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Service Guide N5230-90014

2-5

PNA Series Microwave Network Analyzers

     General Product Information

N5230A

Analyzer Options Available

Option 898 Built-In Tests for Standards Compliant Calibration

This option enables performance tests that are built into the analyzer that enable you to 
perform ISO 17025 and ANSI Z540 standards compliant calibration of your analyzer. Refer 
to 

“Calibration Options” on page 2-10

 for a description of the standards compliant 

calibrations.

Option F06, 6 GHz Frequency Range

This is a 2-port network analyzer with an upper frequency limit of 6 GHz. This is the 
standard 6 GHz passive configuration analyzer.

Option F13, 13.5 GHz Frequency Range

This is a 2-port network analyzer with an upper frequency limit of 13.5 GHz. This is the 
standard 13.5 GHz passive configuration analyzer.

Summary of Contents for N5230A

Page 1: ...A Agilent Technologies 2 Port PNA L Microwave Network Analyzers 300 kHz 6 GHz 300 kHz 13 5 GHz Part Number N5230 90014 Printed in USA November 2008 Supersedes Print Date February 2008 Agilent Technolo...

Page 2: ...ct Software is delivered and licensed as Commercial computer software as defined in DFAR 252 227 7014 June 1995 or as a commercial item as defined in FAR 2 101 a or as Restricted computer software as...

Page 3: ...iliarize yourself with each of the notes and its meaning before operating this instrument All pertinent safety notes for using this product are located in Chapter 1 Safety and Regulatory Information W...

Page 4: ...presentation and access the analyzer s Web page The Installation and Quick Start Guide helps you to quickly familiarize yourself with the analyzer Procedures are provided for installing configuring a...

Page 5: ...Mode 2 4 Option 1CM Rack Mount Flange Kit for Instruments without Handles 2 4 Option 1CP Rack Mount Flange Kit for Instruments with Handles 2 4 Option 1E1 Source Attenuators 2 4 Option 221 2 Port Fron...

Page 6: ...ts Agilent N7840A Software Package 3 28 Source Power Accuracy Test 3 28 Source Maximum Power Output Test 3 29 Source Power Linearity Test 3 29 Frequency Accuracy Test 3 30 Trace Noise Test 3 30 Receiv...

Page 7: ...e 5 2 Network Analyzer System Operation 5 3 Functional Groups of the Network Analyzer 5 3 Synthesized Source Group Operation 5 6 Basic Operation 5 6 Frequency Offset Operation Option 080 5 9 A7 and A9...

Page 8: ...Personal Safety Warnings 7 3 Electrostatic Discharge ESD Protection 7 3 Assembly Replacement Sequence 7 4 Removal and Replacement Procedures 7 5 Removing the Covers 7 6 Removing and Replacing the Fron...

Page 9: ...or Terms 8 8 Error Term Data 8 10 Option Enable Utility 8 14 Accessing the Option Enable Utility 8 14 Enabling or Removing Options 8 15 Repairing and Recovering Option Data 8 16 Installing or Changing...

Page 10: ...Contents 6 Service Guide N5230 90014 Contents...

Page 11: ...Service Guide N5230 90014 1 1 1 Safety and Regulatory Information...

Page 12: ...ter One at a Glance Section Title Summary of Content Start Page Safety Symbols Descriptions of CAUTION and WARNING symbols used throughout this manual Page 1 3 General Safety Considerations A list of...

Page 13: ...t General Safety Considerations Safety Earth Ground WARNING This is a Safety Class I product provided with a protective earthing ground incorporated in the power cord The mains plug shall only be inse...

Page 14: ...sed with external signals described in Measurement Category I but NOT with external signals described in Categories II III and IV The input of this instrument cannot be connected to the mains Servicin...

Page 15: ...ainst fire hazard replace line fuse only with same type and rating The use of other fuses or material is prohibited WARNING The detachable power cord is the instrument disconnecting device It disconne...

Page 16: ...ections always wear a heel strap when working in an area with a conductive floor If you are uncertain about the conductivity of your floor wear a heel strap always ground yourself before you clean ins...

Page 17: ...uct compliance with the Canadian Interference Causing Equipment Standard ICES 001 This is a symbol of an Industrial Scientific and Medical Group 1 Class A product This is a required mark signifying co...

Page 18: ...PU board assembly needs to be disposed of dispose of it in accordance with your country s requirements If required you may return the battery to Agilent Technologies for disposal Refer to Contacting A...

Page 19: ...Service Guide N5230 90014 2 1 2 General Product Information...

Page 20: ...Upgrades Available A list of the upgrades available for the microwave network analyzers Page 2 6 Analyzer Accessories Available A list of accessories available for the microwave network analyzers Page...

Page 21: ...omain An Option 010 analyzer can display the time domain response of a network or test device by calculating the inverse Fourier transform of the frequency domain response This calculation allows the...

Page 22: ...with Handles Option 1CP provides a rack mount kit that contains a pair of flanges cut to adapt to handles rack mount rails and the necessary hardware to mount the analyzer in an equipment rack with 48...

Page 23: ...and ANSI Z540 standards compliant calibration of your analyzer Refer to Calibration Options on page 2 10 for a description of the standards compliant calibrations Option F06 6 GHz Frequency Range Thi...

Page 24: ...ered by part number Refer to Upgrade Kits on page 6 35 for a complete list of available kits Analyzer Accessories Available CD RW Drive This accessory is an external read write CD drive with a USB cab...

Page 25: ...Freq 4 GHz Resolution BW 300 Hz 8565E 856xE A T Power meter Accuracy 0 0068 dB E4418B 19B E4418A 19Ab b If an accurate measurement of the dynamic accuracy specification is not required the E4418A or...

Page 26: ...tion Kits 3 5 mm calibration kit Freq 10 MHz to 20 GHz 85052B 85052D P T 3 5 mm verification kit Freq 10 MHz to 20 GHz 85053B None V Cables BNC cable 2 required 50 length 60 cm 8120 1839 None A 3 5 mm...

Page 27: ...N A T R T 20 TORX driver 2 4 N m 21 in lb setting N A N A T R 1 4 inch and 5 16 inch open end wrench Thin profile 8710 0510 N A A R 5 16 inch open end torque wrench metric equivalent is 8 mm 1 1 and 2...

Page 28: ...eements for this product Refer to Contacting Agilent on page 2 11 Calibration Options Option R 50C 001 Commercial Calibration with Data This option adds a calibration label a calibration certificate a...

Page 29: ...gilent Technologies reserves the right to reformat or replace the internal hard disk drive in your analyzer as part of its repair This will erase all user information stored on the hard disk It is imp...

Page 30: ...2 12 Service Guide N5230 90014 General Product Information PNA Series Microwave Network Analyzers Agilent Support Services and Assistance N5230A...

