Agilent Technologies E4404B Guida rapida

Installation Note

Part Number E4404-90007 Supersedes: E4404-90006

Printed in USA July 2005

Agilent Technologies

E4404B/05B Spectrum Analyzers and

E7403A/04A EMC Analyzers

Low Frequency Extension (Option UKB)

Retrofit Kit

Notice.

The information contained in this document is subject to change without notice.

Agilent Technologies makes no warranty of any kind with regard to this material, including but not

limited to, the implied warranties of merchantability and fitness for a particular purpose. Agilent

Technologies shall not be liable for errors contained herein or for incidental or consequential

damages in connection with the furnishing, performance, or use of this material.

Installation Note E4404-90007 3

Introduction

This procedure can be used to retrofit a 100 Hz Low Frequency Extension (Option UKB) into your analyzer.

This kit contains nameplates and connector labels for all models listed. Only one nameplate and one

connector label will be used for each model.

To ensure that this newly installed option is functioning properly, the procedure that follows includes the

requirement of performing certain adjustments and performance verification tests. However, the completion

of these tests does not guarantee that the instrument meets all advertised specifications.

Software is required to perform the required adjustments, and can be used to automate the performance

verification testing. Information on how to obtain this software can be found at:

www.agilent.com/find/calibrationsoftware

While Agilent does recommend that a full calibration be performed after the installation of this upgrade, the

end user must ultimately determine whether they want this service or not. If a full calibration is required,

arrangements regarding the level of calibration must be made between the end user and the calibration

provider.

Products Affected: . . . . . . . . . . . . . . . . . . . . . . . . . . E4404B, E4405B

E7403A, E7404A

Serial Numbers:. . . . . . . . . . . . . . . . . . . . . . . . . . . . Any

Options: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . UKB

To Be Performed By: . . . . . . . . . . . . . . . . . . . . . . . . (X) Agilent Technologies Service Center

(X) Personnel Qualified by Agilent

( ) Customer

Estimated Installation Time: . . . . . . . . . . . . . . . . . 3.0 Hours

Estimated Verification Time: . . . . . . . . . . . . . . . . . 2.0 Hours

Additional Recommended Task: . . . . . . . . . . . . . . . Agilent recommends a full calibration be performed to

verify instrument specifications

Installation Note E4404-90007

Installation Kit Parts Lists

Quantity Description Part Number

1 Cable Assembly, Filtered Low Band RF Input (W35) E4404-20026

1 Connector Label, E4404B/E7403A Option UKB E4404-80007

1 Connector Label, E4405B/E7404A Option UKB E4405-80005

1 Nameplate, E4404B Option UKB E4404-80008a

a. ESA unique material

1 Nameplate, E4405B Option UKB E4405-80006a

1 Nameplate, E7403A Option UKB E7403-80002b

b. EMC unique material

1 Nameplate, E7404A Option UKB E7404-80002b

1 Option UKB Retrofit Installation Note this note

1 Option Upgrade Entitlement Certificate ---

Installation Note E4404-90007 5

Tools Required

• T-10 TORX screwdriver

• T-15 TORX screwdriver

• Flat-blade screwdriver

• Sharp knife or razor blade

• Function Generator

• Synthesized Sweeper

• Digital Voltmeter

• Power Meter, Dual-Channel

• RF Power Sensor (2 required)

• Microwave Power Sensor

•50ΩTermination

• Power Splitter

• 20 dB Attenuator

• APC 3.5 (m) Cable Assembly

• APC 3.5 (m) to Type N (m) Adapter

• APC 3.5 (m) to Type N (f) Adapter

• BNC Tee (f,m,f)

• Dual Banana to BNC (f) Adapter

Torque Settings

To avoid potential RFI leakage and prevent connector damage, tighten to the following torque limits:

Item Torque

In-lb N-cm

SMA Connectors 8.5 95

3-mm, T-10 TORX screws 9 102

4-mm, T-15 TORX screws 21 236

Installation Note E4404-90007

Procedure

Verify A8A1 3 GHz RF Assembly Part Number

1. Turn on the analyzer and wait for the initial adjustments to complete.

2. Press System, More, Show Hdwr. This displays the Show Hardware screen, which lists the part number and

serial number of most of the installed board assemblies.

3. Locate the part number of the “50Ω3 GHz Input” assembly.

4. If the part number of the 50Ω3 GHz Input assembly is E4403-60033 or lower, the A8A1 3 GHz RF

assembly must be replaced. If the analyzer does not have the High Stability Frequency Reference,

Option 1D5, order E4403-60073. If the analyzer does have Option 1D5, order E4403-60074.

WARNING Before you disassemble the instrument, turn the power switch OFF and unplug the

instrument. Failure to unplug the instrument can result in personal injury.

CAUTION Electrostatic discharge (ESD) can damage or destroy electronic components. All work on

electronic assemblies should be performed at a static-safe workstation. Refer to the

documentation that pertains to your instrument for information about static-safe workstations

and ordering static-safe accessories.

Installation Note E4404-90007 7

Dress Cover Removal

1. Referring to Figure 1, disconnect the analyzer from ac power (1).

2. Remove any adapters or cables (2) connected to the front frame.

3. Carefully place the analyzer on the work surface with the front frame (3) facing down.

4. Position the handle (4) as shown.

5. Remove the four screws (5) that hold the rear frame and dress cover in place.

6. Remove the rear frame (6).

7. Pull the dress cover (7) off towards the rear of the analyzer.

Figure 1 Dress Cover and Rear Frame Removal

Installation Note E4404-90007

Chassis Cover Removal

1. Lay the analyzer flat as shown in Figure 2.

2. Remove the 15 screws (2) and (3) attaching the chassis cover to the chassis. Note that the number of

screws attaching the chassis cover may vary with option mixes.

3. Remove the chassis cover (1) from the chassis.

Figure 2 Chassis Cover Removal

Installation Note E4404-90007 9

A1 Front Frame Assembly

CAUTION Use ESD precautions when performing this replacement procedure.

1. Refer to Figure 3. Remove the two screws (1), on the bottom side of the instrument, that secure the front

frame to the RF assembly.

Figure 3 A1 Front Frame Assembly Removal

2. Place the instrument with the top side facing up and remove the remaining two screws (2) that secure the

front frame subpanel to the chassis.

3. Slide the front frame forward until it catches on the tabs on the sides of the chassis.

Installation Note E4404-90007

4. Refer to Figure 4. Disconnect the ribbon cable (1) from the A1A1 front panel interface board.

NOTE Analyzers with Option B7B will have a second ribbon cable connecting to A1A1.

Disconnect the second ribbon cable if present.

Figure 4 Front Frame Ribbon Cable

5. Carefully pull the sides of the front frame subpanel away from the chassis and over the tabs on the

chassis.

6. Slide the front frame forward to disengage from the chassis assembly.

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