Keysight Technologies N5242AS Option H85 User's And Service Manual
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Keysight Technologies N5242AS Option H85 User's And Service Manual

Keysight Technologies N5242AS Option H85 User's And Service Manual

Pna-x series high power configurable test sets
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Notice: This document contains references to Agilent.
Please note that Agilent's Test and Measurement business
has become Keysight Technologies. For more information,
go to www.keysight.com.
Keysight Technologies
N5241/42AS Option H85
User's and Service Guide
N5241AS and N5242AS
PNA-X Series High Power
Configurable Test Sets

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  • Page 1  User’s and Service Guide Notice: This document contains references to Agilent. Please note that Agilent’s Test and Measurement business has become Keysight Technologies. For more information, go to www.keysight.com. N5241AS and N5242AS PNA-X Series High Power Configurable Test Sets...

  • Page 2: Safety Notices

    Notices   Technology Licenses Warranty © Keysight Technologies, Inc. The hard ware and/or software THE MATERIAL CONTAINED IN THIS 2009-2014 described in this document are DOCUMENT IS PROVIDED “AS IS,” AND IS SUBJECT TO BEING CHANGED, WITHOUT furnished under a license and may be No part of this manual may be NOTICE, IN FUTURE EDITIONS.

  • Page 3: Table Of Contents

    Table of Contents N5241/42AS Option H85 Introduction ..............2 Verifying the Shipment .
  • Page 4 Table of Contents Contents-2...

  • Page 5: N5241/42As Option H85

    N5241/42AS Option H85 User’s and Service Guide N5242-90019...

  • Page 6: Introduction

    If there is physical damage refer to “Contacting Keysight” on page 48. Keep the damaged shipping materials (if any) for inspection by the carrier and an Keysight Technologies representative. User’s and Service Guide N5242-90019...

  • Page 7: Description

    N5241/42AS Option H85 Description Description The Keysight N5241/42AS Option H85 is a modified version of the standard N5241/42A PNA-X Series Network Analyzer. Option H85 is designed to permit insertion of high power amplifiers, and other signal conditioning equipment to allow high power network measurements at RF levels up to 20 Watts (+43 dBm) from 10 MHz to 26.5 GHz.

  • Page 8: What You Need To Know About Your N524Xas Pna-X

    N5241/42AS Option H85 What you need to Know About Your N524xAS PNA-X What you need to Know About Your N524xAS PNA-X Your N524xAS PNA-X network analyzer was setup as an ordering convenience to respond to customer application and test needs requiring modification or enchantment to the standard N524xA PNA-X.

  • Page 9: N5241/42A Option H85 Shipped Configuration

    N5241/42AS Option H85 What you need to Know About Your N524xAS PNA-X N5241/42A Option H85 Shipped Configuration  (about network anal yzer option fields) Figure 2 About Network Analyzer 2-Port Configuration Shown in PNA-X Option Fields: • 200 26.5 GHz 2-Ports base configuration •...

