Making A Measurement - Agilent Technologies ESA-E Series User Manual

Getting Started

Making a Measurement

Making a Measurement
Let's begin using the analyzer by measuring an input signal. Since the
internal 50 MHz amplitude reference signal is readily available, we will
use it as our test signal.
You cannot hurt the analyzer by using this reference signal and
NOTE
pressing any of the keys described in this section. Don't be afraid to
play with the knob, step keys, or numeric keypad. (If you have
experimented with other keys and wish to return to a known state,
press the green
1. First, turn the instrument on by pressing
2. Press
3. Press the green
For the Agilent E4401B and E4411B, the above key label is
NOTE
(f=50 MHz)
4. Set the frequency.
When operating in DC coupled mode on spectrum analyzers with
CAUTION
Option UKB, take care to protect the input mixer by limiting the input
level to 0 VDC and +30 dBm.
5. Set the span.
2-20
key and, if present, the
Preset
process to complete.
,
System Power On/Preset
Preset
pressing ,
Input Amptd Ref Out (f=50 MHz) (On)
from the
AMPTD REF OUT
, and no cable is required.
Press the
FREQUENCY Channel
of the screen, indicating that the center-frequency function is active.
The menu key label is highlighted to indicate that center
Center Freq
frequency is the active function. The active function block is the
space on the screen within the graticule where the active function
messages appear. Active function values can be changed using the
knob, step keys, or numeric keypad. Set the center frequency to
50 MHz with the DATA keys by pressing
keys can also be used to set the center frequency.
Press . Span is now displayed in the active function
SPAN X Scale
block, and the menu key label is highlighted to indicate it is the
Span
active function. Reduce the span to 20 MHz by using the knob,
pressing the down key (⇓), or pressing
On
,
Preset (Factory)
key. Turn on the internal 50 MHz signal by
INPUT 50 Ω
to the .
key. Center appears on the left side
50 MHz
20 MHz
menu key.)
Factory Preset
. Wait for the power-up
.
and connecting a cable
Amptd Ref
. The knob and step
.
Chapter 2