TV 1KW Technical indicators:
Output power: 1 kw
Adjustable system: 87.5%
Image/sound power ratio: Now
Image output power changes: + / - 0.25 dB
Second, the video index
Input impedance: 75 Ω
Input level: 1.0 V
Image carrier frequency stability: + 200 Hz/month
Group delay - frequency response: ± Fifty ns
Brightness not red distortion: < 10%
Differential gain: Plus or minus 5%
Differential phase: ± 4 o
Color brightness gain poor: 10% or less
Color bright time delay difference: ± 30 ns
Continuous random noise ratio: Was 52 dB
Three, sound index
Audio input: 0 dBm ± 6 dBm
Input impedance: 600 Ω / 10 kw Ω Balance or imbalance
Maximum deviation: ± Fifty kHz
Pre-emphasis time constant: Fifty us
Audio harmonic distortion: 1% (30 Hz - 15 kHz)
Four, working conditions
Working temperature temperature: 5-40degrees Celsius
Relative humidity: < 95% non-condensing
Power supply: 220 V or 380 V) plus or minus 20% fifty Hz ± 1 Hz
Cooling mode: Air cooling
Since 1993, Hangzhou hangchun broadcasting and television equipment Co., Ltd engage in the design and manufacture of FM and TV transmission equipment. After 2 decades development, we become one of top 10 well-known manufacturers and solution provider of transmitter in domestic market. During last 20 years, we concentrate on TV & FM transmitter innovation as well as upgrading. Meanwhile, many other related businesses are put into operation. We are so proud of being the first broadcast and TV transmitter company in China who pass the ISO9001. We are also the first company obtaining the National Industrial products permit license and the permit license of State Administration of Radio Film and Television.
Thanks to the fast development recent years, a new modern factory is in construction in Xiasha, covering an area of 69756.76 square meters. In addition, we have one complete digital TV set-top box production line in Shenzhen, which represents the future development trends. Our main products and services include: broadcasting transmitter, analog and digital TV transmitter, antenna and feeder system design and installation, digital TV SFN scheme optimization design, new generation Common-frequency broadcasting, monitor system and UPS system, CMMB, UHF RFID reader, UHF RFID module and tags. We will keep making the up-to-date equipment and providing first-rate service to all customers.
With so many years development, our company has attracted many professional staff in marketing and engineering team. Most of them engaged in TV and FM equipment industry for more than 10 years. R & D team is the foundation of our company and will always be. Depending on our reliable and stable products, we win the bid of State Administration of Radio Film and Television in 2010, 2011 and 2012.
