Distribution Amplifiers

• Analogue Audio

• Analogue Video

• Digital Audio (AES / EBU)

• Digital Video

• G.703

DDA-4007  270 Mb/s ASI/SDI 8 O/P Reclocking Distribution Amplifier

Features

• For use as buffer or distribution amplifier.
• 8 x in-phase 270 Mb/s ASI or SDI reclocked outputs.
• Automatic input equalisation to 250 metres.
• Automatic output muting on no input.
• Front panel indicators provide monitoring of presence of input signal at 270 Mb/s.
• Optional plug-in SNMP monitoring module

General

The DDA-4007 270 Mb/s serial digital video distribution amplifier provides the user with a single standard module to cover a wide range of distribution and monitoring functions for SDI or ASI signals.
The DDA-4007 supersedes the DVA-3007 and provides all of its predecessor's functions together with the added option of a Simple Network Management Protocol (SNMP) monitoring module for use with IRT's SNMP system frame.
Due to the fact that standard loop through techniques used in the analogue domain are unsuitable to the digital domain most digital equipment comes with no facility to route the input signal to other locations. As a result a VDA is required at almost every point in the digital chain.
Serial digital signals also suffer severe deterioration over relatively short cable distances. The DDA-4007 provides a means of extending the working distances that can be achieved by equalising.

Where a large number of reclocked outputs are required the DDA-4007 may be used to provide reclocking and its outputs fed to one or more non reclocking DA's to provide the number of outputs required.
This provides a more economic solution than using multiple reclocking DA's and minimises jitter increase due to unnecessary re-clocking.
An optional rear assembly, ZDA-4006RL (sold separately), provides a bypass relay to switch the Input (SK1) to Output 1 (SK2) in the event of a power failure. When this bypass rear assembly is used, the number of outputs is reduced to 6.
The DDA-4007 is designed to fit IRT's standard Eurocard frames as well as IRT's 4000 series frame for use with IRT's SNMP system and may be used alongside any other of IRT's analogue or digital Eurocards.

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DDA-4900  Dual 1 In, 3 Out 270 Mb/s SDI/ASI Distribution Amplifier (non reclocking)

Features

• 3 non inverting outputs on each amplifier.
• Power fail signal bypass.
• Automatic input equalisation to 250 metres.
• Low jitter on the output, <0.1UI when equalising 100m of cable.
• Automatic output muting on no input.
• Front panel signal presence LEDs and external alarm contacts.
• Optional plug-in SNMP monitoring module.

General

The DDA-4900 270 Mb/s serial digital video distribution amplifier provides the user with a single standard module to cover a wide range of distribution and monitoring functions for ASI or SDI signals. Two triple output distribution amplifiers are provided on the one card. Signal bypass relays automatically switch the inputs to one of their outputs in the event of loss of power.
Due to the fact that standard loop through techniques used in the analogue domain are unsuitable to the digital domain most digital equipment comes with no facility to route the input signal to other locations. As a result a DA is required at almost every point in the digital chain.

Serial digital signals also suffer severe deterioration over relatively short cable distances. The DDA-4900 provides a means of extending the working distances that can be achieved by equalising and retransmitting the data mid route.

The DDA-4900 may also be used to provide input equalisation for devices not having this feature, as most unequalised inputs will only support cable lengths of less than 20 metres.

Frequent re-clocking of serial digital signals can lead to serious increases in jitter with resultant data errors. The DDA-4900 does not include re-clocking, which minimises these errors, leaving re-clocking to be done by the receiving device. For applications requiring reclocking the DDA-4007 should be used.

To provide for the polarity sensitive nature of ASI signals, all outputs of the DDA-4900 are in phase with the input.
An optional SNMP (Simple Network Management Protocol) plug-in module is available for monitoring when used in conjunction with IRT's 4000 series frame fitted with SNMP capability.

The DDA-4900 is a Eurocard module designed to fit IRT's standard Eurocard frames as well as IRT's 4000 series frames for use with IRT's SNMP system and may be used alongside any other of IRT's analogue or digital Eurocards.

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Features

• Broadcast quality, full 10-bit video conversion.
• 4 Equalised, regenerated and re-clocked repeater outputs.
• 3 Composite analogue outputs with high quality 10 bit D/A.
• Component (RGB, YPbPr) or S-Video (Y/C) output.
• PAL or NTSC operation with auto or manual switching.
• SDI input loss and decoded video indicators on front panel.
• Simple Network Management Protocol (SNMP) capability

General

The DVC-4112 is a high performance SDI 270 Mbit/s serial digital video to analogue composite/component converter and distribution amplifier.
The DVC-4112 is designed to regenerate a link and provide a broadcast quality analogue composite or component signal.
The serial receiver section, shown in the block diagram above, automatically equalises and re-clocks the input serial video signal and the cable driver section retransmits the regenerated serial video.
This configuration allows both an extension of the link and a jitter performance advantage over non re-clocking regenerators.
The DVC-4112 is primarily intended to operate in mixed (digital and analogue) environments allowing existing analogue monitoring equipment to be utilised without the need to purchase more expensive digital equipment.

The DVC-4112 provides component outputs for most requirements: RGB, YPbPr and S-VHS (Luma + Chroma). Three composite outputs are always available plus a choice of one of the remaining component formats.
Full 10 bit video processing and 10-bit digital to analogue converters are used in order to assure a high quality analogue signal suitable for broadcast and production monitoring applications.
Simple Network Management Protocol (SNMP) monitoring is possible if mounted in IRT's 4000 series frame fitted with SNMP capability.

