Keysight Technologies 85039B LO Manuel

Keysight 85039B LO/IF

Distribution Unit

User's and

Service Guide

Use this manual with the Keysight Antenna

Selection Guide, part number 5968-6759E.

Notices

Inc. 2008-2016

No part of this manual may be

reproduced in any form or by any

means (including electronic storage

and retrieval or translation into a

foreign language) without prior

agreement and written consent from

Keysight Technologies, Inc. as

governed by United States and

international copyright laws.

Trademark Acknowledgments

Manual Part Number

85309-90082

Edition

Edition 2, August 2016

Printed in USA/Malaysia

Published by:

Keysight Technologies

1400 Fountaingrove Parkway

Santa Rosa, CA 95403

Warranty

THE MATERIAL CONTAINED IN THIS

DOCUMENT IS PROVIDED “AS IS,”

AND IS SUBJECT TO BEING

CHANGED, WITHOUT NOTICE, IN

FUTURE EDITIONS. FURTHER, TO

THE MAXIMUM EXTENT PERMITTED

BY APPLICABLE LAW, KEYSIGHT

DISCLAIMS ALL WARRANTIES,

EITHER EXPRESS OR IMPLIED WITH

REGARD TO THIS MANUAL AND

ANY INFORMATION CONTAINED

HEREIN, INCLUDING BUT NOT

LIMITED TO THE IMPLIED

WARRANTIES OF

MERCHANTABILITY AND FITNESS

FOR A PARTICULAR PURPOSE.

KEYSIGHT SHALL NOT BE LIABLE

FOR ERRORS OR FOR INCIDENTAL

OR CONSEQUENTIAL DAMAGES IN

CONNECTION WITH THE

FURNISHING, USE, OR

PERFORMANCE OF THIS

DOCUMENT OR ANY INFORMATION

CONTAINED HEREIN. SHOULD

KEYSIGHT 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.

Technology Licenses

The hardware and/or software

described in this document are

furnished under a license and may be

used or copied only in accordance

with the terms of such license.

U.S. Government Rights

The Software is “commercial

computer software,” as defined

by Federal Acquisition Regulation

(“FAR”) 2.101. Pursuant to FAR

12.212 and 27.405-3 and

Department of Defense FAR

Supplement (“DFARS”) 227.7202,

the U.S. government acquires

commercial computer software

under the same terms by which

the software is customarily

provided to the public.

Accordingly, Keysight provides

the Software to U.S. government

customers under its standard

commercial license, which is

embodied in its End User License

Agreement (EULA), a copy of

which can be found at

http://www.keysight.com/find/sweula

The license set forth in the EULA

represents the exclusive authority

by which the U.S. government

may use, modify, distribute, or

disclose the Software. The EULA

and the license set forth therein,

does not require or permit,

among other things, that

Keysight: (1) Furnish technical

information related to

commercial computer software

or commercial computer

software documentation that is

not customarily provided to the

public; or (2) Relinquish to, or

otherwise provide, the

government rights in excess of

these rights customarily provided

to the public to use, modify,

reproduce, release, perform,

display, or disclose commercial

computer software or

commercial computer software

documentation. No additional

government requirements

beyond those set forth in the

EULA shall apply, except to the

extent that those terms, rights, or

licenses are explicitly required

from all providers of commercial

computer software pursuant to

the FAR and the DFARS and are

set forth specifically in writing

elsewhere in the EULA. Keysight

shall be under no obligation to

update, revise or otherwise

modify the Software. With

respect to any technical data as

defined by FAR 2.101, pursuant

to FAR 12.211 and 27.404.2 and

DFARS 227.7102, the U.S.

government acquires no greater

than Limited Rights as defined in

FAR 27.401 or DFAR 227.7103-5

(c), as applicable in any technical

data.

Safety Notices

A CAUTION notice denotes a hazard. It

calls attention to an operating

procedure, practice, or the like that,

if not correctly performed or adhered

to, could result in damage to the

product or loss of important data. Do

not proceed beyond a CAUTION

notice until the indicated conditions

are fully understood and met.

A WARNING notice denotes a hazard.

It calls attention to an operating

procedure, practice, or the like that,

if not correctly performed or adhered

to, could result in personal injury or

death. Do not proceed beyond a

WARNING notice until the indicated

conditions are fully understood and

met.

Keysight 85309B User’s and Service Guide -iii

Printing Copies of Documentation from the Web

To print copies of documentation from the Web, download the PDF file from

the Keysight web site:

—Go to http://www.keysight.com.

