NDS3548B MPEG2/MPEG4 8 in 1 CVBS to CATV QAM modulator

Input

8 CVBS (or HDSDI) input, BNC interface

8 pairs unbalanced stereo audio input, BNC interface

1 ASI input, BNC interface

Video

Resolution

PAL:720*576i; NTSC: 720*480i

Encoding

MPEG-2; H.264

Bit-rate

0.5~15Mbps for H.264 encoding

1~15Mbps for MPEG-2 encoding

Rate Control

CBR/VBR

Aspect Ratio

4:3, 16:9

Advanced Pretreatment

De-interlacing, Noise Reduction, Sharpening

Audio

Encoding

MPEG1 Audio Layer 2; LC-AAC; HE-AAC;            DD AC3 (Optional)

Sampling rate

48KHz

Bit-rate

32Kb/s~384Kb/s (LC-AAC or HE-AAC)

64Kb/s~384Kb/s (MPEG1 Audio Layer 2)

ATSC Modulator Section

Standard

ATSC A/53

Constellation

8 VSB

RF Output Level

26~-10dbm (81~97dbµV), 0.1db step

MER

≥42dB

RF frequency

30~960MHz, 1KHz step

DVB-T Modulator Section

Standard

EN300744

FFT mode

2K, 8K

Bandwidth

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

MER

≥42Db

RF frequency

30~960MHz, 1KHz step

RF out

2*RF COFDM DVB-T out (2 carriers combined output);

Double output bandwidth

RF output level

-30~ -10dbm (77~97 dbµV), 0.1db step

DVB-C Modulator Section

Standard

J.83A, J.83B, J.83C

MER

≥42dB

RF frequency

30~950MHz, 1KHz step

RF output level

-30.0~ 0.0 dbm (77~107 dbµV), 0.1db step

Symbol rate

2.5 – 4.66 Msps, 5.0 - 8.0 Msps

J.83A

Constellation

16/32/64/128/256QAM

bandwidth

8M

J.83B

Constellation

64QAM, 256QAM

bandwidth

6M

J.83C

Constellation

64QAM, 256QAM

Bandwidth

6M

Multiplexing

1 ASI input multiplexed with local 8 channels of TS

Stream Output

2*ASI output, BNC interface

MPTS/8*SPTS over UDP or RTP/RTSP, 100Base-T Ethernet interface (UDP/RTP/RTSP unicast / multicast)

System Function

Low Latency achieved (Normal, mode 1 and mode 2 optional)

LCD/keyboard and Web-based NMS operating

System Language: English

Ethernet software & hardware upgrade

Miscellaneous

Dimension (W× L× H)

482mm×410mm×44mm

Approx weight 

4kg

Temperature

0~45℃(work),  -20~80℃(Storage)

Power

AC 100V-220V±10%, 50/60Hz

Consumption

25W