Page 31: ...Service Guide N5230 90014 3 1 3 Tests and Adjustments...

Page 32: ...Section Title Summary of Content Start Page Before You Begin Items to consider or procedures to perform before testing is begun Verify the Operating Environment Protect Against Electrostatic Discharg...

Page 33: ...in the Agilent N7840A software package Source Maximum Power Output Test Source Power Linearity Test Frequency Accuracy Test Trace Noise Test Receiver Compression Test Noise Floor Test Calibration Coef...

Page 34: ...ll the devices on top of the foam inserts so they will reach room temperature As the device dimensions change with temperature their electrical characteristics change as well It is necessary to keep t...

Page 35: ...Store connectors or adapters loose Visual Inspection Do Inspect all connectors carefully Do Not Use a damaged connector ever Look for metal particles scratches and dents Connector Cleaning Do Try comp...

Page 36: ...error corrected measurements using the same calibration kit and test cables used during the system verification routine System specifications are applicable only when the measurement system is used t...

Page 37: ...generate error correction Performance Tests Performance tests are used to confirm analyzer performance against the instrument specifications If confirmation is successful the analyzer meets the instr...

Page 38: ...repair or adjust1 Refer to Figure 3 1 for test flow Print data at the completion of all the tests even if you are aware that the analyzer did not pass If there is a failure complete the verification...

Page 39: ...Z540 1 1994 perform the preliminary checks and the performance tests while stopping to troubleshoot Refer to Figure 3 2 for test flow Troubleshoot and repair the first problem encountered without cont...

Page 40: ...e operator s check the following are determined repeatability of the RF test port switch attenuation ranges of all installed attenuators calibration of the receivers frequency response of the receiver...

Page 41: ...fferent for different PNA model numbers and installed options Some of the tests are performed only if the appropriate options are installed in the PNA Figure 3 3 Operator s Check Dialog Box If the Ope...

Page 42: ...ed but are recommended to verify the performance of the test port cable Cable Return Loss Check on page 3 13 Cable Insertion Loss Check on page 3 14 Cable Magnitude and Phase Stability Check on page 3...

Page 43: ...displays the return loss of the cable 4 From the Marker menu click Marker Search In the Marker Search dialog box in the Search Type box make sure Maximum is selected Click Execute and then click OK 5...

Page 44: ...Click Execute and then click OK 3 The displayed response is twice the actual loss To get the actual worst case insertion loss divide the value at the marker annotation by two Refer to the cable manua...

Page 45: ...measurement 50 times approximately two seconds 9 To normalize the data trace a On the Trace menu click Math Memory b In the Math Memory dialog box click the Data Memory button c In the Data Math list...

Page 46: ...s Preliminary Checks N5230A Figure 3 6 Typical Cable Magnitude and Phase Stability Response If the Cable Magnitude and Phase Stability Check Fails 1 Clean the cable and devices and torque to specifica...

Page 47: ...e Data Trace is selected e Click OK 6 To adjust the display scale a On the Scale menu click Scale b In the Scale Per Division box click the arrow to select 0 5 dB c In the Level box under Reference cl...

Page 48: ...Check connect the cable with the load attached to Port 2 and repeat steps 2 through 11 Figure 3 7 Typical Cable Connector Repeatability Response If the Cable Connector Repeatability Check Fails 1 Clea...

Page 49: ...verified You can determine your system measurement uncertainty limits by referring to the analyzer embedded on line help IMPORTANT Passing this system verification does not guarantee that the analyze...

Page 50: ...lk The random errors include noise drift connector repeatability and test cable stability A complete description of system errors and how they affect measurements is provided in the analyzer s on line...

Page 51: ...This is accomplished by measuring the devices in an Agilent verification kit The measurement of the devices in the verification kit has a traceable path because the factory system that measured the de...

Page 52: ...s For each verification device the analyzer reads a file from the verification disk and sequentially measures the magnitude and phase for all four S parameters IMPORTANT For system verification to per...

Page 53: ...formed with a non Agilent cable ensure that the cable meets or exceeds the specifications for the test cable specified in the previous table Equipment Used in the System Verification Procedure Refer t...

Page 54: ...on page 3 27 File Tabular Data Writes the tabular data to a text file in the C Program Files Agilent Network Analyzer Documents directory File Graphs Saves a screen image in PNG format in the C Progra...

Page 55: ...n that you performed earlier 1 Disconnect and clean the device that failed the verification test 2 Reconnect the device making sure that all connections are torqued to the proper specifications 3 Meas...

Page 56: ...lts with Print Tabular Data selected in the Printer Output area of the System Verification dialog box At the top of the printed output is the name of the device the serial number of the device and the...

Page 57: ...on dialog box The printed graphical results show the following the name of the device measured the serial number of the device the parameters measured Results of the measurements Labeled as A in Figur...

Page 58: ...ccuracy Test Trace Noise Test Receiver Compression Test Noise Floor Test Calibration Coefficients Test Dynamic Accuracy Test Source Power Accuracy Test Function of the Test To confirm the accuracy of...

Page 59: ...rol ALC Specification Tested Power Sweep Range and Power Level Linearity Equipment Used A test cable And a 20 dB attenuator if the analyzer does not have an internal step attenuator Description of the...

Page 60: ...page 3 35 and then repeat this test Trace Noise Test Function of the Test To measure the stability of a signal in the internal source and receiver system of your analyzer Specification Tested Test Por...

Page 61: ...maximum power level specified for the receiver 6 The power sensor is disconnected and the signal source point is connected to the port to be tested 7 The absolute log magnitude value dBm for the refe...

Page 62: ...ble is set to 5 00 dBm 4 The power sensor is disconnected and the cable is connected to the port to be tested 5 The absolute power level in dBm log magnitude is read Plog 6 The test cable is removed a...

Page 63: ...ration 2 A test cable is attached to the first port and a calibration is performed at the end of the cable and at the second port The cable is moved to the second port and another calibration is perfo...

Page 64: ...oth the analyzer and a power sensor 4 The analyzer source and the dynamic accuracy test set create power levels that are deltas from the reference power level of 20 dBm Each delta is measured two ways...

Page 65: ...twork analyzer s 10 MHz frequency reference on the A10 frequency reference board assembly Equipment Used for the Frequency Adjustment at 10 MHz Procedure NOTE This adjustment typically adjusts to with...

Page 66: ...power meter 5 With a 5 16 inch open end wrench disconnect cable W3 at the A20 mixer brick Refer to Bottom Cables Passive Configuration Options F06 and F13 on page 6 16 to determine the location of cab...

Page 67: ...ibration Adjustment Procedure 1 Connect the equipment as shown in Figure 3 14 Connect a GPIB cable between the network analyzer and the power meter Figure 3 14 Setup for the Source Calibration Adjustm...

Page 68: ...er at Port 1 Data obtained during this adjustment are stored in the mxcalfile_pxx files on the hard disk drive The data are used in subsequent measurements If the hard disk drive is replaced these mxc...

