Agilent Technologies E4445A User Manual

Page of 664
Chapter 2
163
Instrument Functions: A - L
FREQUENCY / Channel
In
st
ru
m
e
nt
Funct
ions
:
A
-
L
2.6
FREQUENCY / Channel
Displays the menu of frequency functions. Depending on the
Frequency
entry mode, either
the center frequency or the start and stop frequency values appear below the graticule on
the display. In Center/Span mode, the
Center Frequency
and
Span
appear, and the
Center Freq
function is automatically activated. In Start/Stop mode, the
Start
and
Stop
frequencies
appear, and the
Start Freq
function is automatically activated.
NOTE
Although the analyzer allows entry of frequencies greater than its specified
range, analyzer performance will be degraded if it is used beyond the
specified frequency range.
2.6.1
Center Freq
Activates the function that sets the center of the displayed frequency range to the specified
frequency.
Key Path:
FREQUENCY
Annunciation/
Annotation:
Center <value> appears in the lower left corner of the display.
Dependencies/
Couplings:
Center frequency and span are coupled to each other.
State Saved:
Saved in instrument state.
Factory Preset:
Model
Center Frequency
E4440A
13.255 GHz
E4443A
3.355 GHz
E4445A
6.605 GHz
E4446A
22.005 GHz
E4448A
25.005 GHz