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Agilent Technologies 8720ET manual

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Table of contents for the manual

  • Page 1

    Installation and Quick Start Guide Agilent T echnologies 8719ET/ES 8720ET/ES 8722ET/ES Network Analyzers P art Number: 08720-90391 Printed in USA Print Date: F ebruary 2001 Supersedes: May 2000[...]

  • Page 2

    ii Notice The information contained in this document is subject to change without notice . Agilent T echnologies makes no w arranty of any kind with regard to this material, including but not limited to , the implied warranties of merc hantability and fitness for a particular purpose. Agilent T ec hnologies shall not be liable for errors contained[...]

  • Page 3

    iii Certification Agilent T echnologies Company certifies that this product met its published specifications at the time of shipment from the factory . Agilent T echnologies further certifies that its calibration measurements are traceable to the United States National Institute of Standards and T echnology , to the extent allowed by the Instit[...]

  • Page 4

    iv General Safety Considerations W ARNING F or continued protection against fire hazard replace line fuse only with same type and rating (115V operation: T 5A 125V UL/ 230V operation: T 4A H 250V IEC). The use of other fuses or material is prohibited. W ARNING This is a Safety Class I product (provided with a protective earthing ground incorporate[...]

  • Page 5

    v Documentation Map The Installation and Quick Start Guide provides procedures for installing , configuring , and verifying the operation of the analyzer . It also will help you familiarize yourself with the basic operation of the analyzer . The User’ s Guide shows how to make measurements , explains commonly-used features , and tells you how to[...]

  • Page 6

    Contents Contents-vii 1. Installing Y our Analyzer Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-2 STEP 1. V erify the Shipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-3 STEP 2. F amiliarize Y [...]

  • Page 7

    1-1 1 Installing Y our Analyzer[...]

  • Page 8

    1-2 Chapter 1 Installing Y our Analyzer Introduction Introduction This chapter shows you how to install your analyzer and confirm the correct operation, by following the steps below: • STEP 1. V erify the Shipment on page 1-3 • STEP 2. F amiliarize Y ourself with the Analyzer Front and Rear P anels on page 1-5 • STEP 3. Meet Electrical and E[...]

  • Page 9

    Chapter 1 1-3 Installing Y our Analyzer STEP 1. V erify the Shipment STEP 1. V erify the Shipment NO TE If your analyzer was damaged during shipment, contact your nearest Agilent T echnologies office or sales representative. A list of Agilent T echnologies sales and service offices is provided in T able 2-1 on page 2-26 . 1. Unpack the contents o[...]

  • Page 10

    1-4 Chapter 1 Installing Y our Analyzer STEP 1. V erify the Shipment 3. V erify that all the accessories ha ve been included with the analyzer . Item Number Part Number Description 1 08720-90391 Installation and Quick Start Guide 2 08720-90392 User's Guide 3 08720-90393 Reference Guide 4 08753-90475 Programmer’s Guide 5 08720-90418 CD-ROM 6 [...]

  • Page 11

    Chapter 1 1-5 Installing Y our Analyzer STEP 2. Familiarize Y ourself with the Analyzer Front and Rear P anels STEP 2. F amiliarize Y ourself with the Analyzer Front and Rear P anels Analyzer Front P anel CA UTION Do not mistake the line switch for the disk eject button. See the figure below . If the line switch is mistakenly pushed, the instrumen[...]

  • Page 12

    1-6 Chapter 1 Installing Y our Analyzer STEP 2. Familiarize Y ourself with the Analyzer Front and Rear P anels Analyzer Rear P anel 1 10 MHZ REFERENCE ADJUST a 2 10 MHZ PRECISION REFERENCE OUTPUT a 3 F an 4 Line voltage selector switch 5 P ower cord receptacle, with fuse 6 KEYBOARD input (mini-DIN) 7 RS-232 interface 8 P ARALLEL interface 9 GPIB co[...]

  • Page 13

    Chapter 1 1-7 Installing Y our Analyzer STEP 3. Meet Electrical and En vironmental Requirements STEP 3. Meet Electrical and Environmental Requirements 1. Set the line-voltage selector to the position that corresponds to the AC power source. 2. Ensure the available AC power source meets the following requirements: • 90–132 V AC • 47–66 Hz / [...]

