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7730DAC & 7730DAC-A4

SDI D to A Component Analog Video Converter

Product ManualManual
  • VistaLINK® enabled

The 7730DAC line of serial digital video to component analog converters are broadcast quality D to As with an extensive list of additional features. High quality digital to analog conversion of audio can be packaged with the video to create a D to A frame synchronizer with audio demux. In addition, Evertz fault monitoring processing will analyze and report video and audio problems via an On-Screen-Display, or remotely via VistaLINK® SNMP.

Features
  • D to A process:
  • 12-bit, over sampled video DACs
  • SMPTE/EBU N10, Betacam, MII and NTSC specific standards supported
  • Y, Pb, Pr or G, B, R output format
  • Selectable setup pedestal
  • Black level and gain controls of all components
  • 300mV separate composite sync output
  • The Features of all 7730DACs are:
  • SDI 525 or 625, 270MB/s component digital video input
  • One 270MB/s re-clocked SDI output
  • Four output BNCs for Y, Pb, Pr or G, B, R and composite sync
  • One composite analog output on BNC for monitoring and control
  • One frame video synchronizer (with +S option)
  • Infinitely variable output phase (27MHz clock increments)
  • Freeze modes: black, freeze, pass
  • Menu adjustable free running frequency
  • VU/PPM bar graph level Indicators
  • Decodes vertical interval time code (VITC) and "burns" the time code into the monitoring output picture
  • A comprehensive on-screen display is available to configure the various features of the module
  • Flexible configuration of the text and audio bar graph information displays
  • An extensive list of error conditions can be monitored and fault conditions can be configured from these conditions
  • On-screen messages can be triggered by the configured fault conditions
  • VistaLINK® capable for remote monitoring via SNMP (using VistaLINK® PRO) when installed in 7800FR frame with a 7800FC VistaLINK® Frame Controller
  • The Features of "-A4" option are:
  • One group (four channels) of synchronous 20-bit audio is de-multiplexed from the incoming digital video
  • Two unbalanced AES audio inputs (up to 48kHz, 24 bits) on BNC
  • User selects either the de-embedded audio or the input AES audio
  • The selected audio is delayed equivalently to the video delay with the +S option
  • Four high quality 24-bit audio channels are output (analog) as balanced on two removable barrier strips
  • Low impedance outputs (66Ω)
  • Analog audio output levels are adjustable
  • Additional audio delay of up to five seconds
  • Additional audio advance of up to one frame, depending on video delay
  • Loss of video modes: pass audio, mute audio
Block DiagramBlock Diagram

Specifications

Serial Video Input
StandardSMPTE ST 259-C -525 or 625 line component
Number of Inputs1
Number of Reclocked Outputs1
ConnectorBNC per IEC 61169-8 Annex A
Return Loss> 15dB to 270MHz
Embedded AudioSMPTE ST 272-A
Frequency Lock Range±75ppm from nominal
Analog Video Output
StandardsSMPTE/EBU N10, Betacam, MII and NTSC specific standards. GBR or YPbPr formats with or without setup
Number of Outputs1
Connectors4 BNCs per IEC 61169-8 Annex A
Video Signal Level1V nominal
Sync Signal Level300mV nominal
Output level control range> ±7.5% (All components)
Black level control range±10 IRE
Input Impedance75Ω
Return Loss> 40dB to 10MHz
Reference Video Input
StandardNTSC, SMPTE ST 170 PAL, ITU624-4
Number of Inputs1
ConnectorBNC per IEC 61169-8 Annex A
Signal Level1V nominal
Frequency Lock Range±75ppm from nominal
Input Impedance75Ω or High impedance (jumper selectable)
Return Loss> 35dB to 10MHz
Video Performance
Frequency Response< ±0.1dB (100kHz to 4.1MHz)
Noise Floor< -73dBms (15kHz to 5MHz)
Inter-channel Delay< ±5ns
Minimum Delay3ms
Maximum Delay1 frame plus 3ms
Analog Audio Outputs-A4 only
Number of Outputs4
TypeBalanced analog audio
ConnectorTwo 6-pin removable terminal strips
Output Impedance66Ω balanced
Sampling Frequency48kHz
Signal Level0dBFS a 12 to 25dBu (user-settable)
Frequency Response< ±0.05dB (20Hz to 20kHz)
Dynamic Range24 bits when AES inputs selected, 20 bits when embedded audio selected
THD+N< 0.001% (> 100dB) @ 1kHz, -1dBFS
Crosstalk< -105dB (20Hz to 20kHz)
DC Offset< ±30mV
SNR> 110dB "A" Weighting
Inter-Channel Phase Error< ±1°(20Hz to 20kHz)
AES Audio Inputs-A4 only
Number of Inputs2
Input StandardSMPTE 276M, single-ended synchronous or asynchronous PCM AES
ConnectorBNC per IEC 61169-8 Annex A
Resolution24 bits when AES inputs selected, 20 bits when embedded audio is selected
Input Sampling Rate32kHz to 48kHz when AES inputs selected, Synchronous 48kHz when embedded audio is selected
Minimum I/O Delay3.5ms
Electrical
Voltage+12V DC
Power10 watts DAC +7.5 watts
(-A4 option) = 17.5 watts
EMI/RFIComplies with FCC Part 15, Class A
EU EMC Directive
Physical
Number of Slots
Non-audio Versions1
Audio versions (-A4)2
Stand Alone Enclosure
Dimensions14" L x 4.5" W x 1.9" H
(355mm L x 114mm W x 48mm H)
WeightApprox. 1.5lbs (0.7kg)

Ordering Information

7730DACSDI to Component Analog Video Converter
7730DAC-A4SDI to Component Analog Video Converter with a four-channel Analog Audio Converter/Embedder
Ordering Options
NotesRear plate must be specified at time of order - eg: [model]+3RU
+SFrame Synchronizer
Rear Plate Suffix
+SAStandalone Enclosure Rear Plate
+3RU3RU rear plate for use with 350FR, 7700FR-C, 7800FR or 7801FR Multiframes
Enclosures
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