User Manual 3155
Specifications A-1
Appendix A
SPECIFICATIONS
Output Channels
1
Multiple Instrument synchronization
Description
Multiple instruments can be connected together and
synchronized to provide multi-channel synchronization.
Sample Clock
Source
From Master card to slave boards through the local bus
Range and Resolution
Same as Sample Clock but limited to 80 Ms/s
Initial Skew
<15 ns to the first master; 15 ns cumulative to additional
slaves
Phase Offset Between Instruments Programmable from 0 to n points
SAMPLE CLOCK
Range
50 S/s to 100 MS/s
Resolution
10 digits limited by 1
µ
Hz
Accuracy
Same as reference
Stability
Same as reference
Reference
Standard
System clock,
≥
0.01% (100 ppm)
Option
≥
0.0001% (1 ppm TCXO) initial tolerance over a 19
°
C to
29
°
C temperature range; 1ppm/
°
C below 19
°
C and above
29
°
C; 1ppm/year aging rate
External
10 MHz TTL, 50%
±
2% duty cycle
SAMPLE CLOCK MODULATION
FM – Built-in Standard Waveforms
Description
Sample clock can be frequency modulated by internal
waveforms that are resident in internal memory (fixed
waveforms).
Modulation Source
Internal sine, square, triangle and ramp
Summary of Contents for 3155
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