Page 69: ...ure 3 15 Setup 1 for the Receiver Calibration Adjustment 2 On the System menu point to Service Adjustments and then click Receiver Calibration 3 Ensure the GPIB settings are correct 4 Click Calibrate...

Page 70: ...3 40 Service Guide N5230 90014 Tests and Adjustments PNA Series Microwave Network Analyzers Adjustments N5230A Figure 3 17 Setup 3 for the Receiver Calibration Adjustment...

Page 71: ...Service Guide N5230 90014 4 1 4 Troubleshooting...

Page 72: ...wer Up Troubleshooting Power up problems Power supply problems LCD problems Bootup for the network analyzer interface Page 4 6 Front Panel Troubleshooting Problems occurring after the network analyzer...

Page 73: ...dations outlined in Electrostatic Discharge Protection on page 1 6 for all of the procedures in this chapter Assembly Replacement Sequence After identifying the problem requiring an assembly to be rep...

Page 74: ...pear to be on go to Power Up Troubleshooting on page 4 6 3 Is the Windows operating system running If not refer to Operating System Recovery in Chapter 8 for instructions 4 If other equipment cables a...

Page 75: ...ion Follow the flowgraph in Figure 4 1 to help direct you to the correct section for troubleshooting the analyzer Figure 4 1 Troubleshooting Organization Flowchart Go to Power Up Troubleshooting on pa...

Page 76: ...e The display should flash and then show the hardware boot up sequence This process checks the RAM and communication with the hard disk drive These checks return an error message if a problem is detec...

Page 77: ...low When the line switch glows it is an indication that the power supply has received an ON command and that the 5 2 VDC supply can supply enough current to light at least these lamps 3 The front pane...

Page 78: ...d into an empty slot next to the A6 signal processing ADC module SPAM board NOTE If any one individual voltage supply from the A4 power supply develops an over voltage or over current problem all supp...

Page 79: ...assembly as being defective Remove the network analyzer assemblies in the order specified in the following steps refer to Chapter 7 for removal instructions 1 Unplug the test set motherboard cable fro...

Page 80: ...he analyzer are A4 power supply A14 system motherboard A15 CPU board To further isolate the failure in the three remaining assemblies measure the resistance on the extender board with the power turned...

Page 81: ...emoving and Replacing the A14 System Motherboard on page 7 18 If only one or two fans are not functioning and the power supplies are within specifications suspect the A14 system motherboard or a defec...

Page 82: ...onnected suspect that one or more of the following is defective inverter board mounted on the display assembly display lamp assembly A3 front panel interface board A2 display assembly Refer to the fol...

Page 83: ...oards NOTE To access the front panel boards for measurements it is necessary to remove the front panel assembly Refer to Removing and Replacing the Front Panel Assembly on page 7 8 Using Figure 4 5 as...

Page 84: ...Steps Input CN1 Output CN2 Action Good Good Replace the display lamp Refer to Removing and Replacing the Display Inverter Board and the Display Lamp on page 7 12 Good Bad Replace the inverter Refer to...

Page 85: ...cause CAUTION Be careful not to short connector pins together when measuring these signals Figure 4 6 Verifying HSYNC VSYNC and LCD Clock If any of the three signal types is incorrect replace the A3...

Page 86: ...shooting on page 4 6 Refer to the following sections to verify the operation of the noted assemblies A1 Front Panel Keypad and RPG Test below A2 Display Test on page 4 18 A3 Front Panel Interface Boar...

Page 87: ...Interface Board on page 7 10 Table 4 5 Keyboard Key Numbers Key Value Front Panel Key Key Value Front Panel Key Key Value Front Panel Key Key Value Front Panel Key 50 Tab 66 Measure Setups 82 7 98 1...

Page 88: ...tting It will be visible on a dark background A dark pixel is always dark and will be displayed against a background of its own color How to Run the Display Test To run the display test perform the fo...

Page 89: ...device If the device performs correctly the USB port is functioning properly If the device does not perform correctly the USB port is faulty Refer to Removing the A3 Front Panel Interface Board on pag...

Page 90: ...e device connection and then check the operation of the USB device If the device performs correctly the USB port is functioning properly If the device does not perform correctly remove the non working...

Page 91: ...point to Configure and then click SCPI GPIB A SCPI GPIB dialog box is displayed 3 In the GPIB block click System Controller to establish the analyzer as a controller Wait for the analyzer to configure...

Page 92: ...the analyzer to send a few bytes of information to a specific LAN device That device will then signal the analyzer that it has received the information The analyzer computes the approximate round trip...

Page 93: ...analyzer to the network has been established 7 If the subnet mask was changed in step 2 set it back at this time How to Ping from the Local Area Network LAN to the Analyzer Reverse communication shoul...

Page 94: ...yzer to the Local Area Network LAN on page 4 22 to have the first analyzer ping the second analyzer When done repeat the procedure having the second analyzer ping the first If both procedures function...

Page 95: ...nd of the cable c Connect the wire from pin 2 on one end of the cable to the wire from pin 6 on the other end of the cable d Connect the wire from pin 6 on one end of the cable to the wire from pin 2...

Page 96: ...rmance has degraded to an unacceptable level yet it continues to operate and displays no error messages For this type of failure performance tests must be conducted to isolate the problem Begin with v...

Page 97: ...lay select System Service Utilities View EEPROM Headers in the network analyzer application If the information is incorrect for any of the pc boards contact Agilent Technologies Refer to Contacting Ag...

Page 98: ...tion of the PNA It is therefore recommended that you run this test even if you only suspect the frequency offset section of malfunctioning The first step is to verify that the A B R1 and R2 traces are...

Page 99: ...onal N synthesizers A10 frequency reference A16 test set motherboard A19 SSLAM the signal separation group A19 SSLAM A25 and A26 60 dB step attenuators Option 1E1 only A21 and A22 test port couplers P...

Page 100: ...o to Checking the Source Group on page 4 31 If the trace faults are band related the problem is in the source group Using Table 4 7 on page 4 39 note the frequency bands in which problems are seen Go...

Page 101: ...newer board assemblies Descriptions of each board assembly and node is included in this section Location of the nodes is indicated with a symbol on the block diagrams located at the end of this chapte...

Page 102: ...This output is input to the ALC integrator Node 1217 Multiplier Output Level Node 1217 senses the average voltage output level of the multiplier board used to adjust the output level Node Description...

Page 103: ...el the heterodyne circuit output for band 1 Node 415 2 250 GHz VCO Tune Voltage Node 415 senses the average voltage input level of the 2 250 GHz VCO Node 416 Fundamental and Divide by 2 Band ALC Level...

Page 104: ...615 Temperature Compensation Node 615 senses the input voltage applied to the temperature compensation amplifier for the source ALC Node 616 Slope Compensation Node 616 senses the slope compensation...

