Keysight Technologies E8257D Installations- und Betriebshandbuch
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Keysight E8257D/67D
PSG Signal Generators
Add Option 1EH (Improved Low Band Harmonics from
10 MHz to 3.2 GHz)
Kit Part Number: E8251-60382
Installation Note
Notices
© Copyright 2004-2015 Keysight Technologies, Inc.
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
E8251-90382
Edition
Edition 1, August 2015
Printed in USA/Malaysia
Published by:
Keysight Technologies, Inc.
1400 Fountaingrove Parkway
Santa Rosa, CA 95403
Installation Note E8251-90382 3
Add Option 1EH (Improved Low Band Harmonics from 10 MHz to 3.2 GHz) Kit Part Number:
E8251-60382
Add Option 1EH (Improved Low Band Harmonics from
10 MHz to 3.2 GHz)
Kit Part Number: E8251-60382
Introduction
This upgrade kit adds Option 1EH (Improved Low Band Harmonics) to the E8257D (Analog) and
E8267D (Vector) PSG Signal Generators.
Installation includes the following major steps, starting on page 5:
1. Check signal generator functionality.
2. Remove the outer and inner signal generator covers.
3. Install Option 1EH.
4. Activate Option 1EH.
5. Verify proper installation of Option 1EH.
6. Re-assemble the signal generator.
7. Verify signal generator calibration.
Product Affected: . . . . . . . . . . . . . . . . . . . . . . . . . E8257D/67D
Serial Numbers: . . . . . . . . . . . . . . . . . . . . . . . . . . E8257D Prefix < US/MY/SG4928
E8267D Prefix < US/MY/SG5042
Options: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
To Be Performed By: . . . . . . . . . . . . . . . . . . . . . . (X) Keysight Technologies Service Center
(X) Personnel Qualified by Keysight Technologies
(X) Customer
Estimated Installation Time: . . . . . . . . . . . . . . . 1.0 hour
Estimated Verification Time: . . . . . . . . . . . . . . . 1.0 hour
4Installation Note E8251-90382
Add Option 1EH (Improved Low Band Harmonics from 10 MHz to 3.2 GHz) Kit Part Number:
E8251-60382
Installation Kit Parts List
Tools Required
— TORX T-10 driver
— TORX T-15 driver
— TORX T-20 driver
— 5/16” open-ended wrench
— Needle-nose pliers
Item Quantity Description Part Number
1 1 Installation Note E8251-90382
2 1 A38 Low Band Switch Filter E8251-60305
3 1 W76 Semi-Rigid Cable E8251-20590
4 1 W118 Semi-Rigid Cable E8251-20588
5 1 W119 Semi-Rigid Cable E8251-20589
6 4 Cable Retainer Base E8251-40001
7 4 Cable Retainer Top E8251-40007
8 1 Entitlement Certificate 5964-5143
9 1 Entitlement Certificate Envelope 5967-7169
Installation Note E8251-90382 5
Add Option 1EH (Improved Low Band Harmonics from 10 MHz to 3.2 GHz) Kit Part Number:
E8251-60382
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 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 signal generator, turn the power switch
off and unplug the power cord. 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.
6Installation Note E8251-90382
Add Option 1EH (Improved Low Band Harmonics from 10 MHz to 3.2 GHz) Kit Part Number:
E8251-60382
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 screws (1) from the inner-top cover (2). There are twelve
screws for E8257D and eleven screws for E8267D.
2. Remove the inner-top cover.
Installation Note E8251-90382 7
Add Option 1EH (Improved Low Band Harmonics from 10 MHz to 3.2 GHz) Kit Part Number:
E8251-60382
Figure 1 Outer Cover Removal
8Installation Note E8251-90382
Add Option 1EH (Improved Low Band Harmonics from 10 MHz to 3.2 GHz) Kit Part Number:
E8251-60382
Figure 2 Inner Top Cover Removal
Install Option 1EH (For Instruments without Option UNW)
Refer to Figure 3 for steps 1-3.
Refer to Figure 4 for steps 4-14.
Refer to for Figure 7 steps 15 and 16.
1. Remove A6 thru A8.
2. Using needle-nose pliers remove the cable retainer base for W37 (E8251-20225).
3. With the A31 Motherboard facing you, using the 5/16” open-ended wrench, remove the other
end of semi-rigid cable W37.
4. Position the instrument on it’s side.
5. Place a cable retainer base on W118 (E8251-20588).
6. Insert W118 through the A31 Motherboard, at the A38 Lowband Switch Filter (IN) opening.
7. Using the needle-nose pliers, connect a cable retainer top to W118.
Installation Note E8251-90382 9
Add Option 1EH (Improved Low Band Harmonics from 10 MHz to 3.2 GHz) Kit Part Number:
E8251-60382
8. Place a cable retainer base on the other end of W118.
9. Insert W118 through the A31 Motherboard, at the A8 LB Output (OUT) opening.
10.Using the needle-nose pliers, connect a cable retainer top to W118.
11.Place a cable retainer base on W119 (E8251-20589).
12.Insert W119 through the A31 Motherboard, at the A38 Lowband Switch Filter (OUT) opening.
13.Using the needle-nose pliers, connect a cable retainer top to W119.
14.Using the 5/16” open-ended wrench, connect the other end of W119 to the
A23 Lowband Coupler/Detector.
15.Position the instrument with the RF deck on top and the front panel facing you.
16.Install the A38 Lowband Switch Filter (Option 1EH) assembly.
10 Installation Note E8251-90382
Add Option 1EH (Improved Low Band Harmonics from 10 MHz to 3.2 GHz) Kit Part Number:
E8251-60382
Figure 3 Placement of W37
W37
Andere Handbücher für E8257D
4
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2
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