User manual

RIGOL Chapter 2 Functions of the Front Panel of GPSA
2-2 RSA3000 User’s Guide
Basic Settings
FREQ
Sets the frequency parameters of the analyzer. The analyzer sweeps within a
specified frequency range and restarts sweeping every time the frequency
parameters are modified.
The frequency range of a channel can be expressed by either of two groups of
parameters: Start Frequency/Stop Frequency (
start
f
/
stop
f
); or Center
Frequency/Span (
center
f
/
span
f
). If any of the four parameters is changed, the other
three parameters will make adjustment automatically to ensure the coupling
relationship among them:
2)
(
start
stopcenter
ff
f
+=
(2-1)
startstop
span
f
ff
−
=
(2-2)