  • Page 10: Operation

    N5241/42AS Option H85 Operation Operation The Keysight Option H85 can be configured differently for many applications. Included in this manual are five typical configurations: • Figure 12, “2-Port Two Way High Power Configuration.” • Figure 14, “4-Port Four Way High Power Configuration.” •...
  • Page 11 N5241/42AS Option H85 Operation Figure 3 N5241/42AS Option 200 and H85 2-Port RF Block Diagram Source 1 OUT 2 OUT 1 35 dB 35 dB 65 dB 65 dB Test Port 1 Test Port 2 Figure 4 N5241/42AS Option 200, 224 and H85 2-Port RF Block Diagram Source 2 Source 2 OUT 1...
  • Page 12 N5241/42AS Option H85 Operation Figure 5 N5241/42AS Option 200, 224, 029 and H85 2-Port RF Block Diagram +28 V Source 2 Source 2 Noise Receivers OUT 1 OUT 2 To Receivers To Receivers Source 1 Source 1 Pulse Pulse Pulse 3 to 10 MHz to Modulator...
  • Page 13 N5241/42AS Option H85 Operation Figure 7 N5241/42AS Option 400, 423 and H85 4-Port RF Block Diagram Source 2 (standard) Source 1 OUT 1 OUT 2 Pulse Generators Pulse Generators OUT 1 OUT 2 Pulse Pulse To Receivers To Receivers Modulator Modulator Pulse Pulse...
  • Page 14 N5241/42AS Option H85 Operation Figure 9 Standard 2-Port Front Panel Figure 10 2-Port Front Panel with Internal Second Source User’s and Service Guide N5242-90019...
  • Page 15 N5241/42AS Option H85 Operation Figure 11 Standard 4-Port Front Panel User’s and Service Guide N5242-90019...
  • Page 16 N5241/42AS Option H85 Operation Ports 1 and 2 are configured to allow the user to stimulate each port with high power. Each port must have a high power amplifier and high power coupler. The isolators, reference and measured receiver attenuators are optional. They are dependent on the high power couplers coupling factor, amplifiers reverse isolation and power required to test the device.
  • Page 17 N5241/42AS Option H85 Operation Figure 13 2-Port Two Way High Power Block Diagram User’s and Service Guide N5242-90019...
  • Page 18 N5241/42AS Option H85 Operation This configuration is similar to the 2-Port Two Way Configuration with the exception that Ports 1, 2, 3 and 4 are configured to allow the user to stimulate each port with high power. Each port must have a high power amplifier, high power coupler, isolator and attenuators. The isolators, reference and measured receiver attenuators are optional.
  • Page 19 N5241/42AS Option H85 Operation Figure 15 4-Port Four Way High Power Block Diagram User’s and Service Guide N5242-90019...
  • Page 20 N5241/42AS Option H85 Operation This configuration allows the user to stimulate Port 1 with high power. Port 1 must have a high power amplifier, high power coupler, isolator and attenuators. The isolator, reference and measured receiver attenuators are optional. They are dependent on the high power couplers coupling factor, amplifiers reverse isolation and power required to test the device.
  • Page 21 N5241/42AS Option H85 Operation Figure 17 2-Port One Way High Power Block Diagram User’s and Service Guide N5242-90019...
  • Page 22 N5241/42AS Option H85 Operation This configuration allows the user to stimulate Port 1 with high power. Port 1 must have a high power amplifier, high power coupler, isolator and attenuators. The isolator, reference and measured receiver attenuators are optional. They are dependent on the high power couplers coupling factor, amplifiers reverse isolation and power required to test the device.
  • Page 23 N5241/42AS Option H85 Operation Figure 19 4-Port One Way High Power Block Diagram User’s and Service Guide N5242-90019...
  • Page 24 N5241/42AS Option H85 Operation In this configuration the DUT supplies the power. The measure receiver attenuator for  B IN may have sufficient range to compensate for the users desired power level. Port 2 has a high power isolator located between the SOURCE OUT and CPLR THRU. This isolator is required to protect the components inside the PNA-X.
  • Page 25 N5241/42AS Option H85 Operation Figure 21 2-Port Forward DUT Block Diagram User’s and Service Guide N5242-90019...

