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Agilent Technologies 87050A Option K24 User's And Service Manual

Multiport test set
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Agilent Technologies
87050A Option K24
User's and Service Guide
Multiport Test Set
Use this manual with the following documents:
PNA Series Network Analyzer On-line Help System and Application Note 1408-12
8719D/20D/22D Network Analyzer User's Guide, Part Number 08720-90288
8753D Network Analyzer User's Guide, Part Number 08753-90257
8753E Network Analyzer User's Guide, Part Number 08753-90367
8719D/20D/22D Network Analyzer Service Guide, Part Number: 08720-90292
8753D Network Analyzer Service Guide, Part Number: 08753-90261
8753E Network Analyzer Service Guide, Part Number: 08753-90374
Manufacturing Part Number: 87050-90022
Printed in USA: November 2009
Supersede: April 2008
© Copyright Agilent Technologies, Inc. 2002, 2007-2009

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Summary of Contents for Agilent Technologies 87050A Option K24

  • Page 1 8719D/20D/22D Network Analyzer Service Guide, Part Number: 08720-90292 8753D Network Analyzer Service Guide, Part Number: 08753-90261 8753E Network Analyzer Service Guide, Part Number: 08753-90374 Manufacturing Part Number: 87050-90022 Printed in USA: November 2009 Supersede: April 2008 © Copyright Agilent Technologies, Inc. 2002, 2007-2009...
  • Page 2 2.101(a) or as “Restricted computer software” as defined in FAR 52.227-19 (June 1987) or any equivalent agency regulation or contract clause. Use, duplication or disclosure of Software is subject to Agilent Technologies’ standard commercial license terms, and non-DOD Departments and Agencies of the U.S. Government will receive no greater than Restricted Rights as defined in FAR 52.227-19(c)(1-2) (June 1987).
  • Page 3 Safety Notes The following safety notes are used throughout this document. Familiarize yourself with each of these notes and its meaning before performing any of the procedures in this document. Warning denotes a hazard. It calls attention to a procedure WARNING which, if not correctly performed or adhered to, could result in injury or loss of life.

  • Page 5: Table Of Contents

    87050A Option K24 Options........
  • Page 6 Contents Connector Replacement ............47 Troubleshooting and Block Diagram .

  • Page 7: 87050A Option K24

    87050A Option K24 User’s and Service Guide...

  • Page 8: Description

    87050A Option K24 Description Description The Agilent 87050A Option K24 Multiport Mechanical Switching Test Set is designed for use with 50 Ω network analyzers such as the Agilent PNA E8362B, PNA-L N5230A, 8719D/E, 8720D/E, 8722D/E and 8753D/E. The Test Set provides the ability to make single connection, multiple measurements of multiport devices with up to 24 ports, such as distribution amplifiers, taps, switches and couplers.

  • Page 9: Verifying The Shipment

    If your test set or any accessories appear to be damaged or missing refer to "Contacting Agilent" on page Table 1 87050A Option K24 Accessories Supplied Description Agilent Part Number Quantity...

  • Page 10: General Specifications

    87050A Option K24 General Specifications General Specifications Table 2 Agilent 87050A Option K24 Specifications Parameter Specification Frequency Range 50 MHz to 20 GHz Isolation ≥ 85 dB 0.50 GHz to 1.3 GHz ≥ 100 dB 1.3 GHz to 3.0 GHz ≥...

  • Page 11: Power Requirements

    87050A Option K24 General Specifications Power Requirements NOTE Refer to your network analyzer documentation for specifications and power requirements. Verify that the required ac power is available at all necessary locations before installing the Test Set to the PNA. • Air conditioning equipment (or other motor–operated equipment) should not be placed on the same ac line that powers the Test Set and PNA.

  • Page 12: Environmental Requirements

    Enclosure Protection IP 2 0 Environmental Tests The 87050A Option K24 complies with all applicable safety and regulatory requirements for the intended location of use and have been evaluated to assure that they are consistent with Agilent quality and reliability goals.

