Agilent Technologies E4448A User Manual

User’s and Programmer’s Reference
Volume 1
Core Spectrum Analyzer Functions
PSA Series Spectrum Analyzers
Refer to Volume 2 for one-button power measurements information.
This manual provides documentation for the following instruments:
Agilent Technologies PSA Series
E4440A (3 Hz - 26.5 GHz)
E4443A (3 Hz - 6.7 GHz)
E4445A (3 Hz - 13.2 GHz)
E4446A (3 Hz - 44.5 GHz)
E4448A (3 Hz - 51.0 GHz)
Manufacturing Part Number: E4440-90243
Supersedes: E4440-90194
Printed in USA
August 2004
© Copyright 2001-2004 Agilent Technologies, Inc.

Agilent Technologies E4448A Specifications

General

Frequency Range	3 Hz to 50 GHz
VBW (Video Bandwidth)	1 Hz to 10 MHz
Sweep Time	1 ms to 1000 s
Phase Noise	-110 dBc/Hz at 10 kHz offset (1 GHz)
Resolution Bandwidth	1 Hz to 10 MHz
Display	Color LCD
Input Impedance	50 Ohm
Operating Temperature	0°C to 55°C
Amplitude Range	+30 dBm
Input VSWR	< 1.5:1
Input Connector	Type-N female
Power Requirements	100 to 240 VAC, 50/60 Hz

Summary

Instrument Functions: A – L

AMPLITUDE / Y Scale

Activates Reference Level and Amplitude menu keys, controlling Y-axis display and settings.

FREQUENCY / Channel

Displays frequency functions like Center Freq, Start Freq, Stop Freq, CF Step, and Freq Offset.

Instrument Functions: M – O

Marker

Accesses marker control menu for Normal, Delta, Delta Pair, Span Pair, and Off modes.

Marker Fctn

Marker ->

MEASURE (Spectrum Analysis Mode)

Displays measurement options for transmitter power, occupied bandwidth, and harmonic distortion.

Instrument Functions: P – Z

Peak Search

Places markers on peaks and displays search menu for threshold, excursion, and parameter modes.

SPAN / X Scale

Activates Span function and displays span options like Span Zoom, Full Span, Zero Span, and Last Span.

SWEEP

Controls sweep time and mode (continuous/single), including Auto Sweep Time and Gate functions.

System

Controls overall system functions like Show Errors, Power On/Preset, Time/Date, Alignments, and Config I/O.

Programming Fundamentals

SCPI Language Basics

Covers SCPI command structure, keywords, syntax, parameters, and special characters.

Improving Measurement Speed

Provides tips to optimize program speed by turning off display, using binary format, minimizing transactions, etc.

Using the LAN to Control the Instrument

Details using ftp, Telnet, Socket LAN, SICL LAN, and VEE for instrument control.

Using the STATus System

Status System Commands

Lists IEEE commands and STATus subsystem commands for monitoring instrument status.

Using the Status Registers

Explains status registers hierarchy, polling vs. SRQ methods, and SCPI commands.

Menu Maps: Spectrum Analysis

AMPLITUDE Y Scale Key, 1 of 2

Diagrams the AMPLITUDE Y Scale menu flow, including Amplitude, Corrections, and Y Axis Units.

AMPLITUDE Y Scale Key, 2 of 2

Auto Couple Key, 1 of 3

Auto Couple Key, 2 of 3

Auto Couple Key, 3 of 3

BW/Avg Key

Det/Demod Key

Display Key, 1 of 2

Display Key, 2 of 2

File Key, 1 of 6

File Key, 2 of 6

File Key, 3 of 6

File Key, 4 of 6

File Key, 5 of 6

File Key, 6 of 6

FREQUENCY Channel Key

Diagrams the FREQUENCY/Channel menu, including Center Freq, Start Freq, Stop Freq, CF Step, Freq Offset, and Signal Track.

Input/Output Key

Input/Output, 2 of 2

Marker Key

Diagrams the Marker menu flow, including Select Marker, Normal, Delta, Delta Pair, Span Pair, and Off modes.

Marker --> Key

Marker Fctn Key

MODE Key

Peak Search Key

Diagrams the Peak Search menu flow, including Peak Search modes and parameters.

SPAN X Scale Key

Illustrates the SPAN X Scale menu flow, covering Span, Span Zoom, Full Span, Zero Span, and Last Span.

Sweep Key

Diagrams the SWEEP menu flow, including Sweep Time, Sweep mode, Auto Sweep Time, and Gate functions.

System Key, 1 of 4

System Key, 2 of 4

System Key, 3 of 4

System Key, 4 of 4

Trace/View Key

Trig Key

Illustrates the Trig menu flow, covering trigger modes like Free Run, Video, Line, Ext Front, Ext Rear, RF Burst, Trig Slope, Trig Delay, and Trig Offset.