Agilent Technologies PSA Series Installations- und Betriebshandbuch

Installation Note

Part Number E4440-90613 Supersedes: E4440-90324

Printed in USA April 2008

Agilent PSA Series Spectrum Analyzers

Switchable Microwave Preselector Bypass

Option 123

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 E4440-90613 3

Switchable Microwave Preselector Bypass Installation Kit

Switchable Microwave Preselector Bypass

Installation Kit

Introduction

This installation note explains how to install the Switchable Microwave Preselector

Bypass into newer instruments that have the serial prefix listed above.

Because the mixer in this kit requires the same FELOMA LO output that the external

mixing option AYZ requires, the two options cannot be installed at the same time.

The retrofit adds a switchable alternate signal path when the analyzer start frequency is

above 3.05 GHz. This alternate path bypasses the preselector filter and mixer in the

normal highband path. The advantage of bypassing the preselector is that the

preselector filter will drift with time and temperature and will cause small amplitude

errors.

When the preselector is bypassed, images, multiples and out of band responses will

appear on the analyzer display since there is no longer a bandpass filter present to limit

the input frequency range of the analyzer. Therefore, the display may show many signal

responses even though only one response is the true signal. Since the preselector can be

switched in or out easily, it is possible to find a signal in preselected mode and tune to it,

then switch the preselector out and measure it.

Products Affected: PSA E4446A

PSA E4447A

PSA E4448A

Serial Numbers: US4430 / US9999

MY4430 / MY9999

SG4430 / SG9999

To Be Performed By: (X) Agilent Service Center

(X) Personnel Qualified by Agilent

( ) Customer

Estimated Installation Time:

Estimated Adjustment and Verification Time:

2.5 Hours

5.5 Hours (see note 1)

Additional Recommended Task Agilent recommends that a full calibration be

performed to verify instrument specifications.

(see note 2)

4Installation Note E4440-90613

Switchable Microwave Preselector Bypass Installation Kit

NOTE

1. The installation of this kit requires that some re-adjustment and performance testing

be performed in order to assure the new option is functioning properly. This installation

note includes a list of required adjustments and performance tests. Completing the list

of required performance tests does not guarantee the instrument meets all

specifications.

2. The instrument end user must determine whether they need a full instrument

calibration following the installation of the kit. If full calibration is required,

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

the calibration provider.

3. This option is licensed for one instrument model number/serial number combination.

The license key will only install on the designated instrument.

Installation Note E4440-90613 5

Switchable Microwave Preselector Bypass Installation Kit

Contents

Quantity Description Agilent Part

Number

1 Installation Note This note

1 Option Upgrade Entitlement Certificate 5964-5141

1 User's Guide, Volume 1 ---

1 Specifications Guide ---

1 3 dB Attenuator 0955-0246

1 Preselector Bypass Mixer 1NB7-8539

1 Mixer Bias Board E4440-60254

1 Option Driver Assembly E4440-60459

1 SW 3, Switch coax N1810-60052

1 SW 5, Switch 50 GHz 87222-60015

1 Bracket, mixer E4440-00062

1 Bracket, coax Switch E4440-00076

1 Bracket, switch E4440-00063

1 W89, Cable, coax, Switch SW3 bottom port to

RHYTHM/SBTX

E4440-60373

1 W90, Cable, flat flex, Preselector Bypass Mixer to Mixer

Bias Board

8150-5698

1 W92, Cable, Ribbon, Option Driver Assembly J8 to SW5 E4440-60455

1 W93, Cable, coax, Preselector Bypass Mixer to Switch 3

Coax Switch top port

E4440-60298

1 W94, Cable, coax, Coax Switch SW3 center connector to

3RD Converter

E4440-60373

1 W95, Cable, ribbon, Option Driver Assembly J7 to Mixer

Bias Board (opt 123)

E4440-60397

1 W96, Cable, ribbon, Driver board J9 to Coax switch E4440-60427

1 W98, Cable, semi-rigid, Preselector Bypass Mixer LO IN to

W46 / 3 dB attenuator

E4446-20074

1 W99, Cable, semi-rigid, Preselector Bypass Mixer to Switch

SW5 Port 4

E4446-20318

1 W100, Cable, semi-rigid, Switch SW5 port 1 from

attenuator. (For instruments that do not have opt 110)

E4446-20071

6Installation Note E4440-90613

Switchable Microwave Preselector Bypass Installation Kit

1 W101, Cable, semi-rigid, Switch SW4 port 4 to Switch SW5

port 1 (For instruments that have Opt 110)

