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Technical specification of digital
TV transmitter
DVB1G OF TESLA Company (Czech republic) makes.
|
1
|
Output power
|
1 KW
|
|
2
|
Load impedance
|
50 om
|
|
3
|
Operating frequency band
|
470-860 MHz
|
|
4
|
Instability of operating frequency | +\- 100 Hz |
|
5
|
Frequency response in channel bandwidth | +\- 0.5 dB |
|
6
|
Intermodulation distortion ( without output filter) ( with standard output filter) |
- 35 dB - 45 dB |
|
7
|
Out-of-band components in the output signal spectrum | - 60 dB |
|
8
|
COFDM modulator intermediate frequency | 8 36,15 MHz |
|
9
|
MPEG2 signal serial input | ASI |
|
10
|
Signal bandwidth | 8 MHz |
|
11
|
Size of carrier frequency mass | 8Ź (2Ź) |
|
12
|
Internal hierarchical modulation | QPSK,16QAM,64QAM |
|
13
|
Data rate | from 4.98 to 31.67 Mb\sec |
|
14
|
Cooling | air |
|
15
|
Industrial efficiency | not less 10 % |
|
16
|
Dimensions | 600õ925õ850 (mm) |
|
17
|
Power supply | 3õ380 V |
DVB1G transmitter is certified by the Russian
Ministry of Communication and Informatization, Certificate of conformity
# ĪŃ/1-ĪŅ-299.
 |
