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16

Chapter 1

General Information

Getting Started

Getting Started

Connecting and Turning On the Test Set

The 87075C Option H08 test set is designed to be placed underneath
the network analyzer, in a rack system or on a bench top, and connected
as shown in

Figure 1-5

. Use the two Type N 75

Ω

jumper cables (Agilent

Part No. 8120-6983) that were shipped with the test set. See

Table 1-1

on page 9

for a list of accessories supplied.

Figure 1-5

Connecting the Test Set to the Network Analyzer

CAUTION

Never connect 50

Ω

cables to the test set or network analyzer.

Otherwise, connector damage will occur.

After the proper front and rear panel connections have been made, turn
On the test set using the front panel line switch. The front panel line
switch disconnects the mains circuits from the mains supply after the
EMI filters and before other parts of the instrument.

CAUTION

For accurate, repeatable measurements, be sure to let the test set warm
up for at least two hours. It is recommended that the test set not be
turned Off on a regular basis. For the most stable and accurate
measurements, leave the test set turned On at all times.

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Содержание 87075C Option H08

Страница 1: ...Agilent Technologies 87075C Option H08 User s and Service Guide ...

Страница 2: ......

Страница 3: ...h serial numbers greater than US37370245 Use this manual with the following documents 87050E 75C User s Guide Part Number 87050 90026 and 87050E 75C Addendum Part number 87075 90021 Manufacturing Part Number 87075 90022 Printed in USA July 2005 Copyright 2003 2005 Agilent Technologies Inc All rights reserved ...

Страница 4: ...ON CONTAINED HEREIN SHOULD AGILENT AND THE USER HAVE A SEPARATE WRITTEN AGREEMENT WITH WARRANTY TERMS COVERING THE MATERIAL IN THIS DOCUMENT THAT CONFLICT WITH THESE TERMS THE WARRANTY TERMS IN THE SEPARATE AGREEMENT WILL CONTROL Definitions Specifications describe the performance of parameters covered by the product warranty temperature 0 to 55 C unless otherwise noted Typical describes additiona...

Страница 5: ... Do not proceed beyond a caution sign until the indicated conditions are fully understood and met DFARS Restricted Rights Notice If software is for use in the performance of a U S Government prime contract or subcontract 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 com...

Страница 6: ...4 User s and Service Guide Supplement ...

Страница 7: ...8 2 Controlling the Test Set and Making Measurements Introduction 22 Control Bits 23 Commands 24 Computer Control via Network Analyzer 24 Direct Computer Control 24 Manual Control via Network Analyzer 25 Calibrating the Test System 27 Making Measurements 28 3 Front Rear Panel Front Panel 38 Line Power Switch 38 Ports 1 8 38 The REFLECTION Connector 39 The TRANSMISSION Connector 39 The GROUND Conne...

Страница 8: ... Front Panel Board 53 Troubleshooting the Controller and Switch Driver Boards 53 Theory of Operation 55 System Theory 55 A1 Power Supply Theory 55 A2 Front Panel Display Theory 55 A3 Main Switch Board Theory 55 A4 Controller Board Theory 56 Connector Replacement 57 5 Safety and Regulatory Information Safety and Regulatory Information 60 Introduction 60 Connector Care and Cleaning 60 Before Applyin...

Страница 9: ...7 1 General Information ...

Страница 10: ...cing the number of device reconnects the operator must perform Switching is performed with solid state switches no mechanical parts are used The test set can be controlled with the network analyzer s internal IBASIC capability if available an external GPIB controller or parallel control NOTE This User s and Service Guide documents the use of the test set with an Agilent 8753D E Option 075 only Whe...

Страница 11: ...e 64 Table 1 1 87075C Option H08 Accessories Supplied Description Part Number Quantity Power Cord See Figure 3 3 on page 42 1 Front Handle Kit 5063 9227 1 Parallel Port Interface Cable 8120 6818 1 Type N to Type N Cable 75 Ω 8120 8624 2 Type N Semi Rigid Jumper Cables 10 inch 75 Ω 8120 6983 2 Cal Constant Disk for Agilent 871x Self Cal 08712 10016 1 Adapter APC 7 to Type N 85054 60001 2 Disk Sampl...

