DigiVolt
AMTI’s DigiVolt is an analog signal
conditioning and A/D conversion instrument which accepts twelve channels of
+-10 volt inputs. The input signals are digitized with a precision 16 bit
analog-to-digital converter and then transmitted to a PC via an Ethernet
interconnection. The DigiVolt is an ideal companion product for the DigiAmp
providing analog data acquisition for EMG signals or other user supplied high
level inputs. Up to six DigiVolt and DigiAmp instruments may be stacked on the
same Ethernet line providing an extensible Ethernet based data acquisition
system.
Four software selectable
gains
Twelve analog input
channels
Software selectable
digital filters
Front-end antialiasing
filters
Precision 16 bit A/D
converter
Robust, noise immune
Ethernet data transfer to a PC
|
Item |
Specification |
Comment/condition |
|
User interface |
|
|
|
Gain adjust |
Software or key pad |
Key pad LCD interface |
|
Filter adjust |
Software or key pad |
Key pad LCD interface |
|
Internal calibration |
Software or key pad |
Key pad LCD interface |
|
Input channels |
|
|
|
Number of channels |
12 |
|
|
Input type |
Analog |
+- 10 volt |
|
Input protection |
4000 volt ESD
protection |
|
|
|
|
|
|
Digital output |
|
|
|
Type |
Ethernet |
16 bit |
|
A/D conversion |
|
|
|
Resolution |
16 bit |
1 lsb linearity |
|
Data rate(1) |
96000 |
samples per second |
|
Data rate(2) |
8000 |
datasets per second |
|
Analog gains |
|
|
|
Range |
1, 2, 4, 8 |
.02% linearity |
|
Antialiasing filters |
|
|
|
Frequency |
1600 |
Hz |
|
Digital filters |
|
|
|
Frequency |
10, 20, 30, 50, 100,
200, 300, 500, 1000 |
Hz |
|
Type |
Butterworth or Bessel |
|
|
Synchronization |
|
|
|
Modes |
Triggered, gen-lock,
free run |
|
|
Input type |
Opto isolated RCA jack |
ttl level compatible |
|
Jitter |
65 micro seconds |
typical |
|
Power supply |
|
|
|
Type |
External power brick |
110, 220 volt : 50, 60
Hz |
|
Physical package |
|
|
|
Dimensions |
1.75" x 17.0"
x 12.5" |
H x W x L |
|
Weight |
13 lb |
|
|
Ethernet interface |
|
|
|
Type |
10 Mbs Ethernet |
|
|
Protocol |
UDP Protocol |
|
|
Cable |
Thinnet (RG-50) |
BNC Connector |
|
Max length |
500 feet |
|
|
Throughput |
upto 96000 s/sec |
PC may limit |
|
|
|
|