National Instruments SCXI-1190/1191 Uživatelský manuál stáhnout pdf (Strana 32)

Appendix A Specifications for SCXI-1191

SCXI-1190/1191 User Manual A-4 www.ni.com

SCXI-1191

Input Characteristics

Number of relays per bank .....................3

Number of banks ....................................4

Common-mode voltage

Channel to earth...............................30 V

rms

or DC

Maximum switching voltage

AC....................................................30 V

rms

DC....................................................30 VDC

Maximum switching capacity per channel

DC....................................................30 VDC at 0.33 ADC

AC....................................................30 V

rms

at 0.33 A

rms

Maximum switching

power per channel...................................10 W

Contact on resistance (initial).................200 mΩ max

Contact material......................................Gold

RF Performance Characteristics

Characteristic impedance (Z

) ................50 Ω

Insertion loss at:

< 2.5 GHz ........................................< 0.6 dB

< 4 GHz ...........................................< 0.9 dB

VSWR at:

< 2.5 GHz ........................................< 1.3

< 4 GHz ...........................................< 1.5

Isolation:

< 2.5 GHz ........................................< –60 dB

< 4 GHz ...........................................< –55 dB

Maximum RF carry power

at 900 MHz......................................10 W

1 2 ... 27 28 29 30 31 32 33 34 35 36 37 ... 44 45

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National Instruments SCXI-1190/1191 Uživatelský manuál Strana 32