Keysight Technologies E8251-60384 Guida rapida

Kit Part Numbers:

E8251-60384 - For Option 513 and 520

E8251-60385 - For Option 532 and 540

E8251-60383 - For Options 550 and 567

Keysight E8257D/57N, E8663D

PSG Signal Generators

Add Option 1E1 (Attenuator)

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

E8251-90302

Edition

Edition 1, June 2018

Supersedes June 2016

Printed in USA/Malaysia

Published by:

Keysight Technologies, Inc.

1400 Fountaingrove Parkway

Santa Rosa, CA 95403

Installation Note E8251-90302 3

Add Option 1E1 (Attenuator) Kit Part Numbers: E8251-60384, E8251-60385, and E8251-60383

Add Option 1E1 (Attenuator)

Kit Part Numbers: E8251-60384, E8251-60385, and E8251-60383

Introduction

This upgrade kit adds Option 1E1 (Attenuator) to the E8257D (Analog) PSG Signal Generators.

Installation includes the following major steps, starting on page 7:

1. Check signal generator functionality, page 6.

2. Remove the outer and inner signal generator covers, starting on page 7.

3. Install Option 1E1, page 10.

4. Activate Option 1E1, page 14.

5. Verify proper installation of Option 1E1, page 18

6. Re-assemble the signal generator, page 18.

7. Verify signal generator calibration, page 19.

Product Affected: . . . . . . . . . . . . . . . . . . . . . . . . . E8257D/57N, E8663D

Serial Numbers: . . . . . . . . . . . . . . . . . . . . . . . . . . All

Options: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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

(X) Personnel Qualified by Keysight Technologies

(X) Customer

Estimated Installation Time: . . . . . . . . . . . . . . . 1.5 hours

Estimated Verification Time: . . . . . . . . . . . . . . . Option 513/520 = 8 hours

Option 532/540 = 15 hours

Option 550 = 16 hours

Option 567 = 16 hours

4Installation Note E8251-90302

Add Option 1E1 (Attenuator) Kit Part Numbers: E8251-60384, E8251-60385, and E8251-60383

Installation Kit Parts List

Table 1 E8251-60384, for Option 513/520

Item Quantity Description Part Number

1 1 Installation Note E8251-90302

2 1 Attenuator 115 dB E8251-60070

3 1 Semi-Rigid Cable E8251-20094

4 1 Semi-Rigid Cable E8251-20580

5 1 Semi-Rigid Cable E8251-20581

6 1 Semi-Rigid Cable E8251-20587

7 2 Mounting Screw 0515-1035

8 1 Entitlement Certificate n/a

9 1 Cable clip 1400-3228

Table 2 E8251-60385, for Option 532/540

Item Quantity Description Part Number

1 1 Installation Note E8251-90302

2 1 Attenuator 115 dB E8251-60070

3 1 Semi-Rigid Cable E8251-20579

4 1 Semi-Rigid Cable E8251-20071

5 1 Semi-Rigid Cable E8251-20585

6 1 Semi-Rigid Cable E8251-20582

7 2 Mounting Screw 0515-1035

8 1 Entitlement Certificate n/a

9 1 Cable clip 1400-3228

Installation Note E8251-90302 5

Add Option 1E1 (Attenuator) Kit Part Numbers: E8251-60384, E8251-60385, and E8251-60383

Tools Required

— TORX T-10 driver

— TORX T-15 driver

— TORX T-20 driver

— 5/16” open-ended wrench

— Needle-nose pliers

—Scissors

Table 3 E8251-60383, for Options 550 and 567

Item Quantity Description Part Number

1 1 Installation Note E8251-90302

2 1 Attenuator 90 dB E8251-60393

3 1 Semi-Rigid Cable (for Options 550 and 567) E8251-20319

4 1 Semi-Rigid Cable E8251-20320

5 1 Semi-Rigid Cable E8251-20322

6 1 Semi-Rigid Cable (for Option 567) E8251-20321

7 1 Semi-Rigid Cable (for Option 550) E8251-20582

8 2 Mounting Screw 0515-1035

9 1 Entitlement Certificate n/a

10 1 Cable clip 1400-3228

6Installation Note E8251-90302

Add Option 1E1 (Attenuator) Kit Part Numbers: E8251-60384, E8251-60385, and E8251-60383

Safety Considerations

Check Signal Generator Functionality

Use the following procedure to confirm that the signal generator powers up and the internal check

identifies no errors. The internal check evaluates the operation of the signal generator and returns

an error message if it detects a problem.

