National Instruments NI 2590/2591 user manual A

©NationalInstruments Corporation A-1 NI2590/2591 User Manual
A
Specifications
Thisappendix lists the specifications for the NI 2590/2591switch module.
Thesespecifications are typical at 25 °C unless otherwise noted.
NI 2590
Input Characteristics
Numberof relays ....................................3
Common-mode voltage
Channelto earth ..............................24 VDC
Maximum switching voltage
AC...................................................24 Vrms
DC...................................................24 VDC
Maximum switching capacity per channel
DC...................................................1 A at 24 V
AC...................................................1 Arms at 24 V
Maximum switching
powerper channel .................................. 24 W
Contact on resistance (initial)................ 100 mΩ max
Contactmaterial ..................................... Gold-clad silver
RF Performance Characteristics
Characteristicimpedance (Z0) ................50 Ω
Insertion loss at:
<100 MHz......................................< 0.4dB
<500 MHz......................................< 0.9dB
<1.3 GHz........................................< 1.5 dB