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Quick Start Guide N5511A-K26

39

Care and Maintenance

Cleaning Connectors

Basic Cleaning Procedure

1.

Inspect the connectors for dust, dirt, metal fragment, oils or film, and debris.

2.

Blow off any dust with a filtered, clean supply of compressed air.

3.

Add a few drops of high-purity isopropyl alcohol to a small cleaning swab (do not apply

alcohol directly to the parts).

4.

Gently wipe connecting surfaces with the end of the cleaning swab.

5.

Blow dry with compressed air.

6.

Inspect and repeat cleaning procedure if necessary.

Cleaning connectors with alcohol shall only be done with the N5511A-K26 removed from the

system, and in a well-ventilated area. Allow all residual alcohol moisture to evaporate and the

fumes to dissipate prior to reconnecting the N5511A-K26 to the system.

When using isopropyl alcohol to clean connectors do not allow the liquid to flow down inside the

connector. This may cause measurement errors due to residue inside the connector. If possible

keep the connector facing down.

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Содержание N5511A-K26

Страница 1: ...Phase Noise Measurement Interface Keysight Technologies N5511A K26 Quick Start Guide ...

Страница 2: ...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 N5511 90009 Edition Edition 1 October 2020 Supersedes none Printed in USA Published by Keysight Technologies Inc 1400 F...

Страница 3: ...ation and product information browse to one of the following URLs according to the name of your product To receive the latest updates by email subscribe to Keysight Email Updates at the following URL http www keysight com find MyKeysight Information on preventing instrument damage can be found at http keysight com find PreventingInstrumentRepair Product specific information and support software an...

Страница 4: ...ting Precautions page 27 Warnings and Cautions page 27 Instrument Information page 28 N5511A K26 Rack Mount Instructions page 31 Rack Mount Ventilation page 35 Care and Maintenance Connector Care page 36 Return Procedure Determining your instrument s serial number page 40 Shipping Your Analyzer to Keysight for Service or Repair page 40 ESD Information Protection from Electrostatic Discharge page 4...

Страница 5: ...al is processed by a two port device Such devices include amplifiers dividers filters mixers multipliers phase locked loop synthesizers or any other two port electronic networks To measure this noise component a stimulus signal is split to LO ports of a double balanced mixer phase detector and to the DUT in the RF path of the phase detectors Phase shifters are used to set 90 degrees offset quadrat...

Страница 6: ... The PNMI contains all the necessary accessories to perform such measurements The purple box outline in Figure 2 captures the accessories contained in the PNMI These include 3 splitters 2 phase shifters 1 coupler Figure 2 Accessories for Dual Channel Additive Noise Measurement ...

Страница 7: ...Quick Start Guide N5511A K26 7 N5511A K26 Phase Noise Measurement Interface Figure 3 shows a top view of the internal contents of a PNMI Figure 3 PNMI Internal Components ...

Страница 8: ...8 Quick Start Guide N5511A K26 N5511A K26 Phase Noise Measurement Interface Connections Figure 4 Front View of Connections Figure 5 Diagram Equivalent ...

Страница 9: ...easurement features CMMIC CMD274P 8 SMA cables to match Figure 4 and Figure 5 Signal Analyzer this is only used for setting up the calibration tone Stimulus source Calibration source Connections Wire the system using the diagram Figure 5 and the PNMI Figure 4 for the front view of the PNMI connections To prevent damage to the test system s hardware components verify that the input signal is within...

Страница 10: ...e N5511A User s Guide Setup Stimulus PSG Frequency 7 2 GHz Amplitude 14 dBm Set SSB Cal Tone Refer to Figure 6 Set the cal source to be at a 1 kHz offset from the stimulus carrier at the output of the coupler and 40 dB relative to the carrier level A signal analyzer should be used to verify the cal tone The easiest location to measure with the analyzer is at the RF path to channel 2 Figure 6 SSB C...

Страница 11: ... Measurement Procedure Start the N5510A application Measurement Type and Range At the top of the main application window click Define and select Measurement from the drop down menu Define Measurement The following window will appear Figure 7 Type and Range Window ...

Страница 12: ...fine Measurement window 1 Choose Measurement Type Measurement Type Residual Phase Noise without using phase locked loop 2 Choose Channel Setup Channel Setup Dual 3 Set X Corr Number FFT Analyzer Minimum Number of Cross Correlations 10 4 Set Start and Stop Offsets Start Offset 100 Hz Stop Offset 10 MHz ...

Страница 13: ...Example Source Configuration Next we will configure the settings for the DUT and the reference source REF Choose the Source tab in the Define Measurement window The following window will appear Figure 8 Source Window 1 Set Carrier Carrier Frequency 7 2 GHz ...

