HP 8360 B Series User Manual page 123

Swept signal generator, including options 001, 002, 004, 006, and 008
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Queries, Example
Program 4
The following example demonstrates the use of query commands and
response data formats. Clear and reset the controller and type in the
following program:
10
Source=719
20
ABORT 7
30
LOCAL 7
40
CLEAR Source
50
REMOTE Source
60
70
OUTPUT Source;"*RST"
80
OUTPUT Source;"POWER:LEVEL -5 dBm;STATE ON"
OUTPUT Source;"FREQ:CW?"
90
100
ENTER Source;F
110
PRINT "Present source CW frequency is : ";F/l.E+6;"MHz"
120
OUTPUT Source;"POWER:STATE?"
130
ENTER Source;W
140
PRINT "Present power ON/OFF state is : ";W
OUTPUT Source;"FREQ:MODE?"
150
160
DIM A$[101
170
ENTER Source;A$
180
PRINT "Source's frequency mode is : "&A$
OUTPUT Source;"FREQ:CW? MIN"
190
200
ENTER Source;A
210
PRINT "Minimum source CW frequency is : ";A/l.'E+6;"MHz"
220
OUTPUT Source;"FREQ:START?;STOP?"
230
ENTER Source;X,Y
240
PRINT "Swept frequency limits :I'
250
PRINT " Start ";X/l.E+6;"MHz"
260
PRINT ' Stop ";Y/l.E+G;"MHz"
270
END
Run the program.
Program Comments
10: Assign the source's HP-IB address to a variable.
20 to 50: Abort any HP-IB activity and initialize the HP-IB
interface.
60: Clear the computer's display.
70: Set the source to its initial state for programming.
80: Set up the source power level using a compound message.
90: Query the value of the source's CW frequency.
100: Enter the query response into the variable 'F'. The response
always is returned in fundamental units, Hz in the case of
frequency.
110: Print the CW Frequency in MHz on the computer display.
120: Query the value of a Boolean function, POWER:STATE.
Getting Started Programming 1-95

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