After the warranty, we only charge the cost.


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