Page 105: ...812 senses the 1 78 V bias supply voltage that serves as a measurement reference Node 813 Phase Lock IF Detector Node 813 senses the voltage input to the phase lock IF detector Node 814 10 V Reference...

Page 106: ...r supplied to the product while protective covers are removed Energy available at many points may if contacted result in personal injury 4 With the covers off plug in the analyzer and turn on the powe...

Page 107: ...the signal separation group Go to Checking the Signal Separation Group on page 4 42 If the output power is high on both test ports the problem is LO signal related Continue with LO Signal Troubleshoo...

Page 108: ...nnect cable W2 and then continue with Checking the A7 Fractional N Synthesizer Output Band 4 on page 4 38 Checking the A7 Fractional N Synthesizer Output Band 4 Perform this procedure if you observe a...

Page 109: ...uency Band of Problem GHz Network Analyzer Source Frequency Setting GHz Expected A7 Output Frequency GHz a a With the analyzer s spur avoidance function OFF Expected A6 Output Frequency GHz a 0 0003 t...

Page 110: ...the flexible cable W5 at the A9 fractional N synthesizer board 2 Disconnect W5 from A9J101 3 Connect the spectrum analyzer to A9J101 4 Set the network analyzer for a 500 MHz CW frequency and observe t...

Page 111: ...Removing and Replacing the A5 through A10 Boards on page 7 16 3 If the signal is present reconnect cable W4 and then continue with Checking the A8 Multiplier Output All Bands on page 4 41 Checking th...

Page 112: ...o Service Utilities and then click Receiver Display 3 Set the sweep speed for a 10 second sweep On the Sweep menu click Sweep Time and set the time to 10 000 seconds in the Sweep Time box Checking Por...

Page 113: ...Signal through the Signal Separation Path For all of the following checks refer to the block diagrams at the end of this chapter and to Bottom Assemblies Passive Configuration Options F06 and F13 on...

Page 114: ...er has source step attenuators reconnect the cable to the A19 SSLAM and continue testing at Checking the A25 and A26 60 dB Source Step Attenuators Option 1E1 on page 4 44 6 If the 1 GHz signal is pres...

Page 115: ...W frequency of 1 GHz Make sure the spur avoidance function is OFF Checking the A20 Mixer Brick Receiver Outputs Perform this procedure if a problem appears to be in one of the receiver channels 1 Refe...

Page 116: ...4 46 Service Guide N5230 90014 Troubleshooting PNA Series Microwave Network Analyzers Measurement System Troubleshooting N5230A...

Page 117: ...4 47 PNA Series Microwave Network Analyzers Troubleshooting N5230A Instrument Block Diagrams Sheet 1 Instrument Block Diagrams Sheet 1 Microwave PNA N5230A Passive Insert fold out fold up 23 x 35 n52...

Page 118: ...4 48 Service Guide N5230 90014 Troubleshooting PNA Series Microwave Network Analyzers Instrument Block Diagrams Sheet 1 N5230A...

Page 119: ...4 4 49 PNA Series Microwave Network Analyzers Troubleshooting N5230A Instrument Block Diagrams Sheet 2 Instrument Block Diagrams Sheet 2 Microwave PNA N5230A Active Insert fold out fold up 23 x 35 n52...

Page 120: ...4 50 Service Guide N5230 90014 Troubleshooting PNA Series Microwave Network Analyzers Instrument Block Diagrams Sheet 2 N5230A...

Page 121: ...Service Guide N5230 90014 5 1 5 Theory of Operation...

Page 122: ...u read the information in this chapter Chapter Five at a Glance Section Title Summary of Content Start Page Network Analyzer System Operation A summary of the theory of operation for the analyzer A su...

Page 123: ...mixed with the test and reference signals to produce IF signals for each of the four channels These IF signals are downconverted and then sampled and digitally processed Figure 5 1 is a simplified bl...

Page 124: ...eling control ALC circuit The maximum output power level of the network analyzer at the test ports is shown in Table 5 1 Refer to Synthesized Source Group Operation on page 5 6 Signal Separation Group...

Page 125: ...tion on page 5 19 Digital Processor and Digital Control Group The digital processor and digital control group are divided into a front panel group and a data acquisition and processing group The front...

Page 126: ...nd A9 fractional N synthesizer boards The A7 fractional N synthesizer board produces an LO signal that is sent through the A6 multiplier to the A20 mixer brick The frequency is synthesized such that t...

Page 127: ...Service Guide N5230 90014 5 7 PNA Series Microwave Network Analyzers Theory of Operation N5230A Synthesized Source Group Operation Figure 5 2 Source Group...

Page 128: ...to 0 756 0 048 to 0 756 0 040 to 0 748 0 040 to 0 748 0 040 to 0 748 4 1 0 756 to 1 508 0 756 to 1 508 0 748 to 1 500 0 748 to 1 500 0 748 to 1 500 5 1 1 508 to 3 133 1 508 to 3 133 1 500 to 3 125 1...

Page 129: ...t is sent to either the A6 or A8 multiplier board The output of the A7 fractional N synthesizer board is 7 66 MHz higher than the output of the A9 fractional N synthesizer board This is because the ou...

Page 130: ...he 10 MHz EXT REF OUT rear panel signal This 10 MHz signal is divided by two to produce 5 MHz reference signals for the A5 signal processing ADC module SPAM board the A7 fractional N synthesizer board...

Page 131: ...not compatible with 8753 network analyzer test sets HANDLER I O A rectangular 36 pin female connector providing four independent parallel input output ports nine control signal lines one ground and a...

Page 132: ...latched data 7 GND 0 V ground reference 8 LAS TTL out active low address strobe 1 s min 9 11 AD4 AD2 TTL I O address and latched data 12 GND 0 V ground reference 13 Interrupt In TTL in low level 10 s...

Page 133: ...0 7 Out TTL out latched 13 20 Port B0 7 Out TTL out latched 21 24 Port C I O TTL I O latched 25 28 Port D I O TTL I O latched 29 Port C Status TTL out low input mode high output mode 30 Port D Status...

Page 134: ...s pass fail line is valid 11 Sweep End TTL out active low 10 s min indicates sweep is done 12 Pass Fail TTL out latched indicates pass or fail programmable polarity 13 Output Port Write Strobe TTL out...

Page 135: ...er group as the R1 and R2 inputs The test signal is transmitted through and reflected from the device under test DUT and then is transmitted to the receiver group as the A and B inputs Control lines t...

Page 136: ...equency range A25 and A26 60 dB Source Step Attenuators Option 1E1 A step attenuator is placed in the signal path of each test port between the A19 SSLAM and the test port coupler These 60 dB step att...

Page 137: ...able test set and Option 1E1 source step attenuators With this configuration and inclusion of an external amplifier and accessories you can calibrate the analyzer and test devices at power levels up t...