  • Page 14

    1-8 Chapter 1 Installing Y our Analyzer STEP 3. Meet Electrical and En vironmental Requirements 5. Ensure there are at least six inches of clearance between the sides and back of either the stand-alone analyzer or the system cabinet. CA UTION The environmental temperature must be 4 ° C less than the maximum operating temperature of the analyzer fo[...]

  • Page 15

    Chapter 1 1-9 Installing Y our Analyzer STEP 4. Configure the Analyzer STEP 4. Configure the Analyzer This step shows you how to set up your particular analyzer configuration. • standard configuration • Option 1D5 configuration − high stability frequency reference • printer or plotter configuration • rack-mount configuration[...]

  • Page 16

    1-10 Chapter 1 Installing Y our Analyzer STEP 4. Configure the Analyzer T o Configure the Standard Analyzer T o Configure an Analyzer with a High Stability Frequency Reference (Option 1D5) Connect test port cables and optional adapters if you are using other connector types. Connect the jumper cable on the analyzer rear panel as shown.[...]

  • Page 17

    Chapter 1 1-11 Installing Y our Analyzer STEP 4. Configure the Analyzer T o Configure the Analyzer with Printers or Plotters 1. Connect your printer or plotter to the corresponding interface. 2. If you are using the parallel interface, press and toggle until your choice of or appears. If you choose: the parallel port is dedicated for normal copy [...]

  • Page 18

    1-12 Chapter 1 Installing Y our Analyzer STEP 4. Configure the Analyzer 3. Press and then choose either or , depending on your printer/plotter device. Or , if you are plotting your files to disk, press . 4. Press the key that corresponds to your printer or plotter interface: , (parallel port), or (serial port). NO TE The plotter menu is shown as [...]

  • Page 19

    Chapter 1 1-13 Installing Y our Analyzer STEP 4. Configure the Analyzer 5. If you will be using the serial port, adjust the analyzer's baud rate until it is equal to the baud rate set on the peripheral by pressing or and the and front panel keys. NO TE The plotter menu is shown as an example. It will only appear if you select . Y ou can set t[...]

  • Page 20

    1-14 Chapter 1 Installing Y our Analyzer STEP 4. Configure the Analyzer 7. If you will be creating a plot of the data, toggle until your choice of or appears. • Choose for a pen plotter . • Choose for a PCL5 compatible printer . a 8. If you will be using a printer , toggle until your printer choice a appears . • Choose your printer type from[...]

  • Page 21

    Chapter 1 1-15 Installing Y our Analyzer STEP 4. Configure the Analyzer 9. Press to begin setting and activating the time stamp feature so the analyzer places the time and date on your hardcopies and disk directories. 10. Press each of the following softkeys to set the date and time, followed by . 11. Press when the time is exactly as you have set[...]

  • Page 22

    1-16 Chapter 1 Installing Y our Analyzer STEP 4. Configure the Analyzer T o Configure the Analyzer for Bench T op or Rack Mount Use There are three kits available for the analyzer: • instrument front handles kit (standard: part number 5062-3990) • cabinet flange kit without front handles (Option 1CM: part number 5062-3978) • cabinet flang[...]

  • Page 23

    Chapter 1 1-17 Installing Y our Analyzer STEP 4. Configure the Analyzer T o Attach Front Handles to the Analyzer (Standard) 1. Ensure that the front handle kit is complete. 2. Remove the side trim strips. • (2) front handles • (6) screws • (2) trim strips NO TE If any items are damaged or missing from the kit, contact the nearest Agilent T e[...]

  • Page 24

    1-18 Chapter 1 Installing Y our Analyzer STEP 4. Configure the Analyzer T o Attach Cabinet Flanges without Front Handles to the Analyzer (Option 1CM) 1. Ensure that the cabinet flange kit is complete. 2. Remove side trim strips . • (2) cabinet mount flanges • (6) screws 3. Attach the cabinet flanges to the sides of the front panel using thr[...]

  • Page 25

    Chapter 1 1-19 Installing Y our Analyzer STEP 4. Configure the Analyzer T o Attach Cabinet Flanges with Front Handles to the Analyzer (Option 1CP) 1. Ensure that the cabinet flange kit with handles is complete. 2. Remove the side trim strips . • (2) cabinet mount flanges • (2) front handles • (6) screws 3. Attach the cabinet mount flanges[...]

