The transmitter is the fifth generation of digital broadcasting TV transmitting equipment, which is compliant with main standards.

The equipment is composed of digital exciters, intelligent monitoring system, synthesizers, power amplifiers, filter, directional couplers, switching power supplies, lightning protection systems. Each unit is independent, high modularization, nice appearance, easy operation and maintenance.

Hooray 50 -100W UHF Terrestrial DTV Transmitters has great variety of products, and inherit the high performance, high stability and high reliability of Hooray’s branded product series. It may work in any frequency within UHF span, and the transmitting bandwidth can be up to 80MHz. In co-operation with our latest technologies of RF delay and co-channel interference rejection, this system can fulfill the needs of multi-frequency simultaneous transmission and large area coverage, especially suitable for wide coverage terrestrial DTV network in areas with complex local terrain.

This series of products with advance design and simplified architecture are small in size, with the advantage of lower noise, higher efficiency and outstanding anti-interference performance; support DVB-T, DVB-T2, DVB-C, DVB-S, DTMB and other various modulation modes, thus have great flexibility and suitability in actual deployment.

Main features

  • Excellent linear and nonlinear pre-correction technology and it supports base band self-adapting linear and nonlinear pre-correction technology
  • Friendly touch screen interface
  • Perfect protection and warning function
  • Strong remote monitoring system, supports RS232/RS485, RJ45 (TCP/IP), GSM shot massage interfaceGPRS wireless communication interface
  • Plentiful redundancy design (axial fans, switching power supply with flow equalization, dual exciters switching, hot plug power amplify module, large power in-phase distribution and synthesis)

Specification

General
Rated output power 50-100W
System DTMB/CMMB/DVB-T/T2/ISDB-T/Tb/ATSC
Work frequency 470-860MHZ
Min Frequency Step 1Hz
Frequency stability (three months) Internal reference source: ≤5X10-8

External reference source: ≤1X10-10

Frequency Accuracy MFN Mode: ±100 Hz

SFN Mode: ±1Hz

Local oscillator phase noise <60dBc/ Hz@10Hz; <90dBc/ Hz@100Hz;

<100dBc/ Hz@1kHz; <105dBc/ Hz@10kHz;

<120dBc/ Hz@100kHz; <135dBc/ Hz@1MHz;

Output Power Stability (after filtering) ±0.3dB
Output load reflection loss normal: ≥26dB

allowable: ≥20dB

Shoulder level ≤-36dBc (fc±4.2MHz)
In-band flatness ±0.5dB
MER ≥32dB
Transmit power in adjacent channel ≤-46 dB
Transmit power out of adjacent channel ≤-65 dB
Unwanted Emissions between Adjacent Channel ≤-45 dB, ≤13mW
Unwanted Emissions out of Adjacent Channel ≤-60 dB, ≤13mW
RF output load impedance 50Ω, L27K
Environment temperature -5℃~ 50℃
Relative humidity 95% (Non-condensate)
Altitude 3800 M
Working voltage three phase 380V±10%, Frequency: 50±1Hz (Single phase: AC110V±10%;50±1Hz for option)
Total power consumption ≤500W
Working noise 50dB
Dimension