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4420 SDI to composite analog 10-bit DAC

Features

  • SDI to composite analog converter
  • Multi-standard output
  • 270Mb/s 525/625 operation
  • 4x or 2x over-sampling
  • 10 bit DAC
  • VBI control
  • Built-in test pattern
  • Blackburst output
  • Compact and rugged design
  • Locking connector for PSU
Control switches
  • NTSC/PAL output standard
  • Test pattern enable
  • Blackburst enable
  • VBI blanking control
Description

The 4420 is a full featured broadcast quality 270Mb/s SDI to composite analog converter. It is housed in an extremely compact and rugged aluminum case ideally suited to both studio and portable applications. The analog output is configurable to different types of NTSC/PAL via switches on the end of the unit. These switches also control the output of built-in test pattern, VBI control and blackburst output.
Specifications
SDI input

Performance

Standards

SMPTE 259M 270Mb/s 525/625 SDI

Differential gain

<0.3%

Connector

75ohm BNC

Differential phase

<0.5º
Signal level 800mV p-p ±10% Delay <10nS
Return loss >15dB 5-270MHz Input 10-bit 4:2:2

Cable equalization

Up to 100m automatic (Belden 8281)

Quantization

 10-bit DAC
Analog output Power

Standards

NTSC (USA or Japan) PAL (B,D,G,H,I)

Voltage

6-12V DC
Connector 75ohm BNC Current 250mA

Signal level

1V p-p ±10%

Power connector

Locking 2.5mm jack connector

DC offset

±100mV

Other

Return loss 36dB to 5MHz LED Shows signal presence
Test pattern 75% color bars (SDI input required) Temperature range 0ºC to 45ºC
Blackburst output Blackburst timing reference signal Dimensions 3¼ x 2½ x 1¼
.. Weight 6 oz
Ordering Information
4420 SDI to composite analog 10-bit DAC 4010 1RU rack mounting frame with central PS for up to 5 units
4000 External power supply 4020 2RU rack mounting frame for up to 14 units with single or dual PSUs
opt3 4021 Central power supply for 4020 2RU rack mounting frame
Preliminary data sheet. We reserve the right to change technical specifications without prior notice.
The ISIS Group, Inc.
119 E. McKnight Way, Unit A
Grass Valley, CA 95949
USA
Phone: 530-477-2984 Fax: 530-477-2986



Internet: www.isis-group.com
Email: ldole@isis-group.com

 

11-08