Keysight 85331B Operating And Service Manual
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Keysight 85331B Operating And Service Manual

Solid state switch
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Keysight 85331B/85332B
Solid State Switch
Operating and
Service Guide

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Summary of Contents for Keysight 85331B

  • Page 1 Keysight 85331B/85332B Solid State Switch Operating and Service Guide...
  • Page 2 Conformity. understood and met. where in the EULA. Keysight shall be under no obligation to update, revise or otherwise modify the Software. With WARNING respect to any technical data as defined by FAR 2.101, pursuant to FAR...

  • Page 3: Waste Electrical And Electronic Equipment (Weee) Directive

    To return this unwanted instrument, contact your nearest Keysight Service Center, or visit http://about.keysight.com/en/companyinfo/environment/takeback.shtml for more information. Sales and Technical Support To contact Keysight for sales and technical support, refer to the support links on the following Keysight websites: – www.keysight.com/find/switches (product-specific information and support, software and documentation updates) –...
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  • Page 5: Table Of Contents

    ........22 Keysight 85331B/85332B Operating and Service Guide...
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  • Page 7: List Of Figures

    List of Figures Figure 1-1 85332B (left) and 85331B (right) solid state switches Figure 1-2 A typical multiple-channel, multiple-frequency system configuration ......13...
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  • Page 9: List Of Tables

    ..... .12 Table 2-1 Optional accessories for 85331B and 85332B solid state switches ........22...
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  • Page 11 Keysight 85331B/85332B Solid State Switch Operating and Service Guide Introduction General Information This chapter introduces the 85331B and 85332B solid state switches and gives a brief overview of the drive levels and switch operation logic.

  • Page 12: Introduction

    Introduction General Information Solid state switch overview The Keysight 85331B and 85332B are PIN diode based solid state switches which provide superior performance in terms of fast switching speed, high isolation, and broad operating frequency range. Figure 1-1 85332B (left) and 85331B (right) solid state switches Table 1-1 shows the two models of solid state switches available.
  • Page 13 AUT (Antenna under test) is illustrated in Figure 1-2. The 85331B and 85332B do not contain a switch control unit. If your system is NOTE configured with an 85330A multiple channel controller, the switch control unit must be ordered separately (Keysight part number 85331-60121).

  • Page 14: Drive Levels/Switch Operation Logic

    Only one port can be turn ON at a time, or all ports can be OFF. The total current NOTE is approximately 480 mA for 85332B and 240 mA for 85331B with all ports OFF. Keysight 85331B/85332B Operating and Service Guide...

  • Page 15: Figure 1-4 Bias Connector Pin Locations

    Pin 1 = Port 1 on/off bias Pin 2 = Port 2 on/off bias Pin 3 = Port 3 on/off bias (not connected for 85331B) Pin 4 = Port 4 on/off bias (not connected for 85331B) Pin 5 = Common/ground (0 VDC)
  • Page 16 Introduction THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK. Keysight 85331B/85332B Operating and Service Guide...
  • Page 17 Operating Guides Installation Operating Instruction Performance Tests Optional Accessories This chapter describes the installation procedures and operating instructions of the 85331B and 85332B solid state switches. The procedures for checking the electrical performance of the solid state switches are also provided.

  • Page 18: Operating Guides

    Keysight Technologies can provide packaging materials identical to the original materials. Refer to Service and Support information in the front matter of this manual for the Keysight Technologies nearest to you. Attach a tag indicating the type of service required, return address, model number and serial number.

  • Page 19: Operating Instruction

    The S21 (insertion loss) measurement is the best way to determine if the switch is faulty by applying the appropriate bias voltage to the bias connector. Figure 2-1 Connection to perform quick check Keysight 85331B/85332B Operating and Service Guide...
  • Page 20 3 If RF2 is connected to Port 2, apply -7 Vdc to Pin 2 of bias connector (Refer to Figure 2-1) and +6.3 Vdc to Pin 1. For 85332B, repeat the above steps until all four ports are tested. NOTE Keysight 85331B/85332B Operating and Service Guide...

  • Page 21: Performance Tests

    The solid state switches do not have internal adjustments and should not be opened. Repair The 85331B and 85332B solid state switches are not recommended for repair as most components are not easily removed. Maintenance The connectors, particularly the connector faces, must be kept clean.

  • Page 22: Optional Accessories

    Operating Guides Optional Accessories Table 2-1 lists the optional accessories for Keysight 85331B and 85332B solid state switches. Table 2-1 Optional accessories for 85331B and 85332B solid state switches Description Keysight part number Switch control cable - 1 meter 85331-60125...
  • Page 23 This information is subject to change without notice. Always refer to the English version at the Keysight website for the latest revision. © Keysight Technologies 2006 - 2019 Edition 5, March 7, 2019 Printed in Malaysia *85331-90001* 85331-90001...

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85332b

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