Page 138: ...e front panel jumpers for one port signal flow through the corresponding coupler is reversed increasing the test signal sensitivity by 15 dB In the forward direction as shown in Figure 5 5 the signal...

Page 139: ...r avoidance function should be OFF when troubleshooting the PNA L The analog IF signal is sent to the A5 SPAM board where it is converted to digital information A5 SPAM Board Analog Description The A5...

Page 140: ...5 20 Service Guide N5230 90014 Theory of Operation PNA Series Microwave Network Analyzers Receiver Group Operation N5230A Figure 5 6 Receiver Group...

Page 141: ...ut to the display math processing functions and communications between the analyzer and an external controller or peripherals A block diagram of the digital control functional group is shown in Figure...

Page 142: ...Service Guide N5230 90014 Theory of Operation PNA Series Microwave Network Analyzers Digital Processing and Digital Control Group Operation N5230A Figure 5 7 Digital Processing and Digital Control Gr...

Page 143: ...and the necessary drive circuit power The video data received from the A15 CPU board includes the following A3 Front Panel Interface Board The A3 front panel interface board detects and decodes user i...

Page 144: ...e operation of the analyzer Some of the components include the central processing unit CPU memory EEPROM ROM RAM bus lines to other board assemblies and connections to the rear panel Some of the main...

Page 145: ...A15 CPU board The full operating system and firmware for the network analyzer is stored on the A41 hard disk drive USB Hub The rear panel mounted internal USB hub provides four additional USB ports fo...

Page 146: ...o ranges The dc output voltages are 5 2 V 5 2 V 9 V 15 V 15 V standby always on 15 V 22 V VCC 5 2 V for the A15 CPU board VDL 3 3 V to the A15 CPU board The 15 V standby line remains on continuously w...

Page 147: ...Service Guide N5230 90014 6 1 6 Replaceable Parts...

Page 148: ...ntent Start Page Ordering Information How to order a replaceable part from Agilent Technologies Page 6 3 Assembly Replacement Sequence The correct sequence for replacing a defective assembly Page 6 4...

Page 149: ...ontact Agilent Technologies for instructions on where to send the order Refer to Contacting Agilent on page 2 11 To order a part that is not listed in the replaceable parts lists include the instrumen...

Page 150: ...Chapter 4 Troubleshooting Follow up with the appropriate troubleshooting chapter that identifies the faulty assembly Step 2 Order a replacement assembly Refer to this chapter Step 3 Replace the faulty...

Page 151: ...ed and tested assemblies are available on a trade in basis Exchange assemblies are offered for lower cost than a new assembly but meet all factory specifications required of a new assembly The defecti...

Page 152: ...Assemblies All Options on page 6 10 A5 Signal processing ADC module SPAM board A6 Multiplier board A7 Fractional N synthesizer board A8 Multiplier board A9 Fractional N synthesizer board A10 Frequency...

Page 153: ...om Cables Active Configuration Option F06 and F13 Combined with Options 014 and 1E1 on page 6 20 Hardware Top Hardware and Miscellaneous Parts All Options on page 6 22 Bottom Hardware and Miscellaneou...

Page 154: ...lamp for LCD included in A2b 1000 1161 1 Display glass included in A2b A3 E8361 60061 1 Front panel interface board RPG E8356 40006 1 Front knob 5041 9183 2 Front handle side trim for analyzers with h...

Page 155: ...Service Guide N5230 90014 6 9 PNA Series Microwave Network Analyzers Replaceable Parts N5230A Replaceable Parts Listings Figure 6 2 Front Panel Assembly All Options...

Page 156: ...A9 E8364 60189 2 Fractional N synthesizer board A10 E8364 60136 1 Frequency reference board A14 N5230 60023 1 System motherboard A15 E8364 60026a Replaces E8364 60025 a If the CPU being replaced is t...

Page 157: ...Service Guide N5230 90014 6 11 PNA Series Microwave Network Analyzers Replaceable Parts N5230A Replaceable Parts Listings Figure 6 3 Top Assemblies All Options...

Page 158: ...SLAM W21 F N5230 60030 1 A20 mixer brick A to A5 SPAM board J1 W22 F N5230 60029 1 A20 mixer brick R1 to A5 SPAM board J2 W23 F N5230 60020 1 A20 mixer brick R2 to A5 SPAM board J4 W24 F N5230 60021 1...

Page 159: ...Service Guide N5230 90014 6 13 PNA Series Microwave Network Analyzers Replaceable Parts N5230A Replaceable Parts Listings Figure 6 4 Top Cables All Options...

Page 160: ...exchange assemblies Refer to Rebuilt Exchange Assemblies on page 6 5 Qty Description A16 N5230 60078 1 Test set motherboard A19 5087 7293 5087 6293 1 Switch splitter leveler amplifier multiplier SSLA...

Page 161: ...Service Guide N5230 90014 6 15 PNA Series Microwave Network Analyzers Replaceable Parts N5230A Replaceable Parts Listings Figure 6 5 Bottom Assemblies Passive Configuration Options F06 and F13...

Page 162: ...AM R2 to A20 mixer brick R2 W11 SR N5240 20001 1 A21 test port 1 coupler to A20 mixer brick A W12 SR N5240 20002 1 A22 test port 2 coupler to A20 mixer brick B W21 W24 F Refer to Top Cables All Option...

Page 163: ...Service Guide N5230 90014 6 17 PNA Series Microwave Network Analyzers Replaceable Parts N5230A Replaceable Parts Listings Figure 6 6 Bottom Cables Passive Configuration Options F06 and F13...

Page 164: ...er to Rebuilt Exchange Assemblies on page 6 5 Qty Description A16 N5230 60078 1 Test set motherboard A19 5087 7293 5087 6293 1 Switch splitter leveler amplifier multiplier SSLAM A20 5087 7299 5087 629...

Page 165: ...N5230 90014 6 19 PNA Series Microwave Network Analyzers Replaceable Parts N5230A Replaceable Parts Listings Figure 6 7 Bottom Assemblies Active Configuration Options F06 and F13 Combined with Options...

Page 166: ...R THRU to A21 test port 1 coupler W45 PORT 2 CPLR THRU to A22 test port 2 coupler W46 SR N5240 20034 1 A19 SSLAM R1 to REFERENCE 1 SOURCE OUT W47 SR N5240 20036 1 A19 SSLAM R2 to REFERENCE 2 SOURCE OU...

Page 167: ...ide N5230 90014 6 21 PNA Series Microwave Network Analyzers Replaceable Parts N5230A Replaceable Parts Listings Figure 6 8 Bottom Cables Active Configuration Option F06 and F13 Combined with Options 0...

