Measurement-computing WavePort rev.3.0 Instrukcja Użytkownika Strona 124

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WavePort/PE Specifications
10-2 Specifications
09-29-00
WavePort User’s Manual
Accelerometer Inputs:
Module 1, Channels 1-1 through 1-8; Module 2, Channels 2-1 through 2-8 (PE16 version only)
Accelerometer Channels:
8 (for PE8); 16 (for PE16)
Inputs:
BNC,
Center conductor is Hi, shell is common ground for all channels
Input Impedance:
150K Ohm
Input Ranges:
5V, 2.5V, 1V, 500mV, 250mV, 100mV, 50mV, and 25mV peak
Accuracy:
±0.5dB at the passband center
Coupling:
AC only
Frequency Resolution:
1% of cutoff frequency of each filter range
Low pass Filter type:
8-pole Butterworth, software selectable, with 2-pole antialiasing prefliter
Low-Pass Filter Frequency Cutoff Range:
100KHz, 75KHz, 60KHz…30Hz, bypass
(defined as fc = 300KHz/N, where N = 3 to 10,000) Each channel individually programmable.
High Pass Filter:
Software selectable per channel 0.1Hz or 10Hz, 1-pole Butterworth
ICP Bias Source:
2mA and 4mA, individually set on a per channel basis
Excitation Source:
0 to 5V sine, 20-100KHz range
Over-voltage protection:
10Vrms max
Triggering
Channel 1 Analog Trigger (WaveBook Module only)
Input Signal Range:
-10 to +10V
Input Characteristics and Protection:
Same as WaveBook channel inputs
Latency:
300ns
Multi-Channel Analog Trigger (all channels)
Range:
Selectable per channel to input range
Latency:
2us/channel, plus 4us maximum
TTL Trigger
Input Signal Range:
0-5V
Input Characteristics:
TTL-compatible with 10K ohm pull-up resistor
Input Protection:
Zener clamped –0.7 to +5V
Latency:
300ns
Software Trigger
Latency:
100us typical
Pulse Trigger
Input Signal Range:
0-5V
Input Characteristics:
75 ohms
Input Protection:
±10V maximum
Minimum Pulse Width:
100ns
Latency:
300ns
External Clock
Connector:
Available on DB25 input Pin 20
Input Signal Range:
5V TTL compatible
Input Characteristics:
50K ohms pull up (to +5V) in parallel with 50pF
Input Protection:
Zener clamped –0.7 to +5V
Delay:
200ns
Signal Slew Rate Requirement:
20V/us minimum
Rate:
Up to 1MHz
Divisor ratio:
Divide by 1 through 255, selectable
Clock Counter Accuracy:
<0.02% error
Clock Counter Range:
0.01Hz to 100KHz
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