Agilent Technologies ESA-E E4407B Manuale di installazione e funzionamento

Installation Note

Part Number E4407-90043 Supersedes: E4407-90034

Printed in USA July 2005

Agilent Technologies

E4407B Spectrum Analyzer

External Mixing (Option AYZ)

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.

Microsoft®is a U.S. registered trademark of Microsoft Corp.

Installation Note E4407-90043 3

Introduction

This procedure can be used to retrofit External Mixing (Option AYZ) into an E4407B spectrum analyzer.

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: . . . . . . . . . . . . . . . . . . . . . . . . . . E4407B

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

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

(X) Personnel Qualified by Agilent

(Note: must have necessary test equipment and

ESA Calibration Software.)

( ) Customer

Estimated Installation Time: . . . . . . . . . . . . . . . . . 2.0 Hours

Estimated Verification Time: . . . . . . . . . . . . . . . . . 3.0 Hours

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

verify instrument specifications

Installation Note E4407-90043

Installation Kit Parts Lists

Tools Required

• T-10 TORX screwdriver

• T-15 TORX screwdriver

• Flat-blade screwdriver

• Sharp knife or razor blade

• Synthesized Sweeper

• Power Meter, Dual-Channel

• RF Power Sensor (2 required)

• Microwave Power Sensor

• APC 3.5 (m) Cable Assembly

Torque Settings

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

Item Description Item Number

1 Adapter, SMA (f) to SMA (f) (Qty 2) 1250-1666

2 Cable Assembly, LOIS to Front Panel LO OUT E4404-20006

3 Cable Assembly, LOIS to Front Panel IF INPUT E4407-60008

4 O-Ring, 0.237 in. diameter (Qty 2) 0905-0790

5 Washer, Flat 0.255 in. ID (Qty 2) 3050-0420

6 Connector Label, Non-Opt UKB (A1MP21) E4407-80005

7 Connector Label, Opt UKB (A1MP21) E4407-80008

8 Option AYZ Installation Note this note

9 Option Upgrade Entitlement Certificate ---

10 LO Amp/IF Switch assembly E4404-60030

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 E4407-90043 5

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 E440360002 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 E4407-90043

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 E4407-90043 7

Chassis Cover Removal

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

2. Remove the screws (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 E4407-90043

A1 Front Frame Assembly

CAUTION Use ESD precautions when performing this replacement procedure.

Extension

The A1 front frame assembly can be extended from the instrument without detaching any connections.

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 E4407-90043 9

Removal

To completely remove the A1 front frame assembly, complete the “Extension” procedure, then continue with

the following steps:

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

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

chassis.

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

Installation Note E4407-90043

Install A8A4 LOIS Assembly (provided in this kit)

1. Refer to Figure 5. Locate the A8A4 LO/IF Amplifier/Switch (LOIS) in the microcircuit area.

Figure 5 Removing A8A4 LOIS Assembly

2. Disconnect any cables and loads (1) from the LOIS assembly.

3. Remove the three screws (2) and remove the LOIS assembly.

4. Install the LOIS assembly supplied in this kit and secure in place with the three screws.

Tighten to 9 inch-pounds.

Caution: Use care not to pinch any cables during reassembly.

5. Reconnect the cables and loads to the correct locations. Tighten the SMA connectors to 10 inch-pounds.

6. Record the LO Dac values from the label affixed to the front of the A8A4 LOIS assembly for future use

during the LO Power adjustment.

Band = 1 Dac Value = _______________

Band = 2 Dac Value = _______________

Band = 3 Dac Value = _______________

Band = 4 Dac Value = _______________

TG LO Dac Value = _______________

EXT LO Dac Value = _______________

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