Measurement-computing WBK10A Manuale Utente Scaricare il pdf (Pagina 4)

pg.

4, WBK10A

988397

WBK10A, Analog Expansion Module

PGA Filter

Filter Type

: 20KHz low pass, Butterworth, 5-pole filter

WBK11A Functions

Input Voltage Ranges

Software programmable prior to a scan sequence

Aperture Uncertainty (SSH)

: 75ps max

Voltage Droop (SSH)

: 0.01mV/ms typ

WBK12A, WBK13A Functions

Input Voltage Ranges

Software programmable prior to a scan sequence

Low Pass Filter Type

: Software selectable, 8-Pole elliptic or linear phase

Anti-Aliasing Filters

: Single-pole pre and post filters, automatically set depending on filter frequency selected

Low-Pass Filter Frequency Cutoff Range

: 100KHz, 75KHz, 60KHz…400Hz, bypass (fc=300KHz/N where

N=3 to 750

Filter Grouping

4 Channels each in two programmable banks

Aperture Uncertainty (SSH)

: 75ps max

Voltage Droop (SSH)

: 0.01mV/ms typ

Triggering

Channel 1 Analog Trigger

Input Signal Range

-10 to +10V

Input Characteristics and Protection

Same as channel inputs

Latency

: 300ns

Multi-Channel Analog Trigger (up to 72 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 digital input

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

1 2 3 4 5 6

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Measurement-computing WBK10A Manuale Utente Pagina 4

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