Keysight Technologies N9030B Manual de instalación y operación

Option HL2 Microwave Preselector Bypass

(MPB) and Low Noise Path (LNP)

for mm-Wave Instruments

Keysight Technologies

N9030B PXA Signal Analyzer

Installation Note

Notices

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

Keysight 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.

Keysight 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.

Manual Part Number

N9030-90084

Edition

Edition 1, February 2016

Printed in USA/Malaysia

Published by:

Keysight Technologies, Inc.

1400 Fountaingrove Parkway

Santa Rosa, CA 95403

Installation Note N9030-90084 3

Option HL2 Microwave Preselector Bypass (MPB) and Low Noise Path (LNP) Retrofit Kit

Option HL2 Microwave Preselector Bypass (MPB) and

Low Noise Path (LNP) Retrofit Kit

Introduction

This installation note explains how to install the hardware, and provides guidelines for adjustment

and verification for Option MPB, Microwave Preselector Bypass, and Option LNP, Low Noise Path.

Please note that the Option HL2 kit designator is only an ordering number.

Option MPB provides a mechanical switch and associated hardware that bypass the A12 YTF (YIG

Tuned Filter). The YTF limits the bandwidth of the input signal and also this filter can drift causing

slight amplitude errors.

Option LNP provides a mechanical switch and associated hardware to bypass the A11 Low Band

Assembly when the instrument is tuned to frequencies above 3.6 GHz (High Band path). The A11

Low Band assembly contributes loss to the input signal path and reducing this loss improves the

Display Average Noise Level of the instrument. SHI performance increases also.

Products Affected: N9030B PXA, Option 544 and 550

Serial Numbers: All

To Be Performed By: (X) Keysight Service Center

(X) Personnel Qualified by Keysight

( ) Customer

Estimated Installation Time:

Estimated Adjustment Time:

Estimated Verification Time:

2.5 Hours

8.0 Hours

5.0 Hours

The instrument must be readjusted and the performance tested to assure the instrument meets

specifications following the hardware installation. The X- Series Performance Verification and

Adjustment Software must be used. All adjustments are automated. This software is included in

the N7814A performance test & adjustment software package, revision E.16.00 or greater.

The option is licensed for one instrument model number/serial number combination. The license

file that is downloaded from the web will only install on the designated instrument.

4Installation Note N9030-90084

Option HL2 Microwave Preselector Bypass (MPB) and Low Noise Path (LNP) Retrofit Kit

Installation Kit Parts List

Quantity Description Keysight Part Number

1 Installation Note This note

1 Option Upgrade Entitlement Certificate 5964-5178

1 Transfer Switch (SW4) 87222-60031

1 Transfer Switch, (top switch) (SW3) 87222-60029

1 Bracket, Switch N9020-00021

1 Cable, Wire Harness, Preselector Bypass Control E4410-60159

1 Cable, Coax, YTF - Bottom Switch port 3 N9020-20129

1 Cable, Coax, Bottom Switch Port 2 to Front End Assembly J 9 N9020-20130

1 Cable, Coax, Bottom Switch port 4 to YTF N9020-20128

1 Cable, Coax, Bottom Switch Port 1 to Top Switch Port 2 N9020-20151

1 Cable, Coax, Attenuator B - Top Switch Port 1 N9020-20171

1 Cable, Coax, Top Switch Port 4 to Low Band Switch Assembly J1 N9020-20125

1 Cable, Coax, Low Band Switch Assembly J3 to Top Switch Port 3 N9020-20127

1 Cable, Ribbon, Top Switch Control to Front End Controller Assembly J802

connector

N9020-60177

6 Screw M2.5 x 0.45 (6 mm long) Pan Head 0515-1934

14 Screw M3 x 0.5 (6 mm long) Flathead 0515-1946

2 Screw M3 x 0.5 (8 mm long) Flathead 0515-2032

2 Screw M3 x 0.5 (8 mm long) Pan Head 0515-0372

1 Connector Body (used on wire harness) 1252-1873

Installation Note N9030-90084 5

Option HL2 Microwave Preselector Bypass (MPB) and Low Noise Path (LNP) Retrofit Kit