  • Page 26: Specifications: Front Panel Jumpers And Test Ports

    N5241/42AS Option H85 Specifications: Front Panel Jumpers and Test Ports Specifications: Front Panel Jumpers and Test Ports Specifications for Option H85 are the same as the standard PNA-X with Option 219 or 419. The following specifications are available from the PNA-X Data Sheet on our web site at http://www.keysight.com/find/pna •...
  • Page 27 N5241/42AS Option H85 Specifications: Front Panel Jumpers and Test Ports Refer to your PNA-X specifications to optimize the power levels in the receivers. NOTE The following tables specify the receiver damage levels for the N5241/42AS Option H85. Table 1 Damage Power Levels Measurement Receiver Inputs: RCVR A IN through RCVR D IN @ 0.1 dB Typical Compression Damage Level...
  • Page 28 N5241/42AS Option H85 Specifications: Front Panel Jumpers and Test Ports Table 1 Damage Power Levels Coupler Outputs: Port 1 CPLR ARM through Port 4 @ Max Specified Output Power Damage Input Level +30 dBm Maximum DC Level ± 7 V Test Port Inputs: Test Port 1 through Port 4 @ Max Specified Output Power Damage Level...
  • Page 29 N5241/42AS Option H85 Specifications: Front Panel Jumpers and Test Ports Table 3 Frequency Band-Crossings User’s and Service Guide N5242-90019...

  • Page 30: Example: Making High Power Measurements With Option H85

    N5241/42AS Option H85 Example: Making High Power Measurements with Option H85 Example: Making High Power Measurements with Option H85 This section describes how to set up the analyzer to perform high power measurements. Analyzers equipped with the Option H85 can be configured to measure high power devices. This ability is useful if the required power for the device under test is greater than the analyzer can provide, or if the maximum output power from an amplifier under test exceeds safe input limits for a standard analyzer.

  • Page 31: Initial Setup

    N5241/42AS Option H85 Example: Making High Power Measurements with Option H85 Initial Setup 1. If the analyzer is in the standard mode configuration remove the jumper between Port 1 SOURCE OUT and CPLR THRU connector on the front panel. This can also be done for Port 2 if high power measurements are necessary for the reverse parameters of a device under test (DUT).

  • Page 32: Determining Power Levels

    N5241/42AS Option H85 Example: Making High Power Measurements with Option H85 Determining Power Levels For all high power configurations refer to Table 1 on page 23 for maximum input NOTE damage levels, and PNA-X specifications to optimize the power levels on the receivers.
  • Page 33 N5241/42AS Option H85 Example: Making High Power Measurements with Option H85 To find the User Preset: 2. In the Utility drop-down menu select User Preset. Select User Preset Enable > Save current state as User Preset and select OK. See Figure Figure 25 User Preset...
  • Page 34 N5241/42AS Option H85 Example: Making High Power Measurements with Option H85 4. Turn On the booster amplifier. 5. Measure the output power from the coupled arm and the open port “Coupler Output” of the coupler, using a power meter and sensor. Depending on the power used, additional attenuation may have to be added NOTE between the coupler and the power meter.

  • Page 35: Additional Setup

    N5241/42AS Option H85 Example: Making High Power Measurements with Option H85 Add itional Setup 9. Turn Off the booster amplifier. 10.Connect the open port of the 20 dB coupler to the Port 1 CPLR THRU connector on the front panel. This can also be done on Port 2 if reverse parameters high power measurements are required.

  • Page 36: Selecting Power Ranges And Attenuator Settings

    N5241/42AS Option H85 Example: Making High Power Measurements with Option H85 Selecting Power Ranges and Attenuator Settings 12.Select a power range that will not exceed the maximum estimated power level, but will force the DUT into compression. For example; if your booster amplifier has a gain of +15 dB, the DUT will compress if supplied with +15 dBm.
  • Page 37 N5241/42AS Option H85 Example: Making High Power Measurements with Option H85 14.Estimate the maximum amount of gain that could be provided by the DUT, and as a result, the maximum amount of power that could be received by Test Port 2 when the DUT is in compression.
  • Page 38 N5241/42AS Option H85 Example: Making High Power Measurements with Option H85 15.Calculate the amount of attenuation needed between the analyzer's coupler and receivers, so that you do not exceed the optimum receiver power level of –12 dBm. It will be necessary to take the following into consideration: •...
  • Page 39 N5241/42AS Option H85 Example: Making High Power Measurements with Option H85 17.Turn On the booster amplifier. From this point forward, do not press Preset unless you have turned off the CAUTION booster amplifier(s), or have renamed and saved this state as User Preset. Pressing Preset will return the analyzer to its default power level and default internal attenuator settings.
  • Page 40 N5241/42AS Option H85 Example: Making High Power Measurements with Option H85 19. In the dialog box, select Port 1 Reference Mixer Switch > External and select OK to activate the R1 Input path. Figure 32 Port 1 Mixer Switch 20.Measure the output power at Test Port 1, using a power meter. Verify the power measurement.

