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Help CenterCOL5600J 64 Qam Dqpsk Qpsk Isdb-t Modulator,rf Modulator rf Modulator
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Specifications
1. DVB TS input, TS multiplexing, re-multiplexing and multiplexed frame generating2.ISDB-T BTS input
3.4 channel ASI input
Outline
COL5600J ISDB-T modulator is developed to adapt Japan, Brazil, Argentina and other South American country’s terrestrial digital television, the modulator's channel coding and modulation mode is fully complying with the ARIB STD-B31 standard. This ISDB-T modulator supports four TS hot backup input, single frequency network and multi-frequency network, linear and nonlinear pre-correction function, layered transmission and the three transmission modes mentioned in the standard. Furthermore, this device can be upgraded and controlled through network system, which can be widely used in ISDB-T digital broadcasting network's setting up and set-top box design's production and test.
Features
- Fully complying with ISDB-T (ARIB STD-B31) and ISDB-TB standard
- Single frequency and multi-frequency network
- Layered transmission with A, A+B, A+B+C hierarchy modes
- DVB TS input (without IIP packet), TS multiplexing, re-multiplexing and multiplexed frame generating;
- ISDB-T BTS input (with IIP packet), IIP packet parsing and multiplexed frame generating
- Three transmission modes: mode1(2k), mode2(4k), mode3(8k)
- Liner and nonlinear pre-correction function
- MER≥40db
- RF output range: 40~860MHz in 1Hz step
- 4 channel ASI input, hot backup
- Constant temperature crystal and excellent frequency stability
- RF output range of 100~860Mhz, 1hz step
- 2 ASI inputs with loop out and hot-backup online
- Constant temperature crystal oscillating and excellent frequency stability(reach up to 0.1ppm)
- LCD display, keyboard and NMS operation
Specification
Signal input |
4 Way ASI input, hot backup, BNC interface |
|
GPS 10MHz reference clock input, BNC interface | ||
GPS 1PPS input, BNC interface | ||
Connector Specifications: BNC Block, impedance 75Ω | ||
Modulation |
Standard |
ARIB STD-B31 |
Mode |
mode 1(2k),mode 2(4k),mode 3(8k) |
|
Constellation |
DQPSK,QPSK,16QAM,64QAM |
|
External coding |
RS (204,188) |
|
Internal coding |
Convolution (1/2,2/3,3/4,5/6,7/8) |
|
Guard interval |
1/4,1/8,1/16,1/32 |
|
Hierarchy mode |
A,A+B,A+B+C |
|
Time domain interlacing |
mode 1:0,4,8,16 mode 2:0,2,4,8 mode 3:0,1,2,4 |
|
Bandwidth |
6MHz,7MHz,8MHz |
|
RF Out |
Connector |
N Type, 50ΩImpedance |
RF range |
40~860Mhz,1hz step |
|
Output level ATT |
-16dbm~+3dbm,0.5db step |
|
MER |
≥ 40db |
|
System |
LCD display, keyboard and NMS operation |
|
Supporting software upgrading through network | ||
General |
Demission (W*L*H) |
480mm×457mm×45mm |
Weight |
7kg |
|
Temperature |
0~45°C(operation),-20~80°C(storage) |
|
Power supply |
AC 100V~240V,50/60Hz |
|
Consumptio |
22W |
|
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