Page 168: ...ous Parts All Options on page 6 26 B1 Fans 5022 6134 1 Cable hold down N5230 20040 1 Ejector block 0515 0374 6 Machine screw M3 0 x 10 pan head Ejector block and A14 E8356 40001 1 Air flow plenum 0515...

Page 169: ...Service Guide N5230 90014 6 23 PNA Series Microwave Network Analyzers Replaceable Parts N5230A Replaceable Parts Listings Figure 6 9 Top Hardware and Miscellaneous Parts All Options...

Page 170: ...5 0430 Machine screw M3 0 x 6 pan head front panel LED board coupler brackets A19 SSLAM and A20 mixer brick 0515 0374 Machine screw M3 0 x 10 pan head A25 and A26 attenuators 0515 2012 Machine screw M...

Page 171: ...Service Guide N5230 90014 6 25 PNA Series Microwave Network Analyzers Replaceable Parts N5230A Replaceable Parts Listings Figure 6 10 Bottom Hardware and Miscellaneous Parts All Options...

Page 172: ...Floppy disk drive mount E8356 00007 1 Floppy disk drive enclosure B1 3160 1085 3 Fan E8356 00027 1 Chassis assembly N5240 00001 1 Test set deck N5230 20081 4 Test port coupler dress nut 0515 1227 8 M...

Page 173: ...Service Guide N5230 90014 6 27 PNA Series Microwave Network Analyzers Replaceable Parts N5230A Replaceable Parts Listings Figure 6 11 Internal Hardware and Miscellaneous Parts All Options...

Page 174: ...nator Part Number Qty Description E8356 00011 1 Inner cover N5230 00011 1 Outer cover 5041 9611 4 Rear feet 0515 1619 4 Machine screw M4 0 x 25 pan head E4400 60026 2 Strap handle assembly includes it...

Page 175: ...Service Guide N5230 90014 6 29 PNA Series Microwave Network Analyzers Replaceable Parts N5230A Replaceable Parts Listings Figure 6 12 External Hardware and Miscellaneous Parts All Options...

Page 176: ...ly 2950 0035 4 Hex nut for BNC connector and 2190 0102 4 Lock washer for BNC connector and 8120 5027 2 BNC cable assembly E8356 00022 1 Cover plate digital section 0515 0374 13 Machine screw M3 0 x 10...

Page 177: ...Service Guide N5230 90014 6 31 PNA Series Microwave Network Analyzers Replaceable Parts N5230A Replaceable Parts Listings Figure 6 13 Rear Panel Assembly All Options...

Page 178: ...dware listed in this table Hard disk drive assembly kit with programmed hard disk drive HDD Includes A41 and items through pre assembled A41 E8801 60063 for 500 MHz CPU board or E8364 60190 for 1 1 GH...

Page 179: ...Service Guide N5230 90014 6 33 PNA Series Microwave Network Analyzers Replaceable Parts N5230A Replaceable Parts Listings Figure 6 14 Hard Disk Drive Assembly All Options...

Page 180: ...E8356 90001 Service Guide Not available in printed form Part number is for reference only Must be printed from the Agilent Web site Refer to Printing Copies of Documentation from the Web on page iv N5...

Page 181: ...perpetual license Option 897 N5230AU 897 Add built in performance test software for standards compliant calibration perpetual license Option 898 N5230AU 898 6 GHz or 13 5 GHz Passive Measurement to Ac...

Page 182: ...Paint Dove gray for use on frame around front panel and painted portion of handles 6010 1146 French gray for use on cover 6010 1147 Parchment white for use on rack mount flanges rack support flanges a...

Page 183: ...Service Guide N5230 90014 7 1 7 Repair and Replacement Procedures...

Page 184: ...SD Protection Information pertaining to ESD protection Page 7 3 Assembly Replacement Sequence The proper assembly replacement sequence for your analyzer Page 7 4 Table of Removal and Replacement Proce...

Page 185: ...s after disconnecting the plug before removing the covers WARNING The detachable power cord is the instrument disconnecting device It disconnects the mains circuits from the mains supply before other...

Page 186: ...network analyzer Step 1 Identify the faulty group Begin with Chapter 4 Troubleshooting Step 2 Order a replacement assembly Refer to Chapter 6 Replaceable Parts Step 3 Replace the faulty assembly and...

Page 187: ...board procedure Page 7 22 A1 A2 A3 Keypad assembly Display assembly Front panel interface board Page 7 10 A4 Power supply assembly Page 7 14 A5 A6 A8 A7 A9 A10 SPAM board Multiplier boards Fractional...

Page 188: ...his will damage the front panel assemblies Refer to Figure 7 1 for this procedure 1 Disconnect the power cord 2 With a T 20 TORX driver remove the strap handles item by loosening the screws item on bo...

Page 189: ...Service Guide N5230 90014 7 7 PNA Series Microwave Network Analyzers Repair and Replacement Procedures N5230A Removing the Covers Figure 7 1 Outer and Inner Cover Removal...

Page 190: ...nel Option 014 only 4 With a T 10 TORX driver remove the eight screws item from the sides of the frame CAUTION Before removing the front panel from the analyzer lift and support the front of the analy...

Page 191: ...Service Guide N5230 90014 7 9 PNA Series Microwave Network Analyzers Repair and Replacement Procedures N5230A Removing and Replacing the Front Panel Assembly Figure 7 2 Front Panel Assembly Removal...

Page 192: ...A2 Display Assembly 1 With a T 10 TORX driver remove the four retaining screws item from the display assembly 2 Remove the display assembly from the front panel Removing the A3 Front Panel Interface...

Page 193: ...lies Replacement Procedure NOTE When replacing the assemblies ensure that the ribbon cables are not under the assemblies 1 Reverse the order of the removal procedure 2 Perform the post repair adjustme...

Page 194: ...Assembly on page 7 10 Removing the Display Inverter Board Refer to Figure 7 4 for this procedure 1 Disconnect the ribbon cable item and the display lamp cable item from the display inverter board 2 L...

Page 195: ...display do not completely take out the display 5 Remove the two screws item from the display with the jeweler s screwdriver Slide the lamp enclosure up to remove it 6 Remove the display lamp item Repl...

Page 196: ...ap Removal Procedure Refer to Figure 7 5 for this procedure 1 Disconnect the power cord 2 Remove the outer and inner covers Refer to Removing the Covers on page 7 6 3 With a T 10 TORX driver remove th...

Page 197: ...vice Guide N5230 90014 7 15 PNA Series Microwave Network Analyzers Repair and Replacement Procedures N5230A Removing and Replacing the A4 Power Supply Assembly Figure 7 5 A4 Power Supply Assembly Remo...

Page 198: ...ge 7 6 3 With a T 10 TORX driver remove the two brackets that secure cables to the top of the midweb 4 Identify the board you want to remove and disconnect any cables that are attached to it 5 Lift th...

