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4 SPECIFICATIONS

EH244 Specifications

Multiplexer Specifications

Program Filtering and Grooming Each encoder output can be disabled or output to any or all output

channels

Multiplexer All programs directed to each output are multiplexed into a correct

multi-program transport stream

ASI Outputs An optional ASI output board may be ordered that mirrors the 4 QAM

channel output transport streams

PSIP Table Handling

PSIP Table Rewriting Supported

MGT/VCT Table Generation Supported

SCTE18 EAS Generation Supported

Modulator Specifications

Modulation Modes: 64, 256QAM ITU j.83 Annex B

16, 32, 64, 128, 256QAM ITU j.83 Annex A

Symbol Rates: 1-7Msps variable, with presets for Annex B

Frequency Coverage: 54-1002MHz, up to 4 frequency-adjacent channels

Channel Plans: Standard CATV, HRC, IRC, Broadcast

Max Output Power: +54dBmV

Min Output Power: +42dBmV

Output Level Accuracy: ±2dB

Phase Noise: < −108dBc/Hz@10kHz offset

Broadband Noise: < −75dBc@12MHz offset in a 6MHz bandwidth

MER: >44dB equalized

Channel Frequency Response: <1dB

Carrier Suppression: >80dB

I/Q Imbalance: <1 degree

Spurious Emissions: <-60dBc

Temperature Rating 0-50C ambient

Form Factor 2RU 19'' rack enclosure

Dimensions 14.25''D x 3.5''H x 19'' W

Weight 9.5 lbs

Power Requirements 90-260VAC 65W maximum

Specifications subject to change without notice or obligation.

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DRAKE EH244 Manual de Instruções Página 4