Страница 12: ...ce Specifications Parameter Specification Frequency Range 3 MHz to 1 3 GHz Isolationa a Between any two non connected signal paths 60 dB Return Lossb b When properly terminated in 75 Ω 15 dB Insertion Loss 6 dBc 10 dBd c From any test port to the Reflection port d From any test port to the Transmission port Input Power Damage Level 16 dBm ...

Страница 13: ...erating Environment Indoor use only Operating temperature 0 to 55 C Maximum relative humidity 80 percent for temperatures up to 31 C decreasing linearly to 50 percent relative humidity at 40 C Altitude up to 15 000 feet 4 572 meters Enclosure protection IP 20 according to IEC 529 CAUTION This product is designed for use in INSTALLATION CATEGORY II and POLLUTION DEGREE 2 per IEC 101 and 664 respect...

Страница 14: ...protrusions 132 8 mm H by 425 0mm W by 497 0 mm L 5 23 in by 16 75 in by 19 60 in Figure 1 1 Physical Dimensions 87075C Option H08 Options UK6 Option UK6 provides a test data package for all critical specifications A calibration and test data package is shipped with the test set when the UK6 Option is selected ...

Страница 15: ...rt numbers of cables other than those described in Figure 3 3 Refer to Contacting Agilent on page 64 3 If this product is to be powered by autotransformer make sure the common terminal is connected to the neutral grounded side of the ac power supply Figure 1 2 Protective Earth Ground WARNING This is a Safety Class I product provided with a protective earthing ground incorporated in the power cord ...

Страница 16: ...f the test set and the system cabinet See Figure 1 3 The convection into and out of the test set must not be restricted The ambient temperature outside the cabinet must be less than the maximum operating temperature of the test set by 4 C for every 100 watts dissipated in the cabinet Figure 1 3 Ventilation Clearance Requirements CAUTION If the total power dissipated in the cabinet is greater than ...

Страница 17: ...ic discharges too small to be felt can cause permanent damage To prevent damage to the instruments always wear a grounded wrist strap having a 1 MΩ resistor in series with it when handling components and assemblies always use a grounded conductive table mat while working on the instrument always wear a heel strap when working in an area with a conductive floor If you are uncertain about the conduc...

Страница 18: ...o the Network Analyzer CAUTION Never connect 50 Ω cables to the test set or network analyzer Otherwise connector damage will occur After the proper front and rear panel connections have been made turn On the test set using the front panel line switch The front panel line switch disconnects the mains circuits from the mains supply after the EMI filters and before other parts of the instrument CAUTI...

Страница 19: ...t Address Switch CAUTION Make sure the test set is turned Off before you change the position of any address switch NOTE The left most switch is used to specify whether the test set will work with an Agilent 8753D E or an Agilent 871xC When the switch is up the test set will work with an Agilent 8753D E and behaves as indicated in Chapter 3 When the switch is down the test set will work with an Agi...

Страница 20: ...roper frequency range and impedance 1 Connect the 75 Ω cable to the Reflection port of the analyzer 2 Perform a one port reflection calibration at the end of the 75 Ω cable over the frequency range of 3 MHz to 1 3 GHz on the analyzer Verify that the calibration is active and that a cable terminated with a short displays a return loss of 0 dB 0 2 dB 3 Connect the cable already connected to the Refl...

Страница 21: ...mple test and yet still not function properly For more complete testing see Performance Tests on page 45 If a more complete test is desired repeat the above procedure but this time terminate each port being tested with a known good 75 Ω load with a return loss of better than 40 dB The resulting return loss should be a maximum of 15 dB ...

Страница 22: ...20 Chapter1 General Information Performing the Operator s Check ...

Страница 23: ...21 2 Controlling the Test Set and Making Measurements ...

