The DT-620 is an optical receiver that converts input optical signals into RF DVB-T signals to transmit them over a distribution network.

In order to cover a certain distance, the digital signal is converted into an optical signal through a converter (such as the DT-610) and once at the other end of the link, the DT-620 does conversion again to DVB-T, recovering the signal.

The module has an optical SC input and an RF type BNC output. Input is demodulated and optimized to broadcast on DVB-T and DVB-C digital channels.

At the BNC module output there is released an RF signal. Then it can be inserted into a distribution network with the advantages of robustness and high quality offered by the digital technology.

This module is suitable for optical links up to 40 km away (depending on the number of channels). The optical input supports wavelengths from 1100 to 1600 nm.

OPTICAL INPUT	From 1100 to 1600 nm (imput power from 1100 to 1600 nm)
RF OUTPUT	From 470 MHz to 862 MHz
LINK (WITH TRANSMITTER DT-610) Gain Flatness	0 dB ± 3 dB (at 0 dB of optical loss) 2 dB

Recommended options

DT-800B	Control unit and power supply.
DT-802	Control unit and redundant power supply modules.
DT-900	Rack and wall mounted structure.
DT-900B	Rack mounted structure.
DT-901	Empty module plates..
DT-902B	Power CAM modules for smart cards..
CC-043	Supply and control cable with 3 connexions for DT-800B (included)
CC-044	Supply and control cable with 4 connexions for DT-800B (included)
CC-143	Supply and control cable with 3 connexions for DT-802 (included)
CC-144	Supply and control cable with 4 connexions for DT-802 (included)
OP-XXX-V	Output in the range 170-650 MHz for modules with DVB-T..
OP-800-P	Option required to use DT-800B with 3 x DT-730 modules
OP-212-D	Dual independent output for DT-212B
OP-504-S	TS-ASI output option for DT-504B

	RECEIVERS WITH ASI-TS OUTPUT
DT-302	Dual DVB-S/S2 receiver with CAM, ASI-TS output.
DT-312	Dual DVB-T receiver, ASI-TS output.
DT-324-M	IP receiver to ASI-TS output (MPTS).
DT-324-S	IP receiver to ASI-TS output (SPTS).

	IP STREAMERS
DT-421-M	IP Streamer. ASI-TS inputs, IP output (MPTS)
DT-421-S	IP Streamer. ASI-TS inputs, IP output (SPTS)

	COMBINERS - AMPLIFIERS
DT-700	4x1 quadruple DVB-T combiner .
DT-710	8 input DVB-T combiner with a 117 dBuV (+10 dBm) one single output.
DT-722	4 input DVB-T combiner with a 129 dBuV / 250 mW (+22 dBm) one single output.
DT-730	DVB-T amplifier with a 137 dBuV / 1 W (+30 dBm).
DT-610	Optical transmitter module
DT-620	Optical receiver module

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