Long Range 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 —...
Equipment rated specification
●Power range: ~AC380V±10；220V±20%
●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
Working frequency: 174MHz — 223MHz.
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%
Anshan General Broadcast & TV Equipment Co., Ltd.(AGBE) is located in Anshan High-Technology Zone, Anshan City, Liaoning Province, China, integrating the design, manufacture, and sale of innovative products in the wireless and cable communication industry. We mainly focus on two markets currently:
1) Digital terrestrial TV transmission (China standard, DVB-T/H)
2) Digital cable TV transmission (DVB-C standard)
Our products mainly include china digital terrestrial TV standard equipment, such asdigital tv transmitter, analog tv transmitter,fm transmitter. Each year, we continue to add more features to our products.
Beyond standard products, we also offer customized products including OEM components and solutions.
Technical Core Competency:
We boast a strong staff of qualified electronic and software engineers and master engineers. With rich technical resources, we are capable of meeting the technical and service requirements for any scope of project. Our company will continue to invest heavily in the field in the future to ensure that new products will be developed, along with ongoing improvements for existing products.
Solutions for some key international standards: DVB-C/DTMB/DVB-T
Digital channel modulators: COFDM
Terrestrial SFN and MFN solutions such as DTMB and DVB-T
Our partners cooperate with value-added resellers and system integrators around the world to complete network solutions with individual products and services.
We also offer technologies and components for other equipment manufacturers:
1) OEM service
2) Re-branded platforms
3) Engineering design and consulting services
We can rapidly support the new market with emerging solutions and applications of any standard in time.