Страница 14: ...14 Quick Start Guide N5511A K26 Amplifier Measurement Example Cal Configuration Choose the Cal tab in the Define Measurement window The following window will appear Figure 9 Cal Window ...

Страница 15: ...Start Guide N5511A K26 15 Amplifier Measurement Example 1 Configure Phase Detector Constant Cal Derive detector constant from single sided spur 2 Known Spur Parameters Amplitude 40 dBc Offset Frequency 1 kHz ...

Страница 16: ...Quick Start Guide N5511A K26 Amplifier Measurement Example Block Diagram Setup Choose the Block Diagram tab in the Define Measurement window The following window will appear Figure 10 Block Diagram Window ...

Страница 17: ... Start Guide N5511A K26 17 Amplifier Measurement Example 1 Phase Shifter Select Manual from the Phase Shifter pull down menu 2 Phase Detector Select Automatic Detector from the Phase Detector pull down menu ...

Страница 18: ...18 Quick Start Guide N5511A K26 Amplifier Measurement Example Graph Configuration Choose the Graph tab in the Define Measurement window The following window will appear Figure 11 Graph Window ...

Страница 19: ... N5511A K26 19 Amplifier Measurement Example Set the graph parameters for the graph display 1 Set X Scale X Scale Minimum 100 Hz X Scale Maximum 10 MHz 2 Set Y Scale Y Scale Minimum 40 dBc Hz Y Scale Maximum 180 dBc Hz ...

Страница 20: ...ent prompt appears click Yes When the Connect Diagram dialog box appears click on the hardware down arrow and select your hardware configuration from the pull down list Click Continue To prevent damage to the test system s hardware components verify that the input signal is within the test system s power limits Refer to the N5511A Data Sheet online ...

Страница 21: ...about residual phase noise measurements calibration types If the software prompts to Establish Quadrature Manually adjust the phase difference at the phase detector until the voltmeter at the right hand side of the display reads approximately 0 V refer to Figure 12 Click Continue To do this turn the knob for the respective channel on the PNMI The software will prompt to establish quadrature for ea...

Страница 22: ...22 Quick Start Guide N5511A K26 Amplifier Measurement Example Figure 12 Quadrature Meters ...

Страница 23: ...ment Example Phase Shifters on N5511A K26 PNMI The system will then prompt you to Apply modulation to the Carrier At this moment turn on the RF from the calibration source The system will prompt you to Remove Modulation Turn off calibration source RF ...

Страница 24: ...ent Example The system will now measure the noise data The segment data will be displayed on the computer screen as the data is taken until all segments have been taken over the entire range you specified in the Measurement definition s Type and Range ...

Страница 25: ... Guide for more information on the use of amplifiers in a dual channel measurement Adding accessory amplifiers at LO inputs is convenient but should also not be used unless necessary to meet power requirements The amplifiers will add noise that needs to be cross correlated out and can add to measurement time Only use them to meet minimum requirements to turn on the mixer diodes or to increase the ...

Страница 26: ...Dampening N5511A K26 Phase Noise Measurement Interface has been carefully designed and tested to reduce spurious signals produced from mechanical vibrations Rack Mounting N5511A K26 PNMI is a 1U rack mountable accessory Refer to the N5511A K26 Rack Mount Instructions on page 31 ...

Страница 27: ...beyond a WARNING notice until the indicated conditions are fully understood and met A CAUTION notice denotes a hazard It calls attention to an operating procedure practice or the like that if not correctly performed or adhered to could result in damage to the product or loss of important data Do not proceed beyond a CAUTION notice until the indicated conditions are fully understood and met No oper...

Страница 28: ...hock vibration altitude and power line conditions Test Methods are aligned with IEC 60068 2 and levels are similar to MIL PRF 28800F Class 3 Instrument Weight kg 10 kg approx Instrument Dimensions H x W s L mm 55 H x 444 W x 450 L 480 L including knobs This product is designed for use in INSTALLATION CATEGORY I and POLLUTION DEGREE 2 Environmental Condition Requirement Temperature Operating condit...

Страница 29: ...B 001 du Canada ISM GRP 1 A Class A indicates that this is an Industrial Scientific and Medical Group 1 Class A product ccr keysight keysight com The Keysight email address is required by EU directives applicable to our product China Restricted Substance Product Label The EPUP environmental protection use period number in the center indicates the time period during which no hazardous or toxic subs...

Страница 30: ...ice are available on the Web at http www keysight com find assist If you do not have access to the Internet contact your field engineer In any correspondence or telephone conversation refer to the Keysight product by its model number and full serial number With this information the Keysight representative can determine the warranty status of your unit ...

