Signal Processing Systems : Converters : Imagine Communications - SEL-DDA1

Selenio Dual D to A Converter, Dual DA Module

Model: SEL-DDA1

Dual D to A conversion
Single/Dual SDI/ASI DA function
Single/Dual SDI/Monitoring DA function (for SD)
Small SDI/ASI routing switcher function
Optional relay bypass (dual-channel capability)

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The Selenio™ SEL-DDA1-xxx provides multiple functions. Conversion from SDI (270 Mb/s) to analog composite (dual channels) adds NTSC/PAL and PAL-M outputs to the Selenio platform. The DDA can be used as a single / dual distribution amplifier, small routing switcher SDI / ASI and electrical <> fiber optic converter. If placed beside a Selenio frame sync (FS) or conversion (XD), the DDA may be used as a VEX video expansion module. The DDA may be placed in any open Selenio slot and has its own block diagram User Interface.

Dual D to A conversion
Single/Dual SDI/ASI DA function
Single/Dual SDI/Monitoring DA function (for SD)
Small SDI/ASI routing switcher function
Optional relay bypass (dual-channel capability)
Optional SFP for optical input and output

Connector: (High-Density) HD-BNC
Equalization: 3G: Adaptive cable equalization for up to 459 ft (140 m), typical, of Belden 1694A coaxial cable; 328 ft (100 m) for SEL-DDA1-REL version, typical; HD: Adaptive cable equalization for up to 656 ft (200 m) typical, of Belden 1694A coaxial cable; 524 ft (160 m) for SEL-DDA1-REL version, typical; SD: Adaptive cable equalization for up to 984 ft (300 m) typical, of Belden 8281 coaxial cable; 1,312 ft (400 m), typical, of 1694A Belden 1694A coaxial cable
Frame Rate: 1080i/p/psf: 23.98, 24, 25, 29.97, 30, 50, 59.94, 60 Hz 720p: 50, 59.94, 60 Hz; 525/625
Impedance: 75 ohms
Number of Inputs: 1 (-OOS back module); 2 (-EES, -REL, and -EOS back modules)
DC Offset: 0.0 V ±0.5 V
Return Loss: >15 dB to 1485 MHz; >10 dB from 1485 to 2790 MHz
Number of Outputs: 2 (-OOS back module); 4 (-EOS back module); 7 (-OES back module); 8 (-EES and -REL back modules)
Overshoot: <10%
Standard: 1080p (SMPTE 424M) 3G HD-SDI; 1080i/p (SMPTE 292M) HD-SDI; 720p (SMPTE 296M) HD-SDI; 525/625 component (SMPTE 259M-C, 270 Mb/s) SD-SDI
Rise and Fall Time: 3G: <135 ps; HD-SDI: <270 ps; SD-SDI: 400 to 1500 ps
Number of Channels: 2
Input Signal Types: SDI
Output (Converted) Signal Type: NTSC/PAL, PAL-M

Converter Signal Types - Video
Converter Type - Digital to Analog Converter

Selenio MCP Modules - Video/Advanced Audio Processing, Compression and Multiplexing Module

Selenio Dual D to A Converter 983 kb - Data Sheet

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Selenio Dual D to A Converter, Dual DA Module

Model: SEL-DDA1

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