Customization: | Available |
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Type: | DVB-T |
Certification: | CE, ISO, RoHS |
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Gospell GT-5900A-50 indoor terrestrial digital TV transmitter, with working frequency band 470-702MHz, it has flexible configuration, adhering to the consistent high index, high stability and high reliability of Gospell products, it can fully meet the multi-frequency point transmission and is especially suitable for the terrestrial digital TV network with complex geographical terrain and wide coverage.
Characteristics | Item | Parameter |
Power | AC input voltage range | 220V±20%(176~264V) |
AC input frequency range | 50±10%Hz | |
Rated power consumption | ≤330w | |
Number of power modules | 1 | |
Operating/Storage Environment | Working Temperature Range | Allow to work:0°C ~50°C Normally work:5°C ~45°C |
Storage Temperature Range | -25°C ~60°C | |
Air pressure range | 86~106Kpa | |
Humidity range | Allow to work≤95% Normally work≤90%(20°C) |
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Mechanical | Dimension(Length*Width*Height) | 800×600×1000mm(Length*Width*Height) |
Weight | <90kg |
Characteristics | Item | Parameter |
TS input | Interface Type | BNC,75Ω, female |
Specification | 188/204 selft-adaptive | |
10MHz clock input | Interface Type | BNC, 50Ω, female |
Specification | -5dBm~12dBm | |
1pps input | Interface Type | BNC,50Ω, female |
Specification | TTL, rising edge trigger | |
Output monitoring | Interface Type | SMA, 50Ω, female |
Specification | coupling-70dB | |
Remote control and monitoring interface | Interface Type | RJ 45, RS485 |
Specification | 10/100M self-adaptive,DB9 (male) | |
RF input interface | Interface Type | N-type ,50Ω, female |
Level range | 100dBu±8 | |
RF output interface | Interface Type | N-type,50Ω,female(optional L27,50Ω,female) |
Output Load Impedance Nominal Value | 50ohm | |
Return loss of output load(8MHz) | Normally work:≥28dB Allow to work:≥22dB |
Characteristics | Item | Parameter | ||
RF output | working frequency | 470 ~702MHz | ||
Output Power | ≥47dBm(50W) | |||
SFN mode frequency adjustment step size | 0.1Hz | |||
Frequency Accuracy | MFN mode | ±100Hz | ||
SFN mode | ±1Hz | |||
Frequency Stability(3 months) | Internal Reference Source | ≤1.0*10-7 | ||
external reference source | ≤1.0*10-10 | |||
LO phase noise (offset center frequency) | @10Hz | <-65dBc | ||
@100Hz | <-80dBc | |||
@1KHz | <-90dBc | |||
@10KHz | <-100dBc | |||
@100KHz | <-110dBc | |||
@1MHz | <-120dBc | |||
Power stability | ≤±0.3dB | |||
Out-of-band spectral characteristics | -12MHz | ≤-115dBc | ||
-10.75MHz | ≤-110dBc | |||
-9.75MHz | ≤-110dBc | |||
-5.75 MHz | ≤-100dBc | |||
-4.94 MHz | ≤-90dBc | |||
-3.9 MHz | ≤-40dBc | |||
+3.9 MHz | ≤-40dBc | |||
+4.25 MHz | ≤-100dBc | |||
+5.25 MHz | ≤-100dBc | |||
+6.25 MHz | ≤-100dBc | |||
+10.25 MHz | ≤-110dBc | |||
+12 MHz | ≤-115dBc | |||
DS-36 strict spectrum mask | -12MHz | ≤-122dBc | ||
-6MHz | ≤-95dBc | |||
-4.2MHz | ≤-83dBc | |||
-3.8MHz | ≤-35dBc | |||
+3.8MHz | ≤-36dBc | |||
+4.2MHz | ≤-88dBc | |||
+6MHz | ≤-99dBc | |||
+12MHz | ≤-122dBc | |||
Shoulder (off-center frequency) | +4.2MHz | ≤-39dBc | ||
-4.2MHz | ≤-39dBc | |||
In-band unevenness (Fο±3.591MHz) | ≤±0.3 dB(In non-dual pilot mode) | |||
Transmit power in the lead channel | ≤-50 dB | |||
Out-of-band transmit power | ≤-65 dB | |||
MER | ≥38dB | |||
Overall efficiency | ≥15% |