Page 199: ...uide N5230 90014 7 17 PNA Series Microwave Network Analyzers Repair and Replacement Procedures N5230A Removing and Replacing the A5 through A10 Boards Figure 7 6 A5 A6 A7 A8 A9 and A10 Board Assemblie...

Page 200: ...fer to Removing and Replacing the A5 through A10 Boards on page 7 16 6 Remove the A15 CPU board Refer to Removing and Replacing the A15 CPU Board on page 7 20 7 Remove the Midweb Refer to Removing and...

Page 201: ...ervice Guide N5230 90014 7 19 PNA Series Microwave Network Analyzers Repair and Replacement Procedures N5230A Removing and Replacing the A14 System Motherboard Figure 7 7 A14 System Motherboard Remova...

Page 202: ...t the two extractors located at each end of the board b While holding onto the extractors lift the board halfway out of the slot c Let the extractors drop to their normal position d Lower the board in...

Page 203: ...Service Guide N5230 90014 7 21 PNA Series Microwave Network Analyzers Repair and Replacement Procedures N5230A Removing and Replacing the A15 CPU Board Figure 7 8 A15 CPU Board Removal...

Page 204: ...emove the hard disk drive shield item by loosening two attachment screws item using a T 10 TORX driver These screws are accessible through holes in the side of the chassis 5 Disconnect the ribbon cabl...

Page 205: ...ide N5230 90014 7 23 PNA Series Microwave Network Analyzers Repair and Replacement Procedures N5230A Removing andReplacing the A16 Test SetMotherboard and the USB Hub Figure 7 9 A16 Test Set Motherboa...

Page 206: ...bottom side up 3 With a 5 16 inch wrench disconnect the semirigid cables item from the A19 SSLAM 4 Disconnect the flexible cables item and the ribbon cable item from the A19 SSLAM 5 With a T 10 TORX d...

Page 207: ...Service Guide N5230 90014 7 25 PNA Series Microwave Network Analyzers Repair and Replacement Procedures N5230A Removing and Replacing the A19 SSLAM Figure 7 10 A19 SSLAM Removal...

Page 208: ...the analyzer bottom side up 3 With a 5 16 inch wrench disconnect the semirigid cables item from the A20 mixer brick 4 Disconnect the flexible cables item and the ribbon cable item from the A20 mixer b...

Page 209: ...Service Guide N5230 90014 7 27 PNA Series Microwave Network Analyzers Repair and Replacement Procedures N5230A Removing and Replacing the A20 Mixer Brick QuintBrick Figure 7 11 A20 Mixer Brick Removal...

Page 210: ...o be removed 4 With a 5 16 inch wrench disconnect the semirigid cables item from the test port coupler 5 With a T 15 TORX driver remove the mounting screws item from the test port coupler 6 With a 1 i...

Page 211: ...14 7 29 PNA Series Microwave Network Analyzers Repair and Replacement Procedures N5230A Removingand Replacing the A21 andA22 Test PortCouplers andCoupler Mounting Brackets Figure 7 12 A21 and A22 Test...

Page 212: ...attenuator 4 Using a 5 16 inch wrench disconnect the semi rigid cables item from the step attenuator 5 With a T 10 TORX driver loosen the mounting screws item in the analyzer side frame It is not nece...

Page 213: ...PNA Series Microwave Network Analyzers Repair and Replacement Procedures N5230A RemovingandReplacing theA25 and A26 60 dB Source Step Attenuators Option 1E1 Figure 7 13 A25 and A26 60 dB Source Step...

Page 214: ...rs on page 7 6 3 Remove the front panel assembly Refer to Removing and Replacing the Front Panel Assembly on page 7 8 4 Disconnect the ribbon cable item from the A14 system motherboard 5 Lift the tab...

Page 215: ...7 33 PNA Series Microwave Network Analyzers Repair and Replacement Procedures N5230A Removing and Replacing the A40 Floppy Disk Drive Figure 7 14 A40 Floppy Disk Drive Removal Figure 7 15 A40 Floppy...

Page 216: ...2 Open Windows Explorer 3 Navigate to C Program Files Agilent Network Analyzer 4 Copy each of the following files from the hard disk drive to the floppy disk or the USB drive gen lic user_calkitfile...

Page 217: ...l Disassembling the HDDA NOTE If the HDD is being replaced by the HDDA N8980A or N8981A it is not necessary to perform these steps Refer to Figure 7 17 1 Remove the HDDA from the analyzer Refer to Rem...

Page 218: ...6 Service Guide N5230 90014 Repair and Replacement Procedures PNA Series Microwave Network Analyzers RemovingandReplacingtheA41HardDiskDrive HDD N5230A Figure 7 17 Hard Disk Drive Assembly Exploded Vi...

Page 219: ...TORX driver snug tighten the four screws in a Z pattern and then torque them in the same pattern to 7 in lb Update the Bios IMPORTANT Perform this procedure only if replacing an HDD in an analyzer tha...

Page 220: ...the Windows Desktop right click on My Computer and then click Manage 2 In the Computer Management window navigate to System Tools Local Users and Groups Users 3 Right click on Agilent click on Set Pas...

Page 221: ...e backup files prefixed with mxcalfile_ from the floppy disk or USB memory drive to the HDD 8 After all files have been copied remove the storage device containing the backup files either the floppy d...

Page 222: ...de of the analyzer remove the A25 step attenuator if one is present active configuration only This is necessary to gain access to one of the midweb mounting screws Refer to Removing and Replacing the...

Page 223: ...Disconnect the power cable item for each of the three fans from the A14 system motherboard 2 With a T 10 TORX driver remove the seven midweb mounting screws item Three of the mounting screws are locat...

Page 224: ...ach it to the midweb To do this use the Pozidriv screwdriver on the nylon screw item and a small blade screwdriver to stabilize the rivet Turn and push the rivet out of the rivet hole Once the four ri...

Page 225: ...the A15 CPU board Refer to Removing and Replacing the A15 CPU Board on page 7 20 3 Lift the battery item just enough to free it from its holder and slide it from under the battery clip item Be careful...

Page 226: ...7 44 Service Guide N5230 90014 Repair and Replacement Procedures PNA Series Microwave Network Analyzers RemovingandReplacingtheLithiumBattery N5230A Figure 7 20 Lithium Battery Removal...

Page 227: ...est in Chapter 4 A3 front panel interface board No adjustment needed A1 Front Panel Keypad and RPG Test and A2 Display Test in Chapter 4 A4 power supply assembly No adjustment needed None needed A5 SP...

Page 228: ...cients Test A25 and A26 60 dB source step attenuators Source Calibration Adjustment Source Maximum Power Output Test Calibration Coefficients Test A40 floppy disk drive No adjustment needed Read and w...

Page 229: ...Service Guide N5230 90014 8 1 8 General Purpose Maintenance Procedures...

