Agilent Technologies ESA Series User's/Programmer's Reference page 41

Scales the vertical graticule divisions in logarithmic units when
Scale Type
underlined. Logarithmic units may range from 0.1 to 20 dB per
Log Lin
division. When
scaled and the default amplitude units are volts. The top of the display
is set to the reference-level value and the bottom graticule becomes zero
volts. (Each division of the graticule is one-tenth of the reference level
in volts.) Pressing
current amplitude scale. When
is set to
default units. The fastest sweep time available when
the detector is set to average (
milliseconds.
Key Access:
Agilent E4404B, E4405B, E4407B and E4408B only. Adjusts the
Presel Center
frequency of the preselector filter (above 2.85 GHz) to optimize the
amplitude accuracy at the active marker frequency. With
(Ext)
Center
maximize the amplitude at the active marker frequency. If activated in
a non-preselected band,
Preselector center should be used to improve amplitude accuracy for
signals which fall into any one of the harmonic mixing bands. The
harmonic mixing bands Frequency Ranges are:
Key Access:
Agilent E4404B, E4405B, E4407B and E4408B only. Allows manual
Presel Adjust
adjustment of the preselector frequency to optimize its response on the
signal of interest.
By changing the
moved in frequency. The signal of interest will appear to change in
amplitude with the frequency response of the preselector filter.
Key Access:
Accesses the menu keys that change the amplitude units. Amplitude
Y Axis Units
units are maintained for both logarithmic and linear modes. The
amplitude units can be changed by pressing
Watts
Chapter 2
is underlined, the vertical divisions are linearly
Lin
Scale Type
, pressing
Factory Preset
AMPLITUDE / Y Scale
selected and the Mixer Type set to Presel (preselected),
adjusts the frequency of the external preselector filter to
Presel Center
Band
1
2
3
4
AMPLITUDE / Y Scale
Presel Adjust
AMPLITUDE / Y Scale
, , and . This key is unavailable when
Volts Amps
always sets the units specified for the
is set to
Power On Preset
or powering on the analyzer sets the
, ,
Det/Demod Detector Average
does nothing.
Frequency Range
2.85 - 6.7 GHz
6.2 - 13.2 GHz
12.8 - 19.2 GHz
18.7 - 26.5 GHz
, the center of the preselector filter can be
,
dBm dBmV
Front-Panel Key Reference
AMPLITUDE Y Scale
is
Log
and
Preset Type
is selected and
Lin
) is 8
Input Mixer
Presel
dB µ V dB µ A,
, ,
and
FM Demod
41