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Agilent Technologies N5230A Скачать руководство пользователя страница 79

Service Guide N5230-90014

4-9

PNA Series Microwave Network Analyzers

Troubleshooting

N5230A

Power Up Troubleshooting

If All Supply Voltages are Present

If all of the supplies have measured within tolerances, and the instrument still is not
functioning properly, refer to

“Rear Panel Troubleshooting” on page 4-20

If All Supply Voltages Are Missing

WARNING

Disconnect the line-power cord before removing any assembly.
Procedures described in this document may be performed with
power supplied to the product while protective covers are removed.
Energy available at many points may, if contacted, result in personal
injury or loss of life.

You must sequentially remove all of the assemblies, taking care to disconnect the line
power cord before each removal, and then measure the supply voltages after each removal.

If the missing supply voltages return to a “power on” condition after removal of an
assembly, suspect that assembly as being defective.

Remove the network analyzer assemblies in the order specified in the following steps (refer
to

for removal instructions).

1. Unplug the test set motherboard cable from the A16 test set motherboard (refer to

“Removing and Replacing the A16 Test Set Motherboard and the USB Hub” on
page 7-22

2. Unplug the front panel interface cable from the A3 front panel interface board (refer to

“Removing the A3 Front Panel Interface Board” on page 7-10

).

3. Remove the A5 SPAM board (refer to

“Removing and Replacing the A5 through A10

Boards” on page 7-16

).

4. Remove the A6 multiplier board (refer to

“Removing and Replacing the A5 through A10

Boards” on page 7-16

).

Table 4-1

Extender Board Measurement Points

Measurement

Location

Signal

Description

Test Equipment Used

a

Expected

Level (Vdc)

Approximate

Resistance (

Ω

)

A

+5V power supply

DMM

+5.0

285

B

-15V power supply

DMM

-15.0

12.7 k

C

-5V power supply

DMM

-5.0

7.2 k

D

+9V power supply

DMM

+9.0

4.0 k

E

+15V power supply

DMM

+15.0

3.0 k

F

+15V power supply

DMM

+15.0

2.8 k

G

+22V power supply

DMM

+22.0

890

H

+32V power supply

DMM

+32.0

2.6 k

a. DMM = Digital multi-meter

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Содержание N5230A

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

Страница 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...

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

Страница 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...

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

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

Страница 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...

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

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