  • Page 13: Dimensions And Space Requirements

    87050A Option K24 General Specifications Dimensions and Space Requirements Standard installation of the 87050A Option K24 and PNA includes configuration and installation on a customer provided lab bench or table top of adequate size and strength. Table 3 Instrument Dimensions...

  • Page 14: Ventilation Requirements

    Ventilation Requirements ESD (electrostatic discharge) must be eliminated by use of static-safe work procedures and an anti-static bench mat.Refer to “Electrostatic Discharge Protection” on page The 87050A Option K24 and the PNA are listed in “Environmental Requirements” listed on Page 6.

  • Page 15: Front And Rear Panel Features

    87050A Option K24 Front and Rear Panel Features Front and Rear Panel Features This chapter contains information on the ports and switches found on the front and rear panels of the test set. Figure 3 Front Panel Reflection 50 Ω...

  • Page 16: Transmission And Reflection Ports

    87050A Option K24 Front and Rear Panel Features Figure 4 Physical Characteristics of the 3.5 mm Connector Transmission and Reflection Ports The Transmission and Reflection Ports are female 3.5 mm 50 Ω connectors. A 50 Ω cable connects directly to the Port 1/Port 2 or Reflection/Transmission port of the network analyzer using the cable (08720-20245) that was shipped with your Test Set.

  • Page 17: Parallel Port Input Connector

    87050A Option K24 Front and Rear Panel Features Figure 5 Rear Panel Parallel Port Input Printer/Test Set Address Switch Switch Parallel Port Output GPIB connector Line Module Parallel Port Input Connector This input is connected to the network analyzer. The analyzer provides control signals that drive the switches inside the test set.

  • Page 18: Address Switch

    87050A Option K24 Front and Rear Panel Features Address Switch The address switch sets the GPIB or parallel address of the test set. See “Setting the Test Set Address Switch” on page 16 for information. Line Module The line fuse and a spare reside within the line module.

  • Page 19: Power Cables

    87050A Option K24 Power Cables Power Cables The line power cable is supplied in one of several configurations, depending on the destination of the original shipment. Each instrument is equipped with a three-wire power cable. When connected to an appropriate ac power receptacle, this cable grounds the instrument chassis. The type of power cable shipped with each instrument depends on the country of destination.
  • Page 20 Israel 200 (78) Jade Gray 8120-5181 a. E =earth ground, L = line, and N = neutral. b. Plug identifier numbers describe the plug only. The Agilent Technologies part number is for the complete cable assembly. User’s and Service Guide...

  • Page 21: System Setup

    87050A Option K24 System Setup System Setup The test set is designed to be placed underneath the network analyzer in a rack system 8. Use the two SMA 50 Ω jumper cables (08720-20245) and connected as shown in Figure included in the shipment. See...

  • Page 22: Setting The Test Set Address Switch

    87050A Option K24 System Setup Setting the Test Set Address Switch The test set is shipped with the GPIB (HP-IB) address set to 12, which sets the parallel address to 0 as in Figure 9. Refer to “Operation” on page 18 for the definition of the parallel address.

  • Page 23: Performance Verification

    Step 2. Connect the cable (already connected to the reflection port of the analyzer) to the reflection port of the 87050A Option K24 Test Set. Step 3. Measure the return loss of each section of the test set by selecting each port individually (ports 1 thru 24), using the network analyzer.

  • Page 24: Operation

    Be sure to use the ending semi-colon. The second way to control the test set is to address the 87050A Option K24 test set directly over GPIB, using a controller to write directly to the test set GPIB port. The following example assumes that the address of the test set is 12.

