Product ManualManual

The 7731DAC-HD is a professional quality digital to analog converter for HDTV. The 7731DAC-HD supports all signal standards specified in SMPTE ST 274 and SMPTE ST 296.

Card edge control allows the user to select RGB, YPrPb or VGA outputs. User controlled 4:3 alignment markers also allow for convenient framing of the video signal. The 7731DAC-HD is available in two versions to easily interface to standard broadcast monitors or VGA computer monitors.


  • Support for all SMPTE ST 274 and ST 296 video formats
  • Full 10-bit Broadcast quality
  • 4:4:4 Interpolated Component Output
  • Card edge selectable YPrPb/RGB/VGA outputs
  • GPI controllable 4:3 alignment markers
  • Optional rear connector plates for use with VGA computer monitors
  • VistaLINK® capable for remote monitoring, control and configuration capabilities via SNMP; using VistaLINK® PRO, CP-2116E or CP-2232E Control Panels. VistaLINK® is available when modules are used with the 3RU 7800FR frame and a 7800FC VistaLINK® Frame Controller module in slot 1 of the frame

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Serial Video Input
StandardSMPTE ST 292-1
Number of Inputs1
ConnectorBNC per IEC 61169-8 Annex A
EqualizationAutomatic 125m @ 1.5Gb/s with Belden 1694A (or equivalent)
Analog Video Output
StandardSMPTE ST 274, ST 296
Signal Level1V p-p (YPrPb/RGB) or 0.7V p-p (VGA)
Sync300mV or 4V per nominal
7731DAC-HD4 BNC per IEC 61169-8 Annex A
7731DAC-HD+VFemale High Density DB-15
DC Offset0V ±0.1V
General Purpose Inputs+V Option
TypeOpto-isolated, active low with internal pull-ups to Vext pin. May be internally jumpered to +5V
Number of Inputs4
ConnectorMale High Density DB-15
Signal Level+5V nominal
Voltage+12V DC
Power9 watts
EMI/RFIComplies with FCC Part 15 Class A, EU EMC Directive
Number of Slots1

Ordering Information

7731DAC-HDHD-SDI to HD Component Analog or (optional VGA) Converter
Ordering Options
NotesRear plate must be specified at time of order - eg: [model]+3RU
+VVGA Output
Rear Plate Suffix
+SAStandalone Enclosure Rear Plate
+3RU3RU rear plate for use with 350FR, 7700FR-C, 7800FR or 7801FR Multiframes
350FRPortable Multiframe which holds 7 single slot modules
7700FR-C3RU Multiframe which holds 15 single slot modules
7800FR3RU Multiframe which holds 15 single slot modules
7801FR1RU Multiframe which holds 4 single slot modules
S7701FR7700 Series Standalone Enclosure