Specifications

User Channel I/O Specifications

Channels

48: GX3348, GX3348A (with pulse generator))

64: GX3348-64, GX3348A-64 (with pulse generator))

Channel Multiplexer Configuration

4 x 48: GX3348, GX3348A,

4 x 64: GX3348-64, GX3348A-64

Maximum Current per Channel

500 mA

Maximum Source Current

500 mA total for all three programmable sources and pulse generator

3 A for all other sources

Number of Voltage Rails

4

Voltage Rails/Pulse Generator

• -20 to +32 VDC or Ext input (with amplifier or bypassed)

• -20 to +32 VDC or 5 VDC

• -20 to +32 VDC or Ext Input

• Ground (0 volts)

• Rail A: Pulse Generator (Requires firmware version 0x0000AC00 and above.) Applies only to GX3348A and GX3348A-64 modules

Number of DACs

3

DAC Resolution

16-bit

DAC Output Accuracy

±0.1% of voltage settings ±20mV
(with 1000 Ohm load)

Slew Rate (DAC or amplifier)

6 V/µs, 1 K ohm load in parallel with 50 pF

Amplifier Gain

6.6, nominal

Amplifier Bandwidth

DC to 10 KHz

Amplifier Output Swing

-20 to +32 V max.

DAC and Amplifier Output Protection

Short circuit protected to ground

Pulse Generator (Rail A only)

GX3348A and GX3348A-64 modules only

Programmable Base voltage range: -20V to +32V

Programmable Peak voltage range: -20V to +32V

Programmable Delay: 1000 uSec to 4294967295 uSec

Programmable Width: 1000 uSec to 4294967295 uSec

Delay and width resolution: 1 uSec

Period range: 2000 uSec to 4294.9 Sec

Mode: Continuous, Triggered

Base / Peak voltage accuracy: ±0.1% of voltage settings ±20mV

Square Wave Generator (Rail A only)

GX3348A and GX3348A-64 modules only

Programmable offset range:  -20V to +20V

Programmable output: 0 to 20V p-p

Programmable period: 2000 uSec to 4294.9 Sec

Programmable period resolution: 1 uSec

Programmable Duty Cycle range: 0.00% to 99.99%; 1000 uSec minimum duty cycle width

Mode: Continuous, Triggered

Output level accuracy: ±0.1% of voltage setting ±20mV

Measurement Function

Measure voltage on all 48 (GX3348/GX3348A) or 64(GX3348-64/GX3348A-64) channels

Measurement range: -20V to +32V

Resolution: 16-bits

Accuracy ±10mV

Digital I/O

(8) LVTTL static I/O

200-ohm series resistor with diode protection on each I/O

Power On State

All channels / rails open

Physical and Environmental Specifications

Operating Temperature

0 to+55°C

Storage Temperature

-20 to+70°C

Connector

78 pin, D-sub, female

Size

6U PXI, single slot, hybrid slot compatible

Weight

14 oz.