Tools Required

—T-8TORXDriver

— T-10 TORX Driver

— T-20 TORX Driver

— 5/16-inch torque wrench

— Keysight Calibration and Adjustment Software, N7814A, revision E.16.00 or greater

— Test equipment and computer supported by the X- Series Performance Tests and Adjustment

Software

— PXA Signal Analyzer Service Guide. This manual is available online at the following URL:

www.keysight.com/find/N9030B_service_guide

— Microsoft Windows based personnel computer with internet access and USB port

— USB storage device with > 2 GB free memory

Initial Instrument Functionality Check

Power on the instrument and allow the instrument to boot up. Run an alignment and display the

measurement screen. (The instrument will probably display a spectrum analyzer screen and you will

see the instrument sweeping.)

There should be no alignment failures. If there are failures, investigate and fix the problem before

continuing.

Before you disassemble the instrument, turn the power switch to Standby and unplug the

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

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.

6Installation Note N9030-90084

Option HL2 Microwave Preselector Bypass (MPB) and Low Noise Path (LNP) Retrofit Kit

Installation Procedure

Remove the instrument outer case, top brace, front panel, and right side chassis (RF side

bracket)

See the Instrument Outer Case, Top Brace, front frame, and RF area removal procedures in the

Service Guide’s “Assembly Replacement Procedures” chapter. If Option EXM External Mixing is

present, disconnect the semi-rigid cable connections behind the LO/IF input before removing the

front frame.

Installing the retrofit kit

Removing Cables

1. Refer to Figure 1. Locate Attenuator B (2) on the right side of the instrument, and remove

cable W6 from between Attenuator B and the Low Band Switch Assembly (3). This cable will

not be reused.

Figure 1 RF Section

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.

Make sure any adapters on the front panel are removed.

Installation Note N9030-90084 7

Option HL2 Microwave Preselector Bypass (MPB) and Low Noise Path (LNP) Retrofit Kit

2. Locate the YTF (4) and remove W56 from between the YTF and the Low Band Switch

Assembly (3), and remove W57 between the YTF and the Front End Assembly at J9. These

cables will not be reused.

3. Disconnect the W7 ribbon cable from the Low Band Switch Assembly.

Installing Switches and Control Cables

1. Refer to Figure 2. Locate the two switches and the switch bracket in the kit.

Figure 2 Bracket Mount to Switches

2. Attach the switches (2) and (4) to the bracket with the 0515-1934 screws. Note that the

switch with the wire pigtail (4) mounts below the switch without the pigtail (2).

Torque to 6 inch-lbs.

8Installation Note N9030-90084

Option HL2 Microwave Preselector Bypass (MPB) and Low Noise Path (LNP) Retrofit Kit

3. Refer to Figure 3. Locate the switch wire harness (1) and the empty connector body

1252-1873 (2). Plug the empty connector body into the switch wire harness connector that

has the orange, black, green wires. Plug the wire harness that has the yellow, black, green

wires into the bottom switch harness as shown

Figure 3 Switch Wiring

4. Locate the ribbon cable (3) in the kit and install it onto the top switch. Note the cable must

have a fold in it as shown. Ribbon cable (4) is the existing W7 cable removed from the Low

Band Switch Assembly earlier. Notice how this cable will be routed between the switches. The

other end of this cable should still be attached to the Front End Control Assembly. Notice the

fold in the ribbon cable.

Installation Note N9030-90084 9

Option HL2 Microwave Preselector Bypass (MPB) and Low Noise Path (LNP) Retrofit Kit

5. Refer to Figure 4. Position the switch/bracket assembly into the frame. Route W7 ribbon cable

between the switches. Notice the position of the other ribbon cable W55 and wire harness

W12. Secure the switch assembly with two 0515-2032 screws (1). Torque to 9 inch-lbs. Insert

W7 ribbon cable into Low Band Switch header. Ensure the locking tabs are engaged.

Figure 4 Cable Routing

10 Installation Note N9030-90084

Option HL2 Microwave Preselector Bypass (MPB) and Low Noise Path (LNP) Retrofit Kit

Installing Semi-Rigid Cables

1. Refer to Figure 5. Locate W52 N9020-20125 (1), and W54 N9020-20127 (2), in the kit and

install them as shown. Torque cables to 10 inch-lbs.

Figure 5 W52 and W54 Cable Installation

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