Video and Audio 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: 470MHz —...

Send InquiryChat Now
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: 470MHz — 860MHz.

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

Rated output power :5KW.

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 Introduction

Our company is a high-tech manufacturer which integrates R&D, production, marketing, installation and service. At present, our company owns a full set of imported testing instruments, including Spectrum Analyzer, Vector Network Analyzer and Power Meter. In order to highlight the technical advantage of our products, we rely on the technologies of domestic scientific research institutes and University of Electronic Science and Technology of China. With our technial advantages, we have developed customized products that can meet the demands of customers, with quality improving perfectly.

Our main products include DVB-T transmitter, UHF/VHF transmitter, FM broadcast transmitter, MMDS/MUDS tranasmitter, and DVB head-end equipments. All equipment we produced have been widely used in the fields of radio and TV signal coverage and transmission. Due to our superior quality, good service and reasonable price, our products have won praises from many customers at home and abroad.

By now, our company has exported our products to Taiwan area, Laos, Indonesia, the Philippines, Somalia, Brazil, Russia and other regions and countries, and formed long-term business relationships with overseas customers.

We sincerely and warmly welcome your inquiry and purchase, and we will try our best to freely provide the best system design and engineering consultation for you. Give us a chance, and we will cherish every business opportunity to show our qualification.


FAQ

1.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.

2.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.

3.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.

4.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.

5.Installation and debugging

We can offer the service of installation and debugging. The buyer should provide the salary, room and board of our staff, as well as arranging the translator. Our staff only takes in charge the installation on the ground. We don’t take the aerial work and heavy manual work. The infrastructure construction and signal source should be offered by the buyer and settled before our staffs arrive at the site.


Hot Tags: video and audio transmitter, China, manufacturers, suppliers, factory, price, made in China
Related Products
Inquiry

Copyright © Anshan General Broadcasting Equipment Co.,Ltd All Rights Reserved.