SeaDaq

Technical Specification

The following table summarises the technical specification for both the SeaDaq ATM SONET data acquisition system. For further information please contact the sales department at kcsales@keynescontrols.com

The system connects to standard commercial ATM network


PARAMETER

SPECIFICATION

   
Network  
Network Standard ATM SONET
Network Speed 155.52 MBaud
Physical layer STM-1
   
Analog input
Input Type Differential
Ranges 2V, 500mV, 200mV
No. Of Channels 8
Resolution 24 bit
Dynamic Range 140 dB
CMRR 80dB
THD 90dB
Offset Voltage 100uV
Offset Voltage Drift 5uV/C
Wideband input noise 10nV/Hz
Low frequency input noise 10uV pk-pk
   
Timing  
Clock Stability 20ppm (note1)
ADC Clock jitter 500ps
ADC Sample Rate 8Khz .. 96KHz (note2)
   
Digital I/O
Output Ports 2
Output Standard TTL
   
Power 6 W Maximum
Voltage Supply Range 8-15V (12V nominal)
Load 500mA

Notes

  1. Timing is derived from ATM clock. This is 20ppm for a stratum 3 clock signal
  2. In 8 KHz increments

The information provided in this documentation reliable at the time of the web page creation. However, KEYNES CONTROLS assumes no responsibility for inaccuracies or omissions on the use of this information, and all use of such information shall be entirely at the users own risk. Prices and specifications are subject to change without notice. No patent rights or licences to any circuits described herein are implied or granted to third party. KEYNES CONTROLS does not authorise or warrant any KEYNES CONTROLS products for use in life support or aircraft control applications.


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