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Coders & De-Multiplexers

ISIS 4461A

ISIS / 4461A
BCS Price:Click Here to Contact Us
Item #:MO800228
Condition:Reference Item
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Model Description:
SDI/analog audio embedder

Model Details

The 4461A SDI analog audio embedder embeds two balanced stereo audio pairs into the ancillary data space of a 270Mb/s SDI stream. The analog input is sampled at 24 bits and can be embedded as 20 or 24 bit audio. Embedding conforms to SMPTE 272M and allows audio to be inserted into any of the four groups. Existing audio groups can be added to or completely removed. Digital silence is inserted when an audio feed is absent. There is automatic input cable equalization and a re-clocked SDI output.

The unit is housed in an extremely compact and rugged aluminum case and is suitable for both field and studio applications.



Features:

Features

  • Inserts two balanced analog audio stereo pairs into any group
  • High quality 24 bit audio ADC
  • Replaces or adds to existing audio
  • Digital silence inserted if audio feed is absent
  • Selectable 20 or 24 bit embedding
  • LEDs show group status and input signal presence
  • Automatic equalization up to 350m
  • EDH can be generated and inserted
  • Auto sensing 525/625 operation
Control switches
  • Audio group select
  • 20/24 bit embedding
  • Append or overwrite audio


Specifications:
SDI input

Analog input

Standards

SMPTE 259M 270Mb/s 525/625 SDI

Standard
Balanced analog audio
Connector75ohm BNCNumber2 stereo pairs
Signal level800mV p-p ±10% (terminated)Impedance20K ohm
Return loss>15dB 5-270MHz Input levelMax 0dBFS=+26dBu/ Min 0dBFS=+12dBu
Cable equalization>350m automatic (Belden 8281)Quantization24 bit ADC
SDI output
ConnectorRemovable screw terminals
Standards SMPTE 259M 270Mb/s 525/625 SDIPower
Connector75ohm BNC

Voltage

6-12V DC

Signal level

800mV p-p ±10% (terminated)

Current

470mA @ 6V

DC offset±100mVPower connectorLocking 2.5mm jack connector
Return loss >18dB to 270MHz Other

Audio embedding

LEDs

Show group status and signal presence
StandardsSMPTE 272MTemperature range 0ºC to 45ºC
Embedding20 or 24 bitsDimensions3¼ x 2½ x 1¼

..

Weight

9 oz
Ordering Information
4461A SDI analog audio embedder4010 1RU rack mounting frame with central PS for up to 5 units
4000 External power supply4020 2RU rack mounting frame for up to 14 units with single or dual PSUs
opt34021 Central power supply for 4020 2RU rack mounting frame
Preliminary data sheet. We reserve the right to change technical specifications without prior notice.


Additional Information

4461A.pdf

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