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MDB02A DMB-T modulator

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DTMB-T Modulator







Main Features

  • Completely support GB20600-2006;

  • Support both SFN and MFN;

  • Support both single carrier and multicarrier;

  • Support linear and nonlinear pre-correction;

  • Excellent phase noise and MER performance, MER≥42db;

  • RF output range: 36~960Mhz, 1hz stepping;

  • 4 ASI inputs, supporting hot-standby;

  • Adopt OCXO, frequency stability is up to 0.1ppm;

  • LCD & button o peration;

  • Support NMS.


Technical Specification


Input

4 ASI inputs, support hot-standby, BNC

GPS 10Mhz reference Clock input, BNC

GPS 1PPS input, BNC

Modulation

Standard

GB20600-2006

FFT

1,3780

Constellation

4QAM-NR, 4QAM, 16QAM, 32QAM, 64QAM

Frame Format

420, 595, 945

FEC

0.4, 0.6, 0.8

Interleaving Depth

240, 720

RF Output

Connector

N-connector, impedance 50Ω


36~960Mhz, 1hz stepping

Output Level

-16dbm~+3dbm, 0.1db stepping

MER

≥ 42db

Linear Pre-correction

Correction Point

16

Nonlinear Pre-correction

Correction Point

512

System

Support LCD & Button operation, NMS, and Chinese-English interfaces

Software can be upgraded via network

General

Dimension(Width x Length x Height)

××

Weight


Temperature

0~(Working), -20~(Storing)

Power Supply

AC 110V±10%, 50/60Hz or AC 220V±10%, 50/60Hz

Power Consumption

28.6W



Overview


Frequency range of this modulator is 36~960Mhz; with excellent RF output performance and frequency stability; support local and remote parameters configuration. It can be widely used in DMB-T digital broadcasting network construction and STB production & test.