11
Tele-Seminar, April 30, 2004
RS232
Ethernet and
RS232
Communications
0.01 Degrees
0.01 Degrees
Phase Measurement
Error at 60 Hz
Digital
(built in A/D Converter)
no
Anti-Aliasing
Filters
optical
transformer
Current Input
Isolation
optical
differential
amplifier
Voltage Input
Isolation
yes
no
GPS synchronized
sampling
yes
no
Simultaneous
Sampling
yes
yes
GPS Time Tagging
no
yes
Automatic
Calibration
2880
10240
Sampling Rate
(samples per second per channel)
16 bits
14 bits
A/D Converter
Word Length
Sigma-Delta Modulation
Successive Approximation
A/D Converter
Technology
Macrodyne
1620
Arbiter
1133A
Example Specifications