Страница 24: ... ways in which the test set can be controlled The controller can talk to the network analyzer using GPIB which then controls the test set via the parallel connection The controller can control the test set using GPIB commands via the GPIB connector A network analyzer equipped with a parallel connection can control the test set directly The next three sections discuss the three methods of control ...

Страница 25: ...e network analyzer Test set addresses are set with a rear panel switch on the test set These 2 bits are ignored when the GPIB is used Not Used This bit may be used for future customizing It must be set to zero REFLECTION TRANSMISSION This bit selects which input port of the test set is to be connected When set to 0 reflection is active When the bit is set to 1 transmission is active Test Port Addr...

Страница 26: ...he parallel port for GPIO function OUTPUT 716 PARAOUT D Programs all GPIO output bits 0 to 256 at once NOTE Be sure to use the ending semi colon Direct Computer Control The second way to control the test set is to address the 87075C Option H08 test set directly over GPIB using a controller to write directly to the test set s GPIB port The following example assumes that the address of the test set ...

Страница 27: ...alyzer to control the test set directly This method is performed with the standard setup of the network analyzer working with the test set A parallel cable is connected from the network analyzer output to the test set input on both rear panels The following example for manual control using the network analyzer uses normal text in brackets to indicate hard keys and italicized text in brackets to in...

Страница 28: ...All Reflection Ports Terminated 0 0 0 0 1 1 0 1 13 TRANSMISSION to PORT 1 0 0 0 1 0 0 0 0 16 TRANSMISSION to PORT 2 0 0 0 1 0 0 0 1 17 TRANSMISSION to PORT 3 0 0 0 1 0 0 1 0 18 TRANSMISSION to PORT 4 0 0 0 1 0 0 1 1 19 TRANSMISSION to PORT 5 0 0 0 1 0 1 0 0 20 TRANSMISSION to PORT 6 0 0 0 1 0 1 0 1 21 TRANSMISSION to PORT 7 0 0 0 1 0 1 1 0 22 TRANSMISSION to PORT 8 0 0 0 1 0 1 1 1 23 All Transmiss...

Страница 29: ...minated in 75 Ω Calibrating the Test System After the test set has warmed up for two hours it should be calibrated before making any measurements Refer to the network analyzer s user s guide to determine the type of calibration needed for the measurements you will be making You will need to calibrate each measurement path separately and store the calibration as an instrument state in the network a...

Страница 30: ...measurements you must use the transfer switch internal to the 8753D E analyzer to change the RF signal path direction Do not use the test set to change the RF signal path direction when you are entering a full two port calibration Doing so will render the calibration invalid NOTE The SelfCal feature described in the 87050E 87075C User s and Service Guide is not available when using the Option H08 ...

Страница 31: ...t PORT 3 of the test set to the REFLECTION port and you will connect PORT 8 of the test set to the TRANSMISSION port You will thus be measuring forward transmission through the device under test when measuring S21 This will provide you with gain or insertion loss information OUTPUT 716 PARALGPIO OUTPUT 716 PARAOUT2 OUTPUT 716 PARALGPIO OUTPUT 716 PARAOUT23 Measuring Reflection By leaving the DUT c...

Страница 32: ...mma The numbers may range from 0 through 8 for the test ports For example the entry of 2 5 will connect the REFLECTION port to PORT 2 and the TRANSMISSION port to PORT 5 The program is a continuous loop Press Stop to end the program execution The Control Program 10 CONTROL This example program allows manual control of the 20 87075C H08 via the parallel port of the 8753D E 30 or via GPIB directly 4...

Страница 33: ... control GPIB or Parallel Port Enter G or P Answ 340 Answ UPC Answ 1 1 350 UNTIL Answ P OR Answ G 360 Controller Answ 370 380 ABORT 7 390 CLEAR SCREEN 400 IF Controller P THEN 410 Addr Nwa_addr Assign address to the analyzer 420 PRINT Test set is being controlled via Parallel Port 8753D E GPIB address Addr 430 ELSE 440 Addr Ts_addr Assign address to the test set 450 CLEAR Addr 460 PRINT test set i...

