Tuesday, January 25, 2011

Digital TV transmitter 50W/100W/200W



digital TV transmitterDigital TV transmitter Quick Details
Place of Origin: Sichuan China (Mainland) Brand Name: XICOH Model Number: XG300UT


Specifications

Digital TV transmitter
1.High reliability
2.Easy,reliable and powerful
3.Highly cost-effective
4.Perfect protection.

50W/100W/200W digital TV transmitter

Functions

High reliability, backup redundant design to achieve zero rate of inactive

·Synthesis of multi- power amplifier modules with the same average output power.

·Multi- switching power supply, adaptive adjusts working status.

·Switch between automatic control system and hands control system freely.

Intelligent management and monitoring

·Provide complete technical data detection, monitoring system and control software.

·Self-diagnosis function

·The technical parameters of the machine can be read on LCD panel.

Perfect protection

·Provide protection of too large standing wave rate, overheating, over-excited and lightning.

·Switching power supply with protection of too large standing wave rate, overheating, over-excited and lightning

Unique structural design Convenience to debug, maintain and transport.

·Modular design

·Hot-swappable design: power amplifier modules and switching power supply plug,

·High reliability

·Reliable quality and high stability beginning power

·Power high, nice scope of regulators

·Compatible with a variety of formats:

·DVB-T, GB DTTB, CMMB and many other formats

·Can achieve a transmitter compatible with two standards or digital simulation of one machine.

Technical Parameter
RF amplitude-frequency characteristic (the RF center frequency as the base)
shoulder drop
better than-37dB
Band fluctuation
±0.5dB
Modulation error rate MER
better than 33dB
SFN function
TS101 191
Power supply
three-wire system of mutual
Voltage
220V/380V +10%, 380V-5% (AC)
Frequency
50±1Hz
Storage temperature
-20~60
Operating temperature
0~45
Relative Humidity
95% or less, no condensation
Altitude
2500 meters below
Cooling
forced air-cooled
Scope of application
MFN/SFN
TV channels
UHF channels designated
Output power
50W/100W/200W
Standard
DMB-T/DVB-T
Frequency stability
SFN (with GPS) 1 × 10-9
Multi-frequency network (with GPS) 1 × 10-7
Input characteristics
Digital base-band signal
ASI
External frequency base
10MHz,BNC 50Ω, ±12.5Db
External time base
1PPS,BNC 50Ω,TTL
Remote Control Interface
RS-232/485

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