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AM2020T Modulator

AM2020T 1RU DVB-T/T2 modulator is the latest all-in-one modulator designed to provide a cost effective and high quality solution for broadcast network operators, system integrators and network services providers planning to deploy digital TV services over DVB-T, DVB-T2 networks in MFN or SFN environment.

•    Supports 2 × S/S2 tuner input

•    TS over IP input (UDP)

•    10 MHz input/loop out, 1PPS input/loop out

•    DVB-T/T2 T RF out in one device, multi-booting

•    IP (1 × MPTS over UDP) mirror RF output

•    Supports MISO and SISO

•    High performance output: MER > 43 dB, shoulder level > 56 dB

•    Supports non-linear and linear digital pre-distortion (DPD)

•    Constant temperature crystal oscillator, as high as 0.1 ppm stability

•    Supports LCD display and keyboard

•    Supports BISS descrambling

•    Web-based network management


Input

2 × S/S2 Tuner input


10 MHz reference clock input and loop out, BNC interface

TS input over IP port (UDP)


1 × PPS input and loop out, BNC interface


1 × RF input for DPD (‑25 dBm to +5 dBm)

DVB‑T2 Modulation




Standard

EN302 755 (T2) 

Mode

Single‑PLP

PLP Constellation

QPSK, 16QAM, 64QAM, 256QAM (normal or rotated)

L1 Post Constellations

BPSK, QPSK, 16QAM, 64QAM

FEC Length

Short(16K), Normal (64K)

FEC Rate

1/2, 3/5, 2/3, 3/4, 4/5, 5/6

Pilot Pattern

PP1 ‑ PP8

Guard Interval

1/128, 1/32, 1/16, 19/256, 1/8, 19/128, 1/4

FFT Mode

1k, 2k, 4k, 8k, 16k, 32k (normal or extended)

Bandwidth

5 MHz, 6 MHz, 7 MHz, 8 MHz

Net Mode

MFN

DVB‑T Modulation


Standard

EN300 744 (T)

FFT

2K, 8K

Bandwidth

5M, 6M, 7M, 8M

Constellation

QPSK, 16QAM, 64QAM

Guard interval

1/4, 1/8, 1/16, 1/32

FEC

1/2, 2/3, 3/4, 5/6, 7/8

Net Mode

SFN/MFN

Hierarchical Modulation

Alpha = 1, 2, 4

RF Out


Connector

N type, 50 Ω Impedance

RF Range

30 MHz to 960 MHz, 1Hz stepping

Output level ATT

‑25 dBm to +3 dBm, 0.1 db stepping

MER

>43 dB

Shoulder Level

>56 dB

System

LCD display, keyboard, and web network management


Supports software upgrading through network

Physical Characteristics


Dimensions (W × L × H)

482mm × 410 mm × 44 mm

Weight

4.8 kg

Operating Temperature

0 to 45 °C

Storage Temperature

‑20 °C to +80 °C

Power Supply

AC 220 V ± 10%, 50/60 Hz

Power Consumption

34 W

 


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