Страница 34: ...0 Refl 0 640 Trans 0 650 BEEP 500 1 660 INPUT Enter the Refl Trans PORT selections separated by commas e g 2 4 Refl Trans 670 Refl INT Refl 680 Trans INT Trans 690 EXIT IF Refl Trans OR Refl 0 AND Trans 0 AND Refl 9 AND Trans 9 AND Refl 0 AND Trans 0 700 DISP PORT selections MUST be different if non zero Range 0 to 8 Try again Refl Refl Trans Trans 710 BEEP 1500 3 720 WAIT 3 730 END LOOP 740 Set_s...

Страница 35: ...3 d2 d1 d0 970 980 d7 Test set address bits Two bits allow up to 4 test sets 990 d6 to be addressed with Centronics connector Test set 1000 addresses are set with rear panel switch 1010 1020 d5 For future customization 1030 1040 d4 Selects port1 port2 REFLECTION or TRANSMISSION 1050 0 selects port 1 as active 1 selects port 2 1060 1070 d3 1080 d2 Four bits select which port of the 87075C H08 is 10...

Страница 36: ...ASE 5 PORT 5 1300 Switch_code 4 1310 CASE 6 PORT 6 1320 Switch_code 5 1330 CASE 7 PORT 7 1340 Switch_code 6 1350 CASE 8 PORT 8 1360 Switch_code 7 1370 CASE 0 TERMINATE RESET 1380 Switch_code 13 1390 CASE ELSE 1400 DISP Unrecognized Switched_port parameter Switched_port 1410 WAIT 2 1420 END SELECT 1430 1440 CASE TRANS TRANSMISSION 1450 SELECT UPC TRIM Switched_port 1460 CASE 1 PORT 1 1470 Switch_co...

Страница 37: ...itch_code 28 1640 CASE ELSE 1650 DISP Unrecognized Switched_port parameter Switched_port 1660 WAIT 2 1670 END SELECT 1680 CASE ELSE 1690 DISP Unrecognized Main_port parameter Main_port 1700 WAIT 2 1710 END SELECT 1720 1730 IF Controller H THEN 1740 OUTPUT Addr CHR VAL Switch_code Sent via GPIB 1750 ELSE 1760 Output_cmd VAL VAL Switch_code 1770 OUTPUT Addr PARALGPIO 1780 OUTPUT Addr PARAOUT Output_...

Страница 38: ...36 Chapter2 Controlling the Test Set and Making Measurements Calibrating the Test System ...

Страница 39: ...37 3 Front Rear Panel ...

Страница 40: ...pply after the EMI filters and before others parts of the instrument Ports 1 8 PORTS 1 through 8 are female Type N 75 Ω connectors that are used to connect to the device under test CAUTION Never attempt to use 50 Ω Type N cables connectors or devices with a female Type N 75 Ω connector Irreparable damage will occur CAUTION Do not input more than 20 dBm or 25 Vdc to these ports or damage to the int...

Страница 41: ... N 75 Ω connector that connects directly to the PORT 2 port of the network analyzer using the semi rigid cable Agilent Part No 8120 6983 that was shipped with your test set CAUTION Check your analyzer s documentation for damage limits to Port 2 Make sure that your test setup will not cause those limits to be exceeded The GROUND Connector The GROUND connector provides a convenient front panel groun...

Страница 42: ...ls required to drive a printer The 871X Printer Parallel Port Connector The output from this connector is provided to control a printer GPIB Connector Agilent 8753D E only This connector allows the test set to be connected directly to a controller Address Switch The address switch sets the GPIB or parallel address of the test set For more information refer to Setting the Test Set Address Switch on...

Страница 43: ...e power cables Cables are available in different lengths Use Contacting Agilent on page 64 for descriptions and part numbers of cables other than those described in Figure 3 3 CAUTION Always use the three prong ac power cord supplied with this product Failure to ensure adequate grounding by not using this cord may cause damage to the product WARNING This is a Safety Class I product provided with a...