Page 230: ...3 Option Enable Utility How to use the option enable utility to enable options that have been added to your analyzer repair lost or damaged option data install or change a serial number page 8 14 Firm...

Page 231: ...vals weekly monthly and so forth you can compare current error terms to these records A stable system should generate repeatable error terms over long intervals for example six months Look for the fol...

Page 232: ...e recommendations outlined in Electrostatic Discharge Protection on page 1 6 when performing the following calibration 1 Connect a test cable to Port 2 2 Perform a full 2 port calibration FULL SOLT 2...

Page 233: ...ures N5230A Error Terms Figure 8 2 Flowgraph of Two Port Error Terms where E error term 1st Subscript D Directivity S Source Match R Reflection Tracking X Crosstalk Isolation L Load Match T Transmissi...

Page 234: ...Directivity MAT Forward Source Match and Reverse Load Match TRK Forward Reflection Tracking and Reverse Transmission Tracking For the case of a full 3 port calibration port 1 has three Match error ter...

Page 235: ...urce Match and Reverse Load Match TRK Forward Reflection Tracking and Reverse Transmission Tracking For the case of a full 4 port calibration port 1 has four Match error terms S11 source match S12 loa...

Page 236: ...s 1 In the System menu point to Service Utilities and then click Cal Set Viewer The Cal Set Viewer toolbar appears directly above the trace window 2 In the Cal Set list select the desired cal set 3 Cl...

Page 237: ...ds for Programmable Instruments SCPI For more information on GPIB and SCPI refer to the embedded help in the analyzer Type in keyword errors systematic in the index COM DCOM Access to Error Terms You...

Page 238: ...over an environmental temperature range of 25 C 5 C with less than 1 C deviation from the calibration temperature Parameter Frequency Range 300 kHz to 10 MHzb b All values for 300 kHz to 10 MHz are ty...

Page 239: ...e match between all components from the source to the output port The measurements most affected by source match errors are reflection and transmission measurements of highly reflective DUTs Typical C...

Page 240: ...troubleshoot refer to Checking the Receiver Group on page 4 45 or to Checking the Signal Separation Group on page 4 42 Transmission Tracking ETF and ETR Transmission tracking is the difference betwee...

Page 241: ...fect transmission measurements primarily where the measured signal level is very low The measurements most affected by isolation error terms are DUTs with large insertion loss Since these terms are lo...

Page 242: ...tions on the certificate under HOW TO USE THIS CERTIFICATE to obtain license key s for the option s listed on the certificate See the important note below NOTE When upgrading from one model number to...

Page 243: ...ce board is replaced NOTE Some applications require a license key that is provided by Agilent If you do not have the required license key contact Agilent for assistance Refer to Contacting Agilent on...

Page 244: ...air The data is written from the gen lic file into the EEPROM If the hard disk drive is replaced a new gen lic file is automatically created when the Network Analyzer application starts by retrieving...

Page 245: ...the Option Enable menu bar see Figure 8 5 on page 8 14 The current serial number is displayed If no serial number has previously been entered the word NONE will be displayed 2 VERY CAREFULLY type the...

Page 246: ...proceed to Downloading from the Internet Downloading from the Internet If your network analyzer is connected to the Internet there are two methods available for checking the availability of and downl...

Page 247: ...vering from Hard Disk Drive Problems If you suspect that you have a hard disk drive problem go to the Hard Drive Recovery link on the Agilent PNA Series Service Support Home Page on the Internet The U...

Page 248: ...er to produce accurate leveled source signals and receive clean test signals Storing Correction Constants After performing any adjustment listed on page 3 35 in this manual store the correction consta...

Page 249: ...illustrated 6 15 6 19 operation 5 19 part number 6 14 6 18 removal and replacement illustrated 7 27 procedure 7 26 troubleshooting 4 45 A21 test port 1 coupler illustrated 6 15 6 19 operation 5 16 pa...

Page 250: ...requency reference board assembly 5 10 front panel interconnects 5 23 functional groups 5 3 digital control 5 5 digital processing 5 5 power supply 5 5 receiver group 5 5 signal separation 5 4 synthes...

Page 251: ...assembly all options illustrated 6 13 part numbers 6 12 calibration certificate of 3 7 coefficients test 3 33 commercial built in tests Option 897 2 4 commercial Option R 50C 001 2 10 kits 2 8 3 7 sub...

Page 252: ...agram 5 22 functional description of 5 5 operation 5 21 directivity cause of failure 8 11 definition of 8 11 measurements affected by 8 11 disabling options 8 15 display assembly illustrated 6 9 opera...

Page 253: ...7 17 procedure 7 16 test nodes 4 33 troubleshooting 4 37 front panel connectors Probe Power 5 23 USB 5 23 interconnects 5 23 knob part number 6 8 test 4 18 troubleshooting 4 16 LED board illustrated...

Page 254: ...art numbers 6 35 rack mount part numbers 6 35 upgrade part numbers 6 35 verification 2 8 3 7 knob front panel part number 6 8 test 4 16 4 18 troubleshooting 4 16 L LAN connector rear panel 5 25 cross...

Page 255: ...k drive 5 25 keypad assembly 5 23 main RAM 5 24 mixer brick 5 19 multiplier boards 5 9 power supply 5 26 processing subgroup 5 24 receiver group 5 19 signal separation group 5 15 source group 5 6 SPAM...

Page 256: ...mbers 6 10 6 22 locating by reference designator 6 6 by type of part 6 7 miscellaneous part numbers 6 34 required for servicing 2 9 replaceable listing of 6 6 ordering information 6 3 parts hardware i...

Page 257: ...iver group block diagram 5 20 defined 4 29 operation 5 19 troubleshooting 4 45 recovery option data 8 16 recovery operating system 8 19 reference channel R1 See R1 channel reference channel R2 See R2...

Page 258: ...ocedure 7 16 A9 fractional N synthesizer board illustrated 7 17 procedure 7 16 analyzer covers illustrated 7 7 procedure 7 6 assembly cautions about 7 4 list of procedures 7 5 sequence 6 4 7 4 warning...

Page 259: ...operation 5 16 part number 6 18 port 1 troubleshooting 4 44 port 2 troubleshooting 4 44 removal and replacement illustrated 7 31 procedure 7 30 storage data IDE 5 25 strap handle analyzer illustrated...

Page 260: ...ons replaceable cables all illustrated 6 13 part numbers 6 12 replaceable parts illustrated 6 11 touch up paint part numbers 6 36 trace troubleshooting all traces 4 29 troubleshooting all 4 28 trace A...

Page 261: ...ime domain Option 010 2 3 upgrade kits part numbers 6 35 upgrades analyzer 2 6 USB accessories CD RW drive 2 6 hub 2 6 part numbers 6 35 front panel troubleshooting 4 16 port front panel connector 5 2...

Page 262: ...Index 14 Service Guide N5230 90014 Index...

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