  • Page 25: Network Analyzer Control

    87050A Option K24 Operation Figure 10 Controlling the Test Set Over GPIB NOTE Connection to the network analyzer is not required when controlling the test set over GPIB. Network Analyzer Control The third method of sending commands uses the network analyzer to control the test set directly.
  • Page 26 87050A Option K24 Operation Table 4 Test Port Addresses Connection Path GPIB Decimal [D] Binary Command Equivalent Transmission to Port 1 tran_01 00000000 Transmission to Port 2 tran_02 00000001 Transmission to Port 3 tran_03 00000010 Transmission to Port 4 tran_04...
  • Page 27 87050A Option K24 Operation Table 4 Test Port Addresses Connection Path GPIB Decimal [D] Binary Command Equivalent Reflection to Port 5 refl_05 00011101 Reflection to Port 6 refl_06 00011110 Reflection to Port 7 refl_07 00011111 Reflection to Port 8 refl_08...
  • Page 28 When a test set port is not in use, it is terminated in 50 Ω. NOTE If the 87050A Option K24 is being controlled by GPIB, you can read the serial number of the test set by sending the following commands: OUTPUT 712;"sn?"...
  • Page 29 87050A Option K24 Operation Table 5 Switch Count Commands Switch Number GPIB Command SW10? SW11? SW12? SW13? SW14? SW15? SW16? SW17? SW18? SW19? SW50? SW51? SW52? SW53? SW54? SW55? SW56? SW57? SW58? SW59? SW60? SW61? SW62? SW63? SW64? SW65? SW66?
  • Page 30 87050A Option K24 Operation Table 5 Switch Count Commands SW70? SW71? SW72? SW73? User’s and Service Guide...

  • Page 31: Calibrating The Test System

    87050A Option K24 Operation Calibrating the Test System After the test set has warmed up for at least two hours, you should calibrate before making any measurements. Refer to your network analyzer user’s guide to determine the type of calibration appropriate for the measurements you will be making.

  • Page 32: Making Measurements

    S . This will provide you with gain or insertion loss information. OUTPUT 716;"PARALGPIO;" OUTPUT 716;"PARAOUT19;" OUTPUT 716;"PARALGPIO;" OUTPUT 716;"PARAOUT45;" If directly controlling the 87050A Option K24, use the following GPIB commands: OUTPUT 712;"tran_20" OUTPUT 712;"refl_21" User’s and Service Guide...
  • Page 33 87050A Option K24 Operation Figure 12 Controlling the Test Set User’s and Service Guide...

  • Page 34: Theory Of Operation

    Theory of Operation Theory of Operation The theory of operation begins with a general description of the 87050A Option K24 Multiport Test Set. This is followed by more detailed operating theory. The operation of each group is described briefly, to the assembly level only. Detailed component level circuit theory is not provided.
  • Page 35 87050A Option K24 Theory of Operation Each path is routed to a bank of four 1 × 6 switches, for a total of eight 1 × 6 switches. Each bank of switches is routed to a single 1 × 4 switch where it becomes either the Transmission or Reflection port.

  • Page 36: Performance Tests

    Step 2. Connect the cable that is attached to Port 1 of the 8720D to the Transmission port of the 87050A Option K24. Step 3. Connect the cable from Port 2 of the analyzer to Port 1 of the 87050A Option K24. Select Transmission Port 1 using the 8720D. Record the results in the...

  • Page 37: Return Loss

    Step 2. Connect the cable (already connected to the Reflection measurement port of the analyzer) to Port 1 of the 87050A Option K24. Connect a high-quality 50 Ω load to the Transmission port of the 87050A Option K24. Measure the return loss of Port 1 by selecting Port 1.