Страница 44: ... NEMA 5 15P 90 90 203 80 203 80 Jade Gray Jade Gray Gray Gray 229 90 229 90 Option 903 United States Canada Brazil Colombia Mexico Philippines Saudi Arabia Taiwan Option 918 Japan Option 902 Continental Europe Central African Republic United Arab Republic Mint Gray Mint Gray 200 78 200 78 Straight CEE 7 VII 90 8120 1689 8120 1692 8120 2104 8120 2296 Straight SEV Type 12 90 200 78 200 78 200 78 200...

Страница 45: ...43 4 Service ...

Страница 46: ...er contains information on the theory of operation how to verify the performance of your test set how to troubleshoot it if necessary and a block diagram NOTE Please read all applicable safety warnings and cautions in Chapter 5 before servicing the test set ...

Страница 47: ...later in this chapter to record the results of the performance tests There are no adjustments required for the 87075C Option H08 test set Insertion Loss 1 Perform a full two port calibration from 3 MHz to 1 3 GHz at the ends of two cables attached to the two test ports of the Agilent 8753D E Make sure the calibration is active 2 Connect the cable that is attached to PORT 1 of the 8753D E to the Re...

Страница 48: ... that the terminated cable displays a return loss of 0 dB 0 2 dB 2 Connect the cable already connected to the REFLECTION measurement port of the analyzer to PORT 1 of the 87075C Option H08 Connect a high quality 75 Ω load to the REFLECTION port of the 87075C Option H08 Measure the return loss of PORT 1 by selecting PORT 1 via the CONTROL program e g 1 0 and viewing the display on the analyzer 3 Re...

Страница 49: ...load to both the Reflection and Transmission ports of the 87075C Option H08 3 Connect the two cables that are attached to the network analyzer to ports 1 and 2 of the 87075C Option H08 The exact order doesn t matter 4 Using the CONTROL program provided select reflection Port 1 and transmission Port 2 e g 1 2 you could also use 2 1 Set the 8753D E to measure the transmission Verify 60 dB of isolati...

Страница 50: ...______________________________ Model ________________________________________ Serial Number ____________________________ Ambient temperature ________________________ C Relative Humidity ________________________________________ Test Equipment Used Model Number Trace Number Cal Due Date __________________ __________________ _________________ _________________ __________________ __________________ __...

Страница 51: ...1 dB Port 3 6 0 dB __________ 0 1 dB Port 4 6 0 dB __________ 0 1 dB Port 5 6 0 dB __________ 0 1 dB Port 6 6 0 dB __________ 0 1 dB Port 7 6 0 dB __________ 0 1 dB Port 8 6 0 dB __________ 0 1 dB Insertion Loss to TRANSMISSION Port Port 1 10 0 dB __________ 0 1 dB Port 2 10 0 dB __________ 0 1 dB Port 3 10 0 dB __________ 0 1 dB Port 4 10 0 dB __________ 0 1 dB Port 5 10 0 dB __________ 0 1 dB Po...

Страница 52: ...__________ 0 5 dB TRANSMISSION PORT 15 dB __________ 0 5 dB REFLECTION PORT 15 dB __________ 0 5 dB Isolation Port 1 to 2 60 dB __________ 1 0 dB Port 2 to 3 60 dB __________ 1 0 dB Port 3 to 4 60 dB __________ 1 0 dB Port 4 to 5 60 dB __________ 1 0 dB Port 5 to 6 60 dB __________ 1 0 dB Port 6 to 7 60 dB __________ 1 0 dB Port 7 to 8 60 dB __________ 1 0 dB Table 4 2 87075C Option H08 Test Recor...

Страница 53: ...ering parts through your local Agilent Technologies sales or service office specify that they are ordered through the MID NA Support Group NOTE Special options are built to order therefore long lead times may be encountered when ordering replacement parts Table 4 3 Replaceable Parts Replacement Part Part Number Power Supply 0950 2023 Main Switch Board 87075 60013 Driver Board 87050 60067 SRF Cable...