1. Turn on the signal generator and let it warm up for at least five minutes.

2. Run the signal generator self-test by pressing Utility > Instrument Info/Help Mode > Self

Test > Run Complete Self Test. Upon completion, a summary of the self-test will be

displayed. Use the E8257D/67D, E8663D PSG Service Guide to troubleshoot any failures

detected by the test.

3. Check to see if the ERR annunciator is on.

—If the ERR annunciator is on, review the error messages in the error queue by pressing

Utility > Error Info. The first page of error messages in the error queue appears in the

display text area. (Refer to the signal generator error messages document for information

about each error message.)

After resolving all problems causing errors, press Clear Error Queue(s).

—If the ERR annunciator is off, the signal generator functionality check has passed.

Before you disassemble the instrument, turn the power switch off and unplug the

signal generator. Failure to unplug the signal generator 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.

When the signal generator is first connected to ac line power, the error message

ERROR 514, Reference Oven Cold occurs which causes both the OVEN

COLD annunciator and the ERR annunciator to turn on.

After approximately five minutes, the OVEN COLD annunciator automatically

clears, but the ERR annunciator remains on until all errors are cleared from the

error queue.

Some circuits may require up to 50 minutes to warm up before passing the

self-test. If self-tests continue to fail after 50 minutes of warm up, troubleshoot

the instrument.

Installation Note E8251-90302 7

Remove the Outer and Inner Signal Generator Covers

Remove the Outer Cover

Refer to Figure 1.

1. Disconnect the power cord.

2. Using a T-20 driver, loosen the two screws (1) and remove the strap handle (2).

3. Using a T-15 driver, remove the center screws (3) on the four rear-panel feet (4).

4. Remove the four bottom feet (5) from the cover by lifting the tab and sliding the foot toward

the tab.

5. Place the signal generator on its side.

6. Tilt the signal generator forward and slide the outer cover (6) back to remove it from the frame.

Remove the Inner Top Cover

Refer to Figure 2.

1. Using a T-10 driver, remove the twelve screws (1) from the inner-top cover (2).

2. Remove the inner-top cover.

8Installation Note E8251-90302

Remove the Outer and Inner Signal Generator Covers

Figure 1 Outer Cover Removal

Installation Note E8251-90302 9

Remove the Outer and Inner Signal Generator Covers

Figure 2 Inner Top Cover Removal

10 Installation Note E8251-90302

Install Option 1E1 (Instruments with Front Panel RF Output)

For instruments with rear panel RF output (Option 1EM), go to page 12.

1. Position the signal generator with the A31 Motherboard facing you and the RF deck on top.

2. Using a 5/16” open wrench, remove the semi-rigid RF cable connecting the A23 Coupler

Detector to the RF output connector.

3. Refer to Figure 3. Position the attenuator so it can be attached to the RF deck.

4. Using the T-10 driver, insert the two screws (1) through the side deck into the metal bracket

that is attached to the attenuator. Torque these screws to 9 in-lbs.

5. Using the 5/16” open ended wrench, attach the semi-rigid cable, according to the signal

generator you have, between the A23 Coupler Detector output connector and the attenuator

input connector; torque to 8 in-lbs.

—Option 513/520: W121 (E8251-20580)

—Option 532/540: W24 (E8251-20579)

—Option 550/567: W117 (E8251-20319)

6. Using the 5/16” open ended wrench, attach the semi-rigid cable, according to the signal

generator you have, between the attenuator and the RF Output connector; torque to 8 in-lbs.

—Option 513/520: W86 (E8251-20581)

—Option 532/540: W25 (E8251-20582)

—Option 550: W123 (E8251-20582)

—Option 567: W92 (E9251-20321)

7. Install AT1W1 ribbon cable to A26J13.

8. Refer to Figure 3. Install the cable clip 1400-3228 to the attenuator body and clamp AT1W1

ribbon cable as shown.

Write down the serial number for the new attenuator.

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