E4446-20081

1 W105, Cable, semi-rigid, Switch SW5 port 2 to W34 cable

that goes to A10 RYTHM/SBTX

E4446-20080

1 W46, Cable semi-rigid, A12 FELOMA to W98 / 3 dB

attenuator

E4440-20035

1 Thermal Pad N1996-40018

12 Screw, M3 X 0.5 8 MM-LG 0515-0372

2 Screw, M3 X 0.5 18 MM-LG 0515-0666

2 Screw, M3.5 X 0.6 8 MM-LG 0515-0458

3 Screw, M2.5 X 0.45, 6 MM-LG 0515-1934

2 Screw, M3 X 0.5, 6 MM-LG 0515-0430

1 Clamp, cable, PVC 1400-0611

2 SMA Hole Plug 6960-0076

Quantity Description Agilent Part

Number

Installation Note E4440-90613 7

Switchable Microwave Preselector Bypass Installation Kit

Tools Required

❏T-8 Torx driver

❏T-10 Torx driv er

❏T-20 Torx driv er

❏9/16-inch open end wrench

❏9/16-inch nut driver

❏tweezers

❏1/4-inch deep socket driver (for instruments with Option AYZ

❏Calibration software. Latest software information and downloads available at

http://www.agilent.com/find/calibrationsoftware

❏Test equipment supported by the calibration software.

❏PSA Series Spectrum Analyzer and Service Guide. This manual is available as part of

the E4446AU, E4447AU, or E4448AU Option OBW kits.

❏Microsoft®Windows®based personnel computer using LAN connection and

CD-ROM drive.

❏GPIB Interface. Agilent 82350B or 82357B. National Instruments PCI-GPIB or

GPIB-USB-HS

❏Windows 2000®(Service Pack 4), Windows XP®(Service Pack 2)

❏Crossover cable if PC or analyzer is not connected to network. Use a CAT, RJ45 cable

with cross pinning, Agilent p/n 8121-0545

❏Firmware A.0 9.10 or later. Download the latest revision form

http://www.agilent.com/find/psa_firmware, or order the Firmware Update kit.

Depending on your model number, the firmware update kit is ordered as: Order

E444xAU (Qty.1) Option UE2 (Qty. 1), where the “x” is the last digit of the model

number. For example: E4440AU option UE2.

Microsoft®, Windows®, and Windows XP®are US registered trademarks of Microsoft Corporation.

8Installation Note E4440-90613

Installation Procedure

For assistance at any time during this procedure, get in touch with your nearest Agilent

Technologies Sales and Service Office. To find your local Agilent office access the

following URL:

http://www.agilent.com/find/assist

Preliminary Hardware Verification

1. Check for the presence of Option 110, Preamplifier by pressing System, More, Show

System, and look at the option list.

• If Option 110 is present follow the instructions in this installation note in the

section named “Installing Option 123 with Option 110”.

• If Option 110 is not present then follow the instructions in this installation note in

the section named “Installing Option 123 without Option 110”.

2. Check for the presence of Option AYZ, External Mixing, by pressing System, More,

Show System, and look at the option list.

• If Option AYZ is present it must be uninstalled before Option 123 can be installed.

a. Delete Option AYZ License by pressing System, More, More, Licensing, Option.

Use the front panel numerical key pad to enter the option designator AYZ and

press the Enter key. Press Delete Option.

b. Check that Option AYZ has been removed by pressing System, More, Show

System, and looking at the option list.

c. Follow the instructions in this installation note in the section named

“Uninstalling Option AYZ” to remove the Option AYZ hardware.

• If Option AYZ is not present, then skip the section named “Uninstalling Option

AYZ”.

Before you begin the kit installation:

The instrument should be fully functional and pass all of the power on align tests. If an

alignment test fails, either note the failure and go on with the kit installation or repair

the problem now. Since the following installation involves removing and replacing cables

and removing and reinstalling major assemblies, you must be aware of the instrument

status before you begin the kit installation.

Installation Note E4440-90613 9

Installation Procedure

Remove the Outer Case

CAUTION If the instrument is placed on its face during any of the following

procedures, be sure to use a soft surface or soft cloth to avoid damage to

the front panel, keys, or input connector.

1. Disconnect the instrument from ac power.

2. Refer to Figure 1. Remove the two handles on the sides of the instrument as shown.

Use the T-20 driver to loosen the screws that attach each handle (1). Remove the

handles.

3. Remove the four bottom feet (2). Lift up on the tabs on the feet, and slide the feet in

the direction indicated by the arrows.

4. Remove the four screws (3) that hold the rear feet (4) in place.

5. Pull the instrument cover (5) off toward the rear of the instrument.

Figure 1 Instrument Outer Case Removal

10 Installation Note E4440-90613

Installation Procedure

Remove the Top Brace

1. Refer to Figure 2. Use the T-10 driver to remove the top screws (3) (one screw is

under the security label), and the side screws (2) attaching the top brace (1) to the

deck.

2. Remove the top brace from the deck.

Figure 2 Top Brace Removal

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