IRT DVA-3009 Instruction Manual Download Page 4

3009-dva.ib.doc 

Page 4 of 8 

06.05.2003

Technical specifications 

 

DVA-3009

 

Input: 

Number 2. 
Impedance 75 

Ohm. 

Return loss 

>20 dB 5 MHz to 360 MHz. 

Equalisation 

Automatic, better than 300 metres at 270 Mb/s 
for Belden 8281 or equivalent cable. 

 

(reduces to approx. 200m when LK3 (input 
A), LK4 (input B) is closed). 

 

Outputs: 

Number 

3 ASI/SDI per input. 

Signal level 

800 mV ± 10% 

Impedance 75 

Ohm. 

Return loss 

>20 dB 5 MHz to 360 MHz. 

DC offset 

Nil. 

 

Performance: 

Cable compensation 

Automatic, better than 300 metres at 270 Mb/s 
for Belden 8281 or equivalent cable. 
(reduces to approx. 200m when LK3 (input 
A), LK4 (input B) is closed). 

Output rise time 

<1 ns, (700 ps typically). 

 

Alarms:

 

Signal Loss on either channel 

Contact closure. Link selectable N.O./N.C. 

or power failure 
 

Connectors:

 BNC. 

 

Indicators: 

Power 

LED (green) for +5 Vdc. 

Signal present 

LED (green) when signal present for each input. 

 

Power requirement: 

Voltage 

28 Vac CT (14-0-14) or 

±

16 Vdc 

Consumption 

2.5 VA (<80 mA). 

 

General: 

Temperature range 

0 - 50° C ambient 

Mechanical 

Suitable for mounting in IRT 19" rack chassis with input, output and 
power connections on the rear panel. 

Dimensions 

6 HP x 3U Extended Eurocard (220 mm x 100 mm). 

Weight 

With rear assembly 365g. 

Finish:  

Front panel 

Grey, with black lettering & red IRT logo 

 

Rear 

assembly 

Detachable silk-screened PCB with direct mount connectors to 
Eurocard and external signals 

 
Supplied accessories 

Rear connector assembly with matching connector for alarm outputs. 

 
 

Due to our policy of continuing development, these specifications are subject to change without notice.  

 

Summary of Contents for DVA-3009

Page 1: ...manufactured in Australia IRT can be found on the Internet at http www irtelectronics com I R T Electronics Pty Ltd A B N 35 000 832 575 26 Hotham Parade ARTARMON N S W 2064 AUSTRALIA National Phone 0...

Page 2: ...01 Operational Safety WARNING Operation of electronic equipment involves the use of voltages and currents that may be dangerous to human life Note that under certain conditions dangerous potentials ma...

Page 3: ...ay 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 digit...

Page 4: ...either channel Contact closure Link selectable N O N C or power failure Connectors BNC Indicators Power LED green for 5 Vdc Signal present LED green when signal present for each input Power requiremen...

Page 5: ...cuit board The dual AC inputs are rectified and then regulated by a switch mode regulator circuit to provide the 5V operating voltage for the unit Installation Handling The DVA 3009 contains static se...

Page 6: ...M A 2 ALARM B 1 GND INPUT A INPUT B A OUTPUTS B OUTPUTS Front rear panel connector diagrams The following front panel and rear assembly drawings are not to scale and are intended to show connection or...

Page 7: ...ended by IRT only to the extent obtainable from the component supplier Equipment return Before arranging service ensure that the fault is in the unit to be serviced and not in associated equipment If...

Page 8: ...3009 dva ib doc Page 8 of 8 06 05 2003 Drawing List Index Drawing Sheet Description 804653 Dual ASI SDI Distribution Amplifier...

Page 9: ...10B 5B 11A 11B 12A 12B 13A 13B 14A 15A 15B 17A 17B 18A 18B 9A 9B 20A 20B 14B 21A 21B 22A 22B 23A 24B 24A 25B 26A 27A 27B 28A 23B 19A 19B 30A 30B 26B 31A 31B 32A 32B 25A 16A 16B 28B 29A 29B J1 DIN64 2...

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