  • Page 26

    1-20 Chapter 1 Installing Y our Analyzer STEP 5. V erify the Analyzer Operation STEP 5. V erify the Analyzer Operation The following procedures show you how to check your analyzer for correct operation: • viewing installed options • initiating self-test • running operator's check • testing transmission mode • testing reflection mode[...]

  • Page 27

    Chapter 1 1-21 Installing Y our Analyzer STEP 5. V erify the Analyzer Operation T o View the Installed Options 1. Cycle the AC power using the LINE switch, or press . 2. Locate the serial number and configuration options. Compare them to the shipment documents. System SERVICE MENU FIRMW ARE REVISION[...]

  • Page 28

    1-22 Chapter 1 Installing Y our Analyzer STEP 5. V erify the Analyzer Operation T o Initiate the Analyzer Self-T est 1. Cycle the AC power using the LINE switch. 2. W atch for the following indications that the analyzer is operating correctly:[...]

  • Page 29

    Chapter 1 1-23 Installing Y our Analyzer STEP 5. V erify the Analyzer Operation T o Run the Operator's Check 1. Connect the equipment as shown. 2. Press . F ollow the prompts shown on the analyzer display and then press . 3. ET models only: Press . F ollow the prompts shown on the analyzer display and then press . 3. ES models only: Press . F [...]

  • Page 30

    1-24 Chapter 1 Installing Y our Analyzer STEP 5. V erify the Analyzer Operation T o T est the Transmission Mode 1. Connect the equipment as shown and press . 2. T o check the forw ard transmission mode for channel 2, press or . NO TE The test port return cable should have low-loss characteristics to avoid a degradation in frequency response at high[...]

  • Page 31

    Chapter 1 1-25 Installing Y our Analyzer STEP 5. V erify the Analyzer Operation T o T est the Reflection Mode 1. Connect the equipment as shown and press . 2. Look at the measurement trace displayed on the analyzer . It should be similar to the trace below . 3. ES models only: T o check the reverse reflection mode for channel 1, press . The measu[...]

  • Page 32

    1-26 Chapter 1 Installing Y our Analyzer STEP 6. Back Up the EEPR OM Disk STEP 6. Back Up the EEPROM Disk Description Correction constants are stored in EEPROM on the A7 controller assembly . The advantage of having an EEPROM backup disk is the ability to store all the correction-constant data to a new or repaired A7 assembly without having to reru[...]

  • Page 33

    Chapter 1 1-27 Installing Y our Analyzer STEP 6. Back Up the EEPR OM Disk 5. Press . Use the front panel knob and the softkey to rename the file “FILE00” to “N 12345 ” where 12345 represents the last 5 digits of the instrument's serial number . (The first character in the file name must be a letter .) When finished, press . 6. Labe[...]

  • Page 34

    2-1 2 Quick Start: Learning How to Make Measurements[...]

  • Page 35

    2-2 Chapter 2 Quick Start: Lear ning How to Make Measurements Introduction Introduction The information and procedures in this chapter teach you how to make measurements and what to do if you encounter a problem with your analyzer . The following sections are included: • Analyzer Front P anel on page 2-3 • Measurement Procedure on page 2-5 • [...]

  • Page 36

    Chapter 2 2-3 Quick Start: Lear ning How to Make Measurements Analyzer Front P anel Analyzer F ront P anel CA UTION Do not mistake the line switch for the disk eject button. See the figure below . If the line switch is mistakenly pushed, the instrument will be turned off , losing all settings and data that have not been saved. Figure 2-1 The Analy[...]

  • Page 37

    2-4 Chapter 2 Quick Start: Lear ning How to Make Measurements Analyzer Front P anel 9. ACTIVE CHANNEL keys. The analyzer has four independent display channels . These keys allow you to select the active channel. Then any function you enter applies to this active channel. Notice that the light next to the current active channel’ s key is illuminat[...]