Страница 54: ...ounded wrist strap to prevent damage from electrostatic discharge ESD See ESD Protection Setup on page 15 NOTE Before replacing an assembly or board inspect for obvious easily repaired defects such as bent pins on ICs or cold solder joints Troubleshooting Power Supply Problems Turn the instrument on Check the condition of the LED on the front panel 1 If the LED is off check the main fuse located i...

Страница 55: ...f the RF path has indeed been switched If the problem lies with the front panel board replace it 4 Ensure that the front panel washers between the board and the front panel assembly are present Missing washers can cause erratic LED behavior Troubleshooting the Controller and Switch Driver Boards Turn the instrument power on Check the condition of each of the switching paths by issuing commands to ...

Страница 56: ...C Option H08 Block Diagram A4 CONTROLLER BOARD A1 POWER SUPPLY A3 MAIN SWITCH BOARD A2 FRONT PANEL DISPLAY phr617c Ports Transmission Port Reflection Port 1 x 3 1 x 3 1 2 3 4 5 6 7 8 1 x 4 1 x 4 1 x 3 1 x 3 1 x 3 1 x 3 1 x 4 1 x 4 1 x 3 1 x 3 1 x 3 1 x 3 ...

Страница 57: ...itching between the different ports A1 Power Supply Theory The switching power supply provides regulated DC voltages to power all assemblies in the test set A DC cable provides power to the main switch board A connector from the main switch board to the front panel display provides DC power and control signals to the front panel The power supply provides the following supplies 5 V 15 V and 15 V A2...

Страница 58: ... The four 1 4 switches combine each of the eight 1 3 switches into four banks These four banks are divided into two for the transmission port and two for the reflection PORT Finally the two 1 3 switches recombine the four banks into either the transmission port or reflection port All switches are solid state pin diodes which are biased to the necessary switching path A user interface through the G...

Страница 59: ...ve to replacing a damaged connector would be to just replace the center pin components The three required components are The three components should be connected together using a liquid thread locking adhesive such as Agilent part number 0470 1590 Re use any shims and spacers from the connector being replaced For best results use a connector gauge to verify pin depth See Figure 4 2 for proper pin ...

Страница 60: ...58 Chapter4 Service Theory of Operation ...

Страница 61: ...59 5 Safety and Regulatory Information ...

Страница 62: ... to match the available main power source If this product is to be powered by autotransformer make sure the common terminal is connected to the neutral grounded side of the ac power supply Shipping Instructions You must always call the Agilent Technologies Instrument Support Center to initiate service before retuning your instrument to a service office See Contacting Agilent on page 64 Always tran...

Страница 63: ...replace line fuse only with same type and rating H 3 15 A 250 Vac part number 2110 0957 The use of other fuses or materials is prohibited 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 inserted into a socket outlet provided with a protective earth contact Any interruption of the protective conductor in...

Страница 64: ...ent are CAUTION Always use the three prong ac power cord supplied with this instrument Failure to ensure adequate earth grounding by not using this cord may cause instrument damage CAUTION This instrument has autoranging line voltage input Be sure the supply voltage is within the specified range CAUTION This product is designed for use in Installation Category II and Pollution Degree 2 per IEC 101...

Страница 65: ... indicates separate collection for electrical and electronic equipment mandated under EU law as of August 13 2005 All electric and electronic equipment are required to be separated from normal waste for disposal Reference WEEE Directive 2002 96 EC This text indicates that the instrument is an Industrial Scientific and Medical Group 1 Class A product CISPR 11 Clause 4 This symbol indicates that the...

Страница 66: ... 1800 880 399 fax 1800 801 054 Europe Austria tel 0820 87 44 11 fax 0820 87 44 22 Belgium tel 32 0 2 404 9340 alt 32 0 2 404 9000 fax 32 0 2 404 9395 Denmark tel 45 7013 1515 alt 45 7013 7313 fax 45 7013 1555 Finland tel 358 10 855 2100 fax 358 0 10 855 2923 France tel 0825 010 700 alt 33 0 1 6453 5623 fax 0825 010 701 Germany tel 01805 24 6333 alt 01805 24 6330 fax 01805 24 6336 Ireland tel 353 0...

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