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Programming Commands
FB Stop Frequency
FB
Stop Frequency
Syntax
Step Increment: Frequency span divided by 10
Legacy Products
8560 series, 8566A/B, 8568A/B
Description
The FB command specifies the stop frequency value. The stop frequency is equal to the center frequency
plus the span divided by two (FB = CF + SP/2). Changing the stop frequency changes the center
frequency and span.
NOTE The OA parameter only returns the current value to the controller. It does not set
the active function to the stop frequency.
Table 4-9
Item Description/Default Range
REAL Any real or integer number.
Default unit is Hz.
Frequency range of the analyzer
FB
S
P
HZ
;
KHZ
MHZ
GHZ
UP
DN
?
S
P
KZ
MZ
GZ
real
OA
LF
CR
SP
,