  • Page 38

    Chapter 2 2-5 Quick Start: Lear ning How to Make Measurements Measurement Procedure Measurement Procedure This is a general measurement procedure that is used throughout the guide to illustrate the use of the analyzer . Step 1. Choose measurement parameters with your test device connected • Press the key to return the analyzer to a known state. ?[...]

  • Page 39

    2-6 Chapter 2 Quick Start: Lear ning How to Make Measurements Learning to Make T ransmission Measurements Learning to Make T ransmission Measurements This example procedure shows you how to measure the transmission response of a 10.24 GHz bandpass filter . The measurement parameters listed are unique to this particular test device. F or further me[...]

  • Page 40

    Chapter 2 2-7 Quick Start: Lear ning How to Make Measurements Learning to Make T ransmission Measurements Step 2. P erform a measurement calibration 1. Disconnect your test device from the analyzer . 2. Connect a “thru” between the measurement cables , as shown in Figure 2-3 . Include all the adapters that you will use in your device measuremen[...]

  • Page 41

    2-8 Chapter 2 Quick Start: Lear ning How to Make Measurements Learning to Make T ransmission Measurements Step 3. Measure the device Measuring Insertion Loss 1. Reconnect your test device as in Figure 2-1 on page 2-3 . 2. Reposition the measurement trace for the best view . This can be done by pressing and, if necessary , adjusting the reference le[...]

  • Page 42

    Chapter 2 2-9 Quick Start: Lear ning How to Make Measurements Learning to Make T ransmission Measurements Step 4. Output measurement results This example procedure shows how to output (store) measurement results to a disk. F or more information on creating a hardcopy of the measurement results , refer to the "Printing , Plotting , and Saving M[...]

  • Page 43

    2-10 Chapter 2 Quick Start: Lear ning How to Make Measurements Learning to Make T ransmission Measurements Measuring Other Transmission Characteristics Using the analyzer marker functions , you can derive several important filter parameters from the measurement trace that is shown on the analyzer display . Measuring 3 dB Bandwidth. The analyzer ca[...]

  • Page 44

    Chapter 2 2-11 Quick Start: Lear ning How to Make Measurements Learning to Make T ransmission Measurements 5. Press and enter . The analyzer now calculates the bandwidth between − 6 dB power levels . 6. Press when you are finished with this measurement. Measuring Out-of-Band Rejection. 1. Press . The marker appears where you placed it during the[...]

  • Page 45

    2-12 Chapter 2 Quick Start: Lear ning How to Make Measurements Learning to Make T ransmission Measurements Measuring P assband Flatness or Ripple. P assband flatness (or ripple) is the variation in insertion loss over a specified portion of the passband. Continue with the following steps to measure passband flatness or ripple. 1. Press (if neces[...]

  • Page 46

    Chapter 2 2-13 Quick Start: Lear ning How to Make Measurements Learning to Make Reflection Measurements Learning to Make Reflection Measurements This example procedure shows you how to measure the reflection response of a 10.24 GHz bandpass filter . The measurement parameter values listed are unique to this particular test device. F or further [...]

  • Page 47

    2-14 Chapter 2 Quick Start: Lear ning How to Make Measurements Learning to Make Reflection Measurements Step 1. Choose measurement parameters with your test device connected 1. Press the key to return the analyzer to a known state. 2. Connect your test device as shown in Figure 2-8 . If using a load, make sure it has the correct characteristic imp[...]

  • Page 48

    Chapter 2 2-15 Quick Start: Lear ning How to Make Measurements Learning to Make Reflection Measurements Step 2. Make a measurement calibration F ollow these instructions to perform an S 11 or reflection 1-port error correction: 1. Select a calibration kit that is appropriate to your device under test. Press . Choose the calibration kit that is ap[...]

  • Page 49

    2-16 Chapter 2 Quick Start: Lear ning How to Make Measurements Learning to Make Reflection Measurements 6. Press to complete the process . Step 3. Measure the device Measuring Return Loss. 1. Connect your device to PORT 1 or the REFLECTION port. 2. Press to reposition the trace. 3. Press to read the return loss from the analyzer display as shown i[...]

  • Page 50

    Chapter 2 2-17 Quick Start: Lear ning How to Make Measurements Learning to Make Reflection Measurements Step 4. Output measurement results This step in the procedure shows you how to output the measurement results to a printer . F or in-depth information on creating a hardcopy of the measurement results , refer to the "Printing , Plotting , a[...]

