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.