External clock reference input, Internal clock, Mechanical – National Instruments 5411 User Manual
Page 59

Appendix A
Specifications
DAQArb 5411 User Manual
A-6
© National Instruments Corporation
External Clock Reference Input
Frequency .......................................... 1 MHz or 5–20 MHz in 1 MHz
steps
Amplitude .......................................... 1 V
pk-pk
≤
level
≤
5 V
pk-pk
Internal clock
Frequency .......................................... 40 MHz
Initial accuracy................................... ±5 ppm
Temperature stability (0° to 5° C)....... ±25 ppm
Aging (1 year) .................................... ±5 ppm
Mechanical
Connectors
ARB (output)............................... SMB
SYNC (output) ............................ SMB
PLL Reference (input) ................. SMB
Digital I/O (Digital Pattern
Out, Marker Out,
External Trigger In) ..................... 50-pin digital
Size .................................................... 1 slot
Power Requirements
............................ 5 V, 3.5 A max
12V, 125 mA