  • Page 51

    2-18 Chapter 2 Quick Start: Lear ning How to Make Measurements Learning to Make Reflection Measurements Measuring Other Reflection Characteristics Y ou can derive several important filter parameters from the measurement shown on the analyzer display . The following set of procedures is a continuation of the previous reflection measurement proce[...]

  • Page 52

    Chapter 2 2-19 Quick Start: Lear ning How to Make Measurements Learning to Make Reflection Measurements Measuring Standing W ave Ratio (SWR) Press so the analyzer shows the same data in terms of standing-wa ve-ratio (SWR), as shown in Figure 2-13 . Now the analyzer shows the measurement data in the unitless measure of SWR where SWR = 1 (perfect ma[...]

  • Page 53

    2-20 Chapter 2 Quick Start: Lear ning How to Make Measurements Learning to Make Reflection Measurements Measuring S 11 and S 22 or Reflection in a P olar F ormat. 1. Press . 2. Press to reposition the trace, as shown in F igure 2-14 . The analyzer shows the results of an S 11 or reflection measurement with each point on the polar trace correspon[...]

  • Page 54

    Chapter 2 2-21 Quick Start: Lear ning How to Make Measurements Learning to Make Reflection Measurements Measuring S 11 and S 22 or Reflection in a Smith Chart F ormat. • Measuring Impedance The amount of power reflected from a device is directly related to the impedance of the device and the measuring system. Each value of the reflection coef[...]

  • Page 55

    2-22 Chapter 2 Quick Start: Lear ning How to Make Measurements Learning to Make Reflection Measurements Figure 2-15 Example Impedance Measurement Trace • Measuring Admittance T o change the display to an inverse Smith c hart graticule and the marker information to read admittance, press . As shown in Figure 2-16 , the marker reads admittance dat[...]

  • Page 56

    Chapter 2 2-23 Quick Start: Lear ning How to Make Measurements If Y ou Encounter a Problem If Y ou Encounter a Problem If you have difficulty when installing or using the analyzer , check the following list of commonly encountered problems and troubleshooting procedures . If the problem that you encounter is not in the following list, refer to add[...]

  • Page 57

    2-24 Chapter 2 Quick Start: Lear ning How to Make Measurements If Y ou Encounter a Problem If the display lights, but the ventilation fan does not start: ❏ Check that the fan is not obstructed. T o check the fan, follow these steps: 1. Switch the LINE power to the off position. 2. Check that the fan blades are not jammed. ❏ Contact the nearest [...]

  • Page 58

    Chapter 2 2-25 Quick Start: Lear ning How to Make Measurements If Y ou Encounter a Problem CA UTION If the error message: CAUTION: OVERLOAD ON INPUT X, POWER REDUCED appears on the analyzer display , too much source power is being applied at the input. In such a case , the input power will need to be reduced before the source power will remain on. [...]

  • Page 59

    2-26 Chapter 2 Quick Start: Lear ning How to Make Measurements If Y ou Encounter a Problem T able 2-1 Agilent T echnologies Sales and Service Offices UNITED ST A TES Instrument Support Center Agilent T echnologies (800) 403-0801 EUROPEAN FIELD OPERA TIONS Headquarters Agilent T echnologies S .A. 150, Route du Nant-d’A vril 1217 Meyrin 2/ Geneva [...]

  • Page 60

    Index Index 1 Numerics 3 dB bandwidth measuring , 2-10 6 dB bandwidth measuring , 2-11 A active channel keys location , 2-4 admittance measuring , 2-22 Agilent T echnologies Sales and Service Offices , 2-26 analyzer configuration , 1-9 – 1-19 attaching cabinet flanges with front handles , 1-19 attaching cabinet flanges without front handles ,[...]

  • Page 61

    2 Index Index performing a measurement calibration , 2-15 REFLECTION port location , 2-4 requirements electrical and environmental , 1-7 response function block keys location , 2-3 Return key , location , 2-3 return loss measuring , 2-16 S Sales and Service Offices , 2-26 shipment, verifying , 1-3 smith chart , 2-21 smith chart format measuring , [...]