Страница 31: ...ng the N5511A K26 in a Keysight rack Figure 13 Rack Mount Parts Item Description 1 Rack Mount Bracket Left 2 Rack Mount Bracket Right 3 Rack Mount Flange Left 4 Rack Mount Flange Right 5 Rack Mount Flange Pad Qty 2 6 Screw Machine 90 DEG FLT HD Torx T20 M4X0 7 16 mm Qty 2 7 Screw with Nylon Washer Pan HD Phillips 10 32 0 625 in Phantom Gray Qty 4 ...

Страница 32: ...ge Pad to expose the adhesive Slide the adhesive side of the pad over the flange tab and press into place to adhere to the flange Repeat procedure for both flanges Figure 14 Flange Pad Installation 2 Refer to Figure 15 Remove the two screws indicated from the N5511A K26 These screws will not be reused Figure 15 Remove Screws from N5511A K26 ...

Страница 33: ...1A system as shown in Figure 16 Leave the feet on the N5511 K26 Figure 16 N5511A K26 Install into Rack 4 Refer to Figure 17 Install the two rack mount flanges using the two screws provided Item 6 on page 31 Torque the screws to 21 inch pounds Figure 17 Flange Installation Do not install any other instrument above the N5511 K26 in the rack ...

Страница 34: ...eft Rack Mount Bracket over the flange pad until the holes align with the rack holes Install the two screws Item 7 on page 31 to secure to the rack Repeat procedure on the other side with the right Rack Mount Bracket Torque the screws to 21 inch pounds Figure 18 Bracket Installation 6 Final Assembly ...

Страница 35: ...her instrument Another area of concern is verification that the maximum ambient operating temperature of the instrument s is not exceeded by cabinet installation Keysight recommends forced air convection whenever an instrument s are installed in a cabinet and further recommends that the maximum operating temperature of the cabinet be reduced 10 C from the lowest of the maximum operating temperatur...

Страница 36: ...effect on electrical or mechanical performance Magnification is of great use in analyzing the nature and cause of damage and in cleaning connectors but it is not required for inspection Obvious defects or damage Examine the connectors first for obvious defects or damage Plating Bare metal showing Burrs or blisters Deformed threads Center conductors Bent Broken Misaligned Concentricity Connector nu...

Страница 37: ... Contact Integrity Refer to the following for visual guidelines when evaluating the contact integrity of a connector Concentricity The following examples show the concentricity of both the male and female 1 0 mm connectors Female connector Male Connector ...

Страница 38: ...ctors mate there is usually a slight resistance 6 Initial tightening can be done by hand or with an open end wrench Tighten until snug or where the connectors are first making contact The preliminary connection is tight enough when the mating plane surfaces make uniform light contact Do not over tighten this connection At this point all you want is for the outer conductors to make gentle contact o...

Страница 39: ...ces with the end of the cleaning swab 5 Blow dry with compressed air 6 Inspect and repeat cleaning procedure if necessary Cleaning connectors with alcohol shall only be done with the N5511A K26 removed from the system and in a well ventilated area Allow all residual alcohol moisture to evaporate and the fumes to dissipate prior to reconnecting the N5511A K26 to the system When using isopropyl alco...

Страница 40: ...nt s serial number When Keysight Technologies manufactures an instrument it is given a unique serial number This serial number appears on a label on the rear panel of the instrument Shipping Your Analyzer to Keysight for Service or Repair If you wish to send your instrument to Keysight Technologies for service or repair Include a complete description of the service requested or of the failure and ...

Страница 41: ...container or a strong shipping container The shipping container must be large and strong enough to accommodate your instrument and allow at least 3 to 4 inches on all sides for packing material 4 Seal the shipping container securely with strong nylon adhesive tape 5 Mark the shipping container FRAGILE HANDLE WITH CARE to help ensure careful handling 6 Use the address obtained from your Keysight cu...

Страница 42: ...table mat and wrist strap combination Conductive floor mat and heel strap combination Both types when used together provide a significant level of ESD protection Of the two only the table mat and wrist strap combination provides adequate ESD protection when used alone To ensure user safety the static safe accessories must provide at least 1 megohm of isolation from ground Figure 19 Example of a St...

Страница 43: ...nector momentarily short the center and outer conductors of the cable together Personnel should be grounded with a 1 megohm resistor isolated wrist strap before touching the center pin of any connector and before removing any assembly from the analyzer Be sure that all analyzers are properly earth grounded to prevent build up of static charge For Additional Information about ESD For more informati...

Страница 44: ...This information is subject to change without notice Keysight Technologies 2020 Edition 1 October 2020 N5511 90009 www keysight com ...

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