Datasheet

Specifications
Table 1-5: Guaranteed measurement capabilities (cont.)
Characteristics Description
Time Interval Error (TIE)
FCA31xx only
Normalized Period Back-to-back m easurements, calculated as:
TIE(k) = kT
REF
–T
i
where:
T
i
= individual period back-to-back
T
REF
= R eference period value
Time Interval
Capable of measuring time from one event until the next. Time intervals only measurable
on the A and B channels.
Range, Nominal Calculation
0nsto+10
6
s
Range, Smart Calculation
-10
6
sto+10
6
s
Resolution
(FCA3000 Series)
100 ps
Minimum Pulse Width 1.6 ns
Smart Calculation Smart Time Interval determines sign (A before B or A after B)
Total Measurement
Uncertainty
Where:
RMU = Random Measurement Uncertainty
SMU = Systemic Measurement Uncertainty
Random Measurement
Uncertainty
Where:
QE = Quantization Error
TE
X
=Tr
igger Error for a particular edge X
System
ic Measurement
Uncertainty
Where:
Etl = Trigger Level Timing Error
CTD = Channel Timing Difference
TBE = Timebase Error
MR = Measurement Result
Trigger Level Timing Error
(Etl)
Where:
TLU = Trigger Level Uncertainty
Hyst = Hysteresis Win
dow
S
X
= Slew Rate at the trigger point for timing location X
FCA3000, FCA3100, and MCA3000 Series Specifications and Performance Verification 1–9