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100: Setup the source’s sweep time to 1 second.
110: Send the
"OPC?
command to the source to ensure that the
previous commands are completed and the source is ready to begin
controlled sweeps.
120: Enter the response to the *OPC? into the variable X. The
response should be a ‘1’.
130: Start of the loop.
140 and 150: Prompt the operator for the number of sweeps to
take. The number of sweeps to take is stored in the variable N.
Enter 0 to quit the program.
160: Don’t take any sweeps if N is less than 0.
170: Start a FOR/NEXT loop to take N sweeps.
180: Display the number of this sweep on the computer display.
190: Initiate a single sweep on the source and then wait until
the pending operation is complete. Return a ‘1’ when the sweep
completes.
200: Enter the response to the *OPC? into the variable X. The
program execution will halt on this ENTER statement until the
sweep is finished.
210: Repeat the 1NIT:IMM sequence N times.
220: End of the IF statement to skip sweeps if N is negative.
230: Exit the program if the value of N is 0.
Using the
*WAI
The following example illustrates the use of the
*WA1
command to
Command, Example
cause the synthesizer to perform a synchronous sweep.
Program 7
10
Source=719
20
ABORT 7
30
LOCAL 7
40 CLEAR Source
50
REMOTE Source
60
CLS
70
OUTPUT
Source;"*RST"
80
OUTPUT
Source;"FREq:STAR
4GHZ;
STOP
5GHZ;
MODE
SWE"
90 OUTPUT
Source;"SWE:TIME
2"
100
OUTPUT
Source;"*OPC?"
110
ENTER Source;X
120
FOR
I=1
TO 4
130
OUTPUT
Source;"INIT"
140
OUTPUT
Source;"*WAI"
150
OUTPUT
Source;"POW:STAT
ON"
160
OUTPUT
Source;"INIT"
170
OUTPUT
Source;"*WAI"
180
OUTPUT
Source;"POW:STAT
OFF"
l-96
Getting Started Programming