  • Page 41: Final Setup

    N5241/42AS Option H85 Example: Making High Power Measurements with Option H85 Final Setup 21.Verify that all of the power and attenuator settings are correct. 22.In the Response drop-down menu select Measure > S21. Figure 33 Response Menu 23.To Perform a response calibration following steps a, b, c and d: a.
  • Page 42 N5241/42AS Option H85 Example: Making High Power Measurements with Option H85 c. Select Response > Next. Figure 35 Response d. Select THRU > Next. Follow the analyzers window prompts to finish calibration. Figure 36 Thru User’s and Service Guide N5242-90019...
  • Page 43 N5241/42AS Option H85 Example: Making High Power Measurements with Option H85 24.Configure the test setup as shown in Figure 37. Turn On the DUT and measure the S21 gain of the amplifier under test to confirm the proper operation of the measurement test setup. Figure 37 Forward High Power Measurement Configuration RCVR A IN...

  • Page 44: Specifications

    Replacement parts and procedures are listed “Replaceable Parts” on page The Keysight Technologies PNA-X Series Microwave Network Analyzers N5241/42A will display Options H85. Firmware Revision A.07.50.20 or higher must be used for this option. Service software is available for servicing the N5241/42A at local service centers.

  • Page 45: Replaceable Parts

    N5241/42AS Option H85 Replaceable Parts Replaceable Parts Special options are built to order, so long lead times may be encountered when NOTE ordering replacement parts. Reference Keysight PNA-X Description Designator Part Number Add: RF Cable: Port 1 CPLR THRU to A29 Test N5241/42A-200 N5242-20111 Port 1 Coupler...
  • Page 46 N5241/42AS Option H85 Replaceable Parts Reference Keysight PNA-X Description Designator Part Number RF Cable: Port 4 CPLR THRU to A40 Test N5241/42A-419 N5242-20027 Port 4 Bias-Tee RF Cable: A40 Test Port 4 Bias-Tee to A31 N5241/42A-419 N5242-20024 Test Port 4 Coupler RF Cable: Port 1 CPLR THRU to A29 Test N5241/42A-200/029 N5242-20111...

  • Page 47: Safety And Information

    Declaration of Conformity A copy of the Declaration of Conformity is available upon request, or a copy is available on the Keysight Technologies web site at http://regulations.corporate.keysight.com/DoC/search.htm Statement of Compliance This product has been designed and tested in accordance with accepted industry standards, and has been supplied in a safe condition.

  • Page 48: Before Applying Power

    N5241/42AS Option H85 Safety and Information Before Applying Power Verify that the premises electrical supply is within the range of the instrument. The instrument has an autoranging power supply. If this prod uct is not used as specified, the protection provided by the equipment WARNING could be impaired.

  • Page 49: Connector Care And Cleaning Precautions

    N5241/42AS Option H85 Safety and Information Danger of explosion if battery is incorrectly replaced. Replace only with the WARNING same or equivalent type recommended. Discard used batteries accord ing to manufacturer’s instructions. For continued protection against fire hazard replace line fuse only with same WARNING type and rating.

  • Page 50: Regulatory Information

    N5241/42AS Option H85 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. The AC symbol indicates the required nature of the line module input power.

  • Page 51: Battery Collection

    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 Keysight Technologies for disposal. Refer “Contacting Keysight” on page 48 for assistance.

  • Page 52: Keysight Support, Services, And Assistance

    Keysight for repair. If you wish to send your instrument to Keysight 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.

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