National Instruments SCXI-1127 用户手册

Channel to channel crosstalk

..................50 Ω termination

10 kHz

.............................................≤ –70 dB

100 kHz

...........................................≤ –57.79 dB

1 MHz

..............................................≤ –53.31 dB

5 MHz

..............................................≤ –41.47 dB

11 MHz

............................................≤ –27.23 dB

Maximum operating speed .....................100 cycles/s

Relay operate time (at 20 

°C).................3 ms typical, 5 ms max

Relay release time (at 20

 °C) .................1.5 ms typical, 5 ms max

Expected life

Mechanical (at 180 cpm) .................5 

× 10

7

 operations

Electrical at maximum load.............2 

× 10

5

 operations

Operating life variations versus switching conditions (differential or 
single-ended mode operation) at 20 cpm

Scanner advanced pulsewidth.................1.1 

µs

External trigger input pulsewidth ...........500 ns (min)

Recommended warm-up time.................5 minutes

30 VDC

1 A

200,000

250 V

rms

200 mA

50,000

250 VDC

200 mA

50,000

250 V

rms

250 

µA

100,000

250 VDC

250 

µA

100,000