1000W VHF/UHF analog TV broadcasting equipment air-cooling

Location:
ry/Region:, China ( Mainland)
Status:
New
Sample Availibility:
yes
Payment Terms:
Cash, Bank Transfer, Letter of Credit, T/T, L/C

Product Description

1KW VHF/UHF analog TV broadcasting equipment air-cooling

l the unit adopts single channel,image and audio transmission.

² standby redundancy design,achieves zero off the air.

² Exciter standby redundancy design: main and standby exciter changes over automatically.

² Amplifier standby redundancy design: The unit consists of 3X550W UHF amplifier modules or 2X750W VHF amplifier modules.

² Power supply standby redundancy design: Four paralleled 2.5KW switching power supply.

l Smart and networking, achieves remote control by PC interface.

² Perfect data monitor system and computer monitor software.

² Self-diagnostic and self-modulation function.

² All technical parameters monitored by LCD at main control panel.

l Exciter has predistortion modulation interface to adjust main technical settings by remote controlled computer.

l Perfect protections reduce its breakdown in special environment.

² Has high SWR, overheat, over exciting, lack-of-phase, anti-lighting etc. protections.

² SMR has overvoltage, overcurrent, undervoltage, over temperature, short circuit, anti-lighting etc. protections.

l Exciter adopts video AGC technology, surface acoustic wave filtering technology, PLL frequency synthesis technology, DDS carrier frequency precision deviation technology, large scale IC technology and surface mounting technique.

l Unique structure design, convenient commission, maintenance and transportation.

² Hot swap technology, amplifier and switching power supply hot swappable.

² High reliability, modular structure for convenient maintenance and upgrade.

Specification:

No.

Item

Specification

1

Line time wave distortion

≤2%

2

2T sine-square wave distortion

≤2%

3

Luminance nonlinear distortion

≤9%

4

Differential gain

≤±5%

5

Differential phase

≤±4°

6

C/L gain difference

±10%

7

C/L delay difference

±30ns

8

Carrier frequency parasitic phase modulation

±5°

9

Video input

0dBm±6dBm,600Ω balance

10

Pre-emphasis time constant

50μs

11

Max frequency deviation

±50KHz

12

Audio frequency amplitude-frequency feature

±1dB(30Hz~15KHz)

13

FM clutter signal-to-clutter ratio

≥60dB

14

Amplitude modulation noise(non modulation)

≤-50dB

15

Power voltage

380V±15%/50Hz

16

Dimensions

1000mm(D)*581mm(W)*1960mm(H)



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Contact Information

Company:
 Beijing Tongfang Gigamega Technology Co., Ltd.
Phone Number:
  gion:China (Mainland)Country/Region:end
Fax Number: