Measurement Computing WavePort rev.3.0 - Manual (Page 124)

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