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DM240XR High-Speed Digital Modulator Technical Specifications

MN-DM240XR– Revision 13 7–3

0.25

0.35

Terrestrial Input Clock Accuracy: 400 ppm (max)

Test Pattern: Internal 2

-1 and 2

-1 Pseudo-Random Number

Generators

Consult Factory on ACM & VCM, Multiple Transport Streams and Generic

Transport Streams Input Stream Synchronizer & Null Packet Deletion

7.3.3 DVB-S2-ACM (Normative Features with Single Transports streams)

Compliance ETSI EN 302 307 v1.1.1 (normative)

Modulation Types: QPSK, (8PSK, 16APSK & 32APSK Optional)

Transport Streams Single MPEG Packetized Transport Streams

Data Rate: (QPSK): 1 to 54 Mbps in 1 bps steps

(8PSK): 2 to 118 Mbps in 1 bps steps

(16APSK): 2.6 to 160 Mbps in 1 bps steps

(32APSK): 3.5 to 200 Mbps in 1 bps steps

Symbol Rate: 1 to 45 Msps in 1 sps steps

Terrestrial Framing: 188 (1 sync byte, 187 payload bytes)

Baseband Processing: Per ETSI EN 302 307 v1.1.1

Block Size: 64 Kbits & 16Kbits

FEC Code: BCH + LDPC

Interleaver: Block Interleaver, per ETSI EN 302 307 v1.1.1

Inner Code Rate: (QPSK): 1/4, 1/3, 2/5, 1/2, 2/3, 3/4, 3/5, 4/5, 5/6, 8/9,

9/10

(8PSK): 3/5, 2/3, 3/4, 5/6, 8/9, 9/10 Optional

(16APSK): 2/3, 3/4, 4/5, 5/6, 8/9, 9/10 Optional

(32APSK): 3/4, 4/5, 5/6, 8/9, 9/10 Optional

Baseband Roll-Off Square Root Raised Cosine

0.20

0.25

0.35

Terrestrial Input Clock Accuracy: 400 ppm (max)

Test Pattern: Internal 2

-1 and 2

-1 Pseudo-Random umber

Generators

Dummy Frame Insertion Yes

IMPORTANT

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Radyne DM240XR Especificaciones Pagina 87