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Agilent Technologies E4408B User Manual

Agilent Technologies E4408B
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Users Guide
Agilent Technologies
ESA SpectrumAnalyzers
This guide documents firmware revision A.05.xx
Manufacturing Part Number: E4401-90189
Supersedes E4401-90174 Includes changes documented in E4401-90254
Printed in USA
August 2000
© Copyright 2000 Agilent Technologies
This manual provides documentation for the following instruments:
Agilent Technologies ESA-E Series
Agilent Technologies ESA-L Series
and
E4401B (9 kHz–1.5 GHz)
E4402B (9 kHz–3.0 GHz)
E4404B (9 kHz–6.7 GHz)
E4405B (9 kHz–13.2 GHz)
E4407B (9 kHz–26.5 GHz)
E4411B (9 kHz–1.5 GHz)
E4403B (9 kHz–3.0 GHz)
E4408B (9 kHz–26.5 GHz)

Table of Contents

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Agilent Technologies E4408B Specifications

General IconGeneral
Amplitude Accuracy±0.5 dB
Input Impedance50 Ohms
Sweep Time1 ms to 1000 s
Resolution Bandwidth (RBW)1 Hz to 3 MHz
Video Bandwidth (VBW)1 Hz to 3 MHz
DetectorsPeak, Sample
InterfacesGPIB, LAN
Dimensions426 mm × 177 mm × 470 mm (16.8 in × 7.0 in × 18.5 in)
Amplitude Range+30 dBm
Input VSWR1.5:1
Third Order Intercept (TOI)+15 dBm
DisplayColor LCD

Summary

Preparing for Use

Power Requirements

Details AC and DC power requirements and specifications for analyzer operation.

AC Power Cable

Describes the three-wire power cable and grounding requirements for safe analyzer operation.

Getting Started

Making a Measurement

Guides the user through performing a basic measurement using the internal signal.

Analyzer Accuracy and the Internal Alignment Process

Explains the importance of internal alignment and warm-up time for analyzer accuracy.

Functional Testing

Displayed Average Noise Level

Details test limits and procedures for measuring average noise level across frequency ranges.

Frequency Readout Accuracy

Covers test limits, description, and required equipment for frequency readout accuracy testing.

Marker Count Accuracy

Provides procedure and test limits for verifying marker count accuracy.

Frequency Response

Details test limits, description, and required equipment for frequency response measurement.

Reference Level Accuracy

Covers test limits, description, and required equipment for reference level accuracy.

Resolution Bandwidth Switching Uncertainty

Details test limits and procedures for measuring resolution bandwidth switching uncertainty.

Scale Fidelity

Covers test limits, description, and required equipment for measuring scale fidelity.

Second Harmonic Spurious Responses

Details test limits and description for second harmonic spurious responses.

Tracking Generator Level Flatness: HP E4401B and E4411B, Options 1DN and 1DQ

Covers test limits, description, and required equipment for tracking generator level flatness.

Tracking Generator Level Flatness: E4402B, E4403B, E4404B, E4405B, E4407B and E4408B, Option 1DN

Details test limits, description, and required equipment for tracking generator level flatness.

Troubleshooting

Before You Call Agilent Technologies

Lists preliminary checks to perform before contacting support or returning the analyzer.

How to Return Your Analyzer for Service

Details procedures for returning the analyzer for servicing, including packaging.

Error Messages

Describes the four types of messages generated by the analyzer during operation.

Status Messages

Lists messages indicating conditions that may result in erroneous data.

Error Message Types

Categorizes errors into Query, Device-Specific, Execution, and Command errors.

Menu Maps

Peak Search

Details menu keys for placing markers on peaks and accessing measurement tools.

Preset

Provides starting points for measurements by selecting factory or user presets.

Front-Panel Key Reference

AMPLITUDE Y Scale

Activates amplitude menu keys for reference level, attenuation, and scale settings.

BW/Avg

Controls resolution bandwidth, video bandwidth, and averaging functions.

Det/Demod

Accesses detector functions, demodulation, speaker control, and FM gain.

Display

Controls display elements like full screen, display line, and limits.

File

Provides access to keys for viewing, saving, loading, and managing data files.

FREQUENCY Channel

Controls center, start, stop frequencies and frequency offset.

Input/Output

Configures input impedance, coupling, mixer types, and signal identification.

Marker

Controls marker functions: type, number, on/off, readout, and functions like Band Power.

Meas Control

Allows pausing, restarting, or toggling between continuous and single measurement sweeps.

Meas Setup

Configures measurement parameters for ACP, Channel Power, Occupied BW, etc.

MEASURE

Accesses measurement modes like channel power, occupied bandwidth, and harmonic distortion.

Peak Search

Places markers on peaks and accesses tools for measuring signal characteristics.

Preset

Provides a starting point by selecting factory or user-defined analyzer presets.

Save

Executes a save operation for analyzer setups, states, traces, and data.

Source

Accesses tracking generator functions for power and sweep adjustments.

Sweep

Activates sweep time function and accesses menu keys for sweep time and control.

System (Local)

Accesses System menu keys for local mode, error display, and analyzer settings.

Options and Accessories

cdmaOne Measurement Personality (Option BAC)

Provides measurements for various digital communication standards.

GSM Measurement Personality (Option BAH)

Provides measurements for various international digital communications standards.

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