Features

Applications:

• Link selectable for either High Definition or Standard Definition digital signals
• 6 non reclocked outputs
• Automatic input equalisation
• Signal presence LED and external relay alarm contact
• Optional plug-in SNMP monitoring module

General

The HDA-4500 1.485 Gb/s serial digital video distribution amplifier provides the user with a single standard module to cover a wide range of distribution and monitoring functions for High Definition (HD) digital signals.
As well as accepting an HD signal, the HDA-4500 will also accept Standard Definition (SD) rates such as SDI. ASI is also possible, however as three of the six outputs are inverted only the non-inverted output ports are suitable for ASI.
Serial digital signals suffer severe deterioration over relatively short cable distances. This is especially so with the HD high data rate. The HDA-4500 provides a means of extending the working distances that can be achieved by equalising and re-transmitting the data mid route.
An on board link sets whether the HDA-4500 will accept a either 1.485 Gb/s HD signal or a lower rate SD signal by adjusting the output driver slew rate to suit.

Front panel LEDs indicate when an input signal is present and also whether the on board link is set for HD or SD operation.
A relay alarm output, with a selectable N/O or N/C switch to ground contact, is available for indication of loss of input signal or loss of power.
An optional SNMP (Simple Network Management Protocol) plug in module is available for remote monitoring when used in conjunction with IRT's 4000 series frame fitted with SNMP capability.
The HDA-4500 is designed to fit IRT's 4000 series frame for use with IRT's SNMP system as well as being suitable with IRT's Standard 1000 and 3000 series Eurocard frames and may be used alongside any other of IRT's analogue or digital Eurocards.

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Features

Applications:

• Automatic selection of either High Definition or Standard Definition digital signals
• 6 reclocked outputs
• Automatic input equalisation
• Locked signal presence LED and external relay alarm contact
• Optional plug-in SNMP monitoring module

General

The HDA-4510 1.485 Gb/s serial digital video reclocking distribution amplifier provides the user with a single standard module to cover a wide range of distribution and monitoring functions for High Definition (HD) digital signals.
As well as accepting an HD signal, the HDA-4510 will also accept Standard Definition (SD) rates such as SDI. ASI is also possible, however as three of the six outputs are inverted only the non-inverted output ports are suitable for ASI.
Serial digital signals suffer severe deterioration over relatively short cable distances. This is especially so with the HD high data rate. The HDA-4510 provides a means of extending the working distances that can be achieved by equalising and re-transmitting the data mid route.
The HDA-4510 will automatically reclock either a 1.485 Gb/s HD signal or a lower rate SD signal and automatically adjust the output driver slew rate to suit.

Front panel LEDs indicate when an input signal is present and also whether it is either an HD or SD type of signal.

A relay alarm output, with a selectable N/O or N/C switch to ground contact, is available for indication of loss of input signal or loss of power.
An optional SNMP (Simple Network Management Protocol) plug in module is available for remote monitoring when used in conjunction with IRT's 4000 series frame fitted with SNMP capability.
The HDA-4510 is designed to fit IRT's 4000 series frame for use with IRT's SNMP system as well as being suitable with IRT's Standard 1000 and 3000 series Eurocard frames and may be used alongside any other of IRT's analogue or digital Eurocards.

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Features

• 3 non inverting outputs on each amplifier.
• Link selectable for 1 in, 6 out single distribution amplifier operation.
• 3 Automatic reclocking of High Definition or Standard Definition digital signals.
• Input equalisation > 100 m for HD, > 250 m for SD.
• Automatic output muting on no input.
• Front panel signal presence LEDs and external alarm contacts.
• Optional plug-in SNMP monitoring module.

  General

  The HDA-4521 HD/SD dual serial digital reclocking video distribution amplifier provides the user with a single standard module to cover a wide range of distribution and monitoring functions for High Definition (HD) and/or Standard Definition (SD) digital signals. Two triple output reclocking distribution amplifiers are provided on the one card.
  As well as accepting HD or SD signals, the HDA-4521 will also accept ASI signals. To provide for the ploarity sensitive nature of ASI signals, all outputs of the HDA-4521 are in phase with the inputs.

  Serial digital signals suffer severe deterioration over relatively short cable distances. This is especially so with the HD high data rate. The HDA-4521 provides a means of extending the working distances that can be achieved by equalising and retransmitting the data mid route.

  The HDA-4521 will automatically reclock either 1.485Gb/s HD signals or lower rate 270Mb/s SD signals. Both sides of the HDA-4521 can be run independently allowing a mixture of signal types to be used.

  On board link settings allow either of the inputs to feed all outputs to create a one in, six out distribution amplifier.

  Front panel LEDs indicate when an input signal is present and whether the output is an HD or SD type.

  Separate alarm outputs switch to ground for indication of loss of input signal or loss of power.

  An optional SNMP (Simple Network Management Protocol) plug in module is available for remote monitoring and control when used in conjunction with IRT's 4000 series frame fitted with SNMP capability. Extra features are available via SNMP such as automatic switching on loss of one input to the other input.

  The HDA-4521 is designed to fit IRT's  4000 series 3RU frames for use with IRT's SNMP system as well as being suitable with IRT's 1000 series 1RU Eurocard frames and may be used alongside any other of IRT's Eurocards.

   

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DDA-3312ASI/SDI Path Protection Amplifier

General

ZDA-4311RH Handshake connection -  ASI / SDI Data Amplifiers

General