  • Page 38: Performance Test Record

    (Insertion Loss, Return Loss, and Isolation). At the top of each page, circle the appropriate input port (Transmission or Reflection), and write in the test date. Agilent 87050A Option K24 Test Record Test Facility ____________________________ Report Number __________________________...
  • Page 39 87050A Option K24 Performance Tests Table 6 Insertion Loss Test Record Transmission/Reflection Date______________ Test Description Port Minimum Measured Measured Specifications Results Uncertainty ≤2.5 dB Port 1 _______________ ±0.3 dB ≤2.5 dB Insertion Loss to Band 1 Port 2 _______________ ±0.3 dB ≤2.5 dB...
  • Page 40 87050A Option K24 Performance Tests Table 7 Insertion Loss Test Record Transmission/Reflection Date______________ Test Description Port Minimum Measured Measured Specifications Results Uncertainty ≤3.5 dB Port 1 _______________ ±0.3 dB ≤3.5 dB Insertion Loss to Band 2 Port 2 _______________ ±0.3 dB ≤3.5 dB...
  • Page 41 87050A Option K24 Performance Tests Table 8 Insertion Loss Record Transmission/Reflection Date______________ Test Description Port Minimum Measured Measured Specifications Results Uncertainty ≤4.5 dB Port 1 _______________ ±0.3 dB ≤4.5 dB Insertion Loss to Band 3 Port 2 _______________ ±0.3 dB ≤4.5 dB...
  • Page 42 87050A Option K24 Performance Tests Table 9 Return Loss Test Record Transmission/Reflection Date______________ Test Description Port Minimum Measured Measured Specifications Results Uncertainty .≥24 dB Port 1 _______________ ±1.5 dB ≥24 dB Return Loss Band 1 Port 2 _______________ ±1.5 dB ≥24 dB...
  • Page 43 87050A Option K24 Performance Tests Table 10 Return Loss Test Record Transmission/Reflection Date______________ Test Description Port Minimum Measured Measured Specifications Results Uncertainty ≥20 dB Port 1 _______________ ±1.5 dB ≥20 dB Return Loss Band 2 Port 2 _______________ ±1.5 dB ≥20 dB...
  • Page 44 87050A Option K24 Performance Tests Table 11 Return Loss Test Record Transmission/Reflection Date______________ Test Description Port Minimum Measured Measured Specifications Results Uncertainty ≥14 dB Port 1 _______________ ±0.6 dB ≥14 dB Return Loss Band 3 Port 2 _______________ ±0.6 dB ≥14 dB...
  • Page 45 87050A Option K24 Performance Tests Table 12 Return Loss Test Record Transmission/Reflection Date______________ Test Description Port Minimum Measured Measured Specifications Results Uncertainty ≥12 dB Port 1 _______________ ±0.5 dB ≥12 dB Return Loss Band 4 Port 2 _______________ ±0.5 dB ≥12 dB...
  • Page 46 87050A Option K24 Performance Tests Table 13 Return Loss Record Transmission/Reflection Date______________ Test Description Port Minimum Measured Measured Specifications Results Uncertainty ≥8 dB Port 1 _______________ ±0.5 dB ≥8 dB Return Loss Band 5 Port 2 _______________ ±0.5 dB ≥8 dB 12.4 GHz to 20 GHz...
  • Page 47 87050A Option K24 Performance Tests Table 14 Isolation Test Record Transmission/Reflection Date______________ Test Description Port Minimum Measured Measured Specifications Results Uncertainty ≥85 dB Port 1 _______________ ±5 dB ≥85 dB Isolation Band 1 Port 2 _______________ ±5 dB ≥85 dB 0.5 GHz to 1.3 GHz...
  • Page 48 87050A Option K24 Performance Tests Table 15 Agilent 87050A Option K24 Isolation Test Record Transmission/Reflection Date______________ Test Description Port Minimum Measured Measured Specifications Results Uncertainty ≥100 dB Port 1 _______________ ±5 dB ≥100 dB Isolation Band 2 Port 2 _______________ ±5 dB...
  • Page 49 87050A Option K24 Performance Tests Table 16 Isolation Test Record Transmission/Reflection Date______________ Test Description Port Minimum Measured Measured Specifications Results Uncertainty ≥95 dB Port 1 ___________ ±5 dB ≥95 dB Isolation Band 3 Port 2 ___________ ±5 dB ≥95 dB 3.0 GHz to 6.0 GHz...
  • Page 50 87050A Option K24 Performance Tests Table 17 Isolation Test Record Transmission/Reflection Date______________ Test Description Port Minimum Measured Measured Specifications Results Uncertainty ≥90 dB Port 1 _______________ ±7 dB ≥90 dB Isolation Band 4 Port 2 _______________ ±7 dB ≥90 dB 6.0 GHz to 20.0 GHz...

