Loop Counter Example Sequence
This example shows you the basic steps necessary for constructing a looping structure within
a test sequence. A typical application of this loop counter structure is for repeating a specific
measurement as you step through a series of CW frequencies or dc bias levels For an example
application, see “Fixed IF Mixer Measurements” in Chapter 3.
1. To create a sequence that will set the initial value of the loop counter, and call the sequence
that you want to repeat, press:
This will create a displayed list as shown:
SEQUENCELOOP
Start of Sequence
LOOP COUNTER
10x1
DO SEQUENCE
SEQUENCE 2
To create a second sequence that will perform a desired measurement function,
decrement the loop counter, and call itself until the loop counter value is equal to zero,
This will create a displayed list as shown:
SEQUENCELOOP
Start of Sequence
Trans: FWD
s21
(B/R)
SCALE/DIV
AUTO SCALE
MKR
Fctn
SEARCH MAX
DECR LOOP COUNTER
IF LOOP COUNTER <>O THEN DO
SEQUENCE 2
To run the loop sequence, press:
Making Measurements
2-77
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