Lesson 1 – Analog Modules
96
TIA Instrument
The Time Interval Analyzer (TIA) performs time measurements for
the input signals CH1 and/or CH2, stores the results and performs
calculations on the stored values.
Besides the two signal inputs, the TIA instrument has one trigger
input. The trigger signal determines the measurement start time as
an arming trigger.
One TIA module can process input signals from two input lines as
follows:
• Input Channel 1
• Input Channel 2
The TIA can perform four kinds of time interval measurements:
TIA Measurement Functions
The figure below illustrates the four types of time interval
measurements that can be performed with the TIA.
TIA Measurement Functions
CH 1
Period (
PER )
= 1/Frequency (
FREQ
)
Pulse Width (
PW+
)
Pulse Width ( )
CH 1
Start Channel
CH 2
Stop Channel
PD
Propagation Delay
PD++
Single Channel
Dual Channel
PD +PD+
PW
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