  • Page 51: Assembly Replacement And Post-Repair Procedures

    Special options are built to order, therefore long lead times may be NOTE encountered when ordering replacement parts. Refer to “Contacting Agilent” on page Table 18 Agilent 87050A Option K24 Replaceable Parts Replacement Part Part Number Quantity Power Supply 0950-2252...
  • Page 52 87050A Option K24 Assembly Replacement and Post-Repair Procedures Table 18 Agilent 87050A Option K24 Replaceable Parts Replacement Part Part Number Quantity RF Cable- Sw A15-1 87050-20084 RF Cable- Sw A19-1 87050-20085 RF Cable- Sw A20-1 87050-20086 RF Cable- Sw A21-1...

  • Page 53: Connector Replacement

    Figure 4 on page 10 for proper pin-depth. Add or subtract spacers as required. Spacers and shims are also available from Agilent Technologies. WARNING The opening of covers or removal of parts is likely to expose the user to dangerous voltages. Disconnect the instrument from all voltage sources while it is being opened.

  • Page 54: Troubleshooting And Block Diagram

    87050A Option K24 Troubleshooting and Block Diagram Troubleshooting and Block Diagram This section contains information on troubleshooting the test set to the assembly level only. By following these procedures you should be able to determine whether the power supply, front panel, or main switch board needs replacing. Refer to Figure 13, “Agilent 87050A...

  • Page 55: Troubleshooting The Front Panel Board

    87050A Option K24 Troubleshooting and Block Diagram Troubleshooting the Front Panel Board Turn the instrument power on and confirm the following: Step 1. Verify the condition of each of the switching paths by issuing commands to switch each of the paths to either the transmission or reflection path. Ensure that the LCD indicates the appropriate path.
  • Page 56 87050A Option K24 Troubleshooting and Block Diagram Figure 13 Agilent 87050A Option K24 Block Diagram User’s and Service Guide...

  • Page 57: Safety And Regulatory Information

    Declaration of Conformity A copy of the Declaration of Conformity is available upon request, or a copy is available on the Agilent Technologies web site at http://regulations.corporate.agilent.com/DoC/search.htm Statement of Compliance This instrument has been designed and tested in accordance with CAN/CSA 22.2 No.

  • Page 58: General Safety Considerations

    87050A Option K24 Safety and Regulatory Information General Safety Considerations Cautions Cautions applicable to this instrument. The Mains wiring and connectors shall be compatible with the connector used CAUTION in the premise electrical system. Failure, to ensure adequate earth grounding by not using the correct components may cause product damage, and serious injury.

  • Page 59: Warnings

    87050A Option K24 Safety and Regulatory Information Warnings Warnings applicable to this instrument WARNING Danger of explosion if battery is incorrectly replaced. Replace only with the same or equivalent type recommended. Discard used batteries according to manufacturer’s instructions. WARNING This is a Safety Class I product (provided with a protective earthing ground incorporated in the power cord).

  • Page 60: Regulatory Information

    87050A Option K24 Safety and Regulatory Information Regulatory Information This section contains information that is required by various government regulatory agencies. Instrument Markings The instruction documentation symbol. The product is marked with this symbol when it is necessary for the user to refer to the instructions in the documentation.

  • Page 61: Battery Collection

    Safety and Regulatory Information Battery Collection Do not throw batteries away but collect as small chemical waste, or in accordance with your country’s requirements. You may return the battery to Agilent Technologies for disposal. Refer to “Contacting Agilent” on page 57 for assistance.

  • Page 62: Electrostatic Discharge Protection

    87050A Option K24 Electrostatic Discharge Protection Electrostatic Discharge Protection Protection against electrostatic discharge (ESD) is essential while removing assemblies from or connecting cables to the network analyzer. Static electricity can build up on your body and can easily damage sensitive internal circuit elements when discharged. Static discharges too small to be felt can cause permanent damage.

  • Page 63: Agilent Support, Services, And Assistance

    Agilent for repair. If you wish to send your instrument to Agilent Technologies for service or repair: • Include a complete description of the service requested or of the failure and a description of any failed test and any error message.
  • Page 64 87050A Option K24 Agilent Support, Services, and Assistance User’s and Service Guide...

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