518 Chapter7
Language Reference
MKFC Frequency Counter
MKFC Frequency Counter
Syntax
Figure 7-166 MKFC Syntax
Description
The MKFC command activates a frequency counter that counts the
frequency of the active marker or the difference in frequency between
two markers. If no marker is active, MKFC places a marker at the
center of the trace and counts that marker frequency. The frequency
counter provides a more accurate frequency reading; it completes a
sweep, zooms in on the marked signal, goes into zero span, counts the
value, and then starts a new sweep. To adjust the frequency counter
resolution, use the MKFCR command. To return the counter value, use
the MKF command.
Preset State
Offf
Example
10 INPUT "ENTER IN THE DESIRED CENTER FREQUENCY, IN MHZ",F
req
20 INPUT "ENTER IN THE DESIRED FREQUENCY SPAN,IN MHZ",Span
30 OUTPUT 718;"IP;CF ";Freq;"MHZ;"
40 OUTPUT 718;"SP ";Span;"MHZ;"
50 INPUT "ENTER DESIRED FREQUENCY-COUNTER RESOLUTION, IN
HZ",Resolution
60 OUTPUT 718;"MKFCR ";Resolution;"HZ;",
70 OUTPUT 718;"MKN EP;"
80 PRINT "PLACE THE MARKER ON THE DESIRED SIGNAL."
90 PRINT "PRESS HOLD ON THE ANALYZER, THEN PRESS CONTINUE.
"
100 PAUSE
110 OUTPUT 718;"MKFC ON;"
120 END
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