QAM modulator Character
1. Full compliance with the DVB-C standard channel coding
2. Support the full scope of the variable rate and symbol QAM mapping
3. Automatic stream filled with smart and delete the empty packet, air filtration and automatic package insert
4. Can be local and remote control
5. Enter Code flow rates
6. Rate data overflow warning
7. Stream format: Multi-program transport stream (MPTS) and single-program transport stream (SPTS)
8. PID filtering programs and support re-mapping (optional)
9. PCR support the re-calibration, PCR accuracy <+- 100ns
10. Through network control, monitoring and setting provider name
11. LCD, convenient and flexible operation
12. Stable operation, high reliability
Item
Description
Input Interface
Input Interface
ASI SPI
Impedance
75Ω
Input Code
< 120Mbps
Input Effected Code
< 56Mbps
RF Output
RF Output Frequency Range
47-870Mhz
IF Output Frequency
36/36.15/35.25MHz
Output Signal Bandwidth
1.15-8MHz
Frequency Step
1kHz
Output Level (1dB Step)
100-115dBuV
Output Interface
F connector
Impedance
75Ω
Stray Inhibit
> -60dBc
Phase Noise
< -90dBc/10kHz
SNR
> 50dB
Modulate Performance
Agreement
EN300429(DVB-C)
Mapping Methods
16, 32, 64, 128, 256 QAM
Symbol Rate
17 Mbaud/s
MER
> 40dB
Control
Front Panel
2 line 20 character LCD
Joystick
4 Keys 2function keys
Ethernet
10/100Base T Web, TCP/IP
Physical parameters
Dimension
1RUx 19” x 360mm
Net Weight
3KG
Power Supply
AC220 240V
Power
50W
Environment Parameters
Temp Range
Operation 0 & ordm; C -50 & ordm; C, Stock -20 & ordm; C -+ 70 & ordm; C