— Enter the product model number (Ex: 85309B) in the Search function.

—Click Search.

— Click the Manuals hyperlink.

— Click the hyperlink title for the document you want to print - this downloads

the PDF

— Print the document after the PDF has fully downloaded.

Definitions

— Specifications describe the performance of parameters covered by the

product warranty (temperature –0 to 50 °C, unless otherwise noted.)

— Typical describes additional product performance information that is not

covered by the product warranty. It is performance beyond specification

that 80% of the units exhibit with a 95% confidence level over the

temperature range 20 to 30 °C. Typical performance does not include

measurement uncertainty.

— Nominal values indicate expected performance or describe product

performance that is useful in the application of the product, but is not

covered by the product warranty.

— Characteristic Performance describes performance parameter that the

product is expected to meet before it leaves the factory, but is not verified in

the field and is not covered by the product warranty. A characteristic

includes the same guard bands as a specification.

85309B Overview

The 85309B LO/IF Distribution Unit is a broadband, distributed frequency

converter that utilizes fundamental mixing to provide the performance for

antenna test systems. The 85309B, together with mixers in the antenna test

configuration (not supplied), down convert a microwave signal to an IF signal.

This IF signal is input directly to the PNA digitizer (via either front panel

jumpers or a rear panel connector), bypassing the PNA’s RF conversion stage,

for increased measurement sensitivity.

The 85309B LO/IF Distribution Unit contains LO signal amplifiers, which

amplify LO drive power through RF cables to the mixers in the antenna test

configuration. The high output power allows the mixers to be located more

-iv Keysight 85309B User’s and Service Guide

than seven meters from the 85309B. There are also IF amplifiers located in the

85309B, which serve as a preamplifier for the receiver, reducing the overall

system noise figure significantly.

The 85309B LO/IF Distribution Unit can be installed in a variety of

configurations for antenna testing. To learn about the various system

configurations, refer to the “Configuration Examples” section in Chapter 1 of

this document, and the online document Keysight Antenna Test Selection

Guide, part number 5968-6759E. See “Printing Copies of Documentation from

the Web” on the previous page.

85309B Options

85309B Standard

Provides one test channel and one reference channel.

85309B Option 001 - One Additional Test Channel

Adds one additional test channel. Provides a total of two test channels and one

reference channel.

85309B Option 002 - Two Additional Test Channels

Adds two additional test channels. Provides a total of three test channels and

one reference channel.

85309B Option 400 - Low and High Frequency Bands, One Test

Channel

0.1 – 1 GHz low frequency band; 0.3 – 18 GHz high frequency band. Provides a

total of one test channel and one reference channel.

85309B Option 401 - Low and High Frequency Bands, Two Test

Channels

0.1 – 1 GHz low frequency band; 0.3 – 18 GHz high frequency band. Adds one

additional test channel. Provides a total of two test channels and one reference

channel.

85309B Option 402 - Low and High Frequency Bands, Three Test

Channels

0.1 – 1 GHz low frequency band; 0.3 – 18 GHz high frequency band. Adds two

additional test channels. Provides a total of three test channels and one

reference channel.

Option 1CM - Rack Mount Kit Without Handles

Rack mount kit without handles. To obtain this item after receiving the 85309B,

order part number 5063-9214.

Keysight 85309B User’s and Service Guide -v

Option 1CP - Rack Mount Kit With Handles

Rack mount kit with handles. To obtain this item after receiving the 85309B,

order part number 5063-9221.

-vi Keysight 85309B User’s and Service Guide

Contents

Keysight N5241A/42A/49A Service Guide 1

Table of Contents

1. Getting Started

STEP 1. Check the Shipment. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1

STEP 2. Meet Electrical and Environmental Requirements . . . . . . . . . . . . . . . . . . . . . . . . . 2-1

Step 3. Connect the 85309B with Other System Components. . . . . . . . . . . . . . . . . . . . . . . 2-2

Compatible Network Analyzers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2

Configuration Examples . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3

Step 4. (Option 40x Only): Set the 85309B Band Selection . . . . . . . . . . . . . . . . . . . . . . . . . 2-6

Step 5: Power On the 85309B . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6

Step 6. Adjust the LO Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-7

Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-7

STEP 7. (Optional) Run the 85309B Operator’s Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-8

Getting Help with Your 85309B . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-9

Keysight Antenna Test Selection Guide. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-9

Contacting Keysight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-9

Shipping Your Instrument to Keysight for Service or Repair. . . . . . . . . . . . . . . . . . . . . . 2-9

2. Operating Information

Electrostatic Discharge