MODEL: GME11D22
Specifications:200W UHF OUTDOOR DTV Transmitter Professional used for TV transmitter station
Standard: DTMB/DVB-T/DVB-T2
Frequency: UHF 470MHz~702MHz wideband
Output power: ≥200w
Product Introduction:200w Outdoor digital TV transmitter integrates the encoding and modulation motherboard, power amplifier module, switch power supply, and control board into an outdoor chassis. The chassis can be fixed by wall mounting, with waterproof external interfaces and support for wireless control and data transmission. Its appearance and internal structure are shown on left.
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Overview
The GME11D22 outdoor 200W transmitter is an all solid state digital TV transmitter equipped with a dedicated chassis. The design fully considers the characteristics of outdoor environments and has dedicated heat dissipation ports around it; Internally equipped with a cooling fan. The chassis can fully play the functions of waterproofing, heat radiation prevention, dust prevention, etc; And there are special bolt rods fixed to the ground on the base of the cabinet, and anti-theft locks are added to the cabinet doors. This model has a small footprint and compact structure, making it easy to install and use. It is mainly used in outdoor low-power digital TV transmitter equipment.
The outdoor 50W transmitter is designed with UHF full broadband and can be controlled through remote control software.
Features
1.The structural design fully considers the outdoor usage environment, anti-theft, heat-resistant, waterproof, etc.
2.Supports DTMB, DVB-T, and DVB-T2 standards.
3.Adopting LDMOS power transistor.
4.The transmitter can be remotely controlled through the Ethernet port.
5.Equipped with pre distortion correction function.
6.The power amplifier has overload, overheating, and overexcitation alarm functions as well as automatic protection functions.
7.All protection settings and loop settings are set using software, which is convenient and fast.
8.Air cooling method, forced air cooling.
9.SMS module can be added (optional).
No. |
Content |
Unit |
Technical Parameter |
|||
1 |
Frequency Range |
MHz |
UHF 470~702MHz |
|||
2 |
Output Power |
W |
≥200 |
|||
3 |
Output Power Stability |
dB |
±0.5 |
|||
4 |
Output Load Reflection Loss |
dB |
Normal Work≥26dB Allow Work≥20dB |
|||
5 |
RF Output Impedance |
Ω |
50 |
|||
6 |
Frequency Accuracy |
MFN |
Hz |
±100 |
||
SFN |
Hz |
±1 |
||||
7 |
Frequency Stability |
Internal 10MHz |
Hz |
≤1×10-7 |
||
External 10MHz |
Hz |
≤1×10-10 |
||||
8 |
SFN Stepped Frequency |
Hz |
≤1 |
|||
9 |
SFN Delay Adjustment Range |
mS |
0~969.9999 |
|||
10 |
Shoulder |
+4.2MHz |
dB |
≤-38 |
||
-4.2MHz |
dB |
≤-38 |
||||
11 |
Unevenness inband |
Fc±3.591MHz |
dB |
±0.5 |
||
12 |
MER |
dB |
≥32 |
|||
13 |
Adjacent Channel in Band Transmission Power |
dB |
≤-45 |
|||
14 |
Adjacent Channel Out of Band Transmission Power |
dB |
≤-60 |
|||
15 |
Phrase Noise |
10Hz |
dBc/Hz |
≤-60 |
||
100Hz |
≤-75 |
|||||
1KHz |
≤-85 |
|||||
10KHz |
≤-95 |
|||||
100KHz |
≤-110 |
|||||
1MHz |
≤-115 |
|||||
16 |
Efficiency |
% |
≥30 |
Working Temperature | 0~45℃ |
Allow Working Temperature | 0~50℃ |
Relative Humidity | ≤95% |
Atmospheric Pressure | 86~106Kpa |
Power Supply | 220V AC ;50Hz±1Hz |
Power Supply Power | ≤2000W |
Dimension | 1200mm(H)×600mm(W)×900mm(D) |
Interface
E-mail:dygme@163.com
Add: No. 21 Shuiyuan West Road, Liandong U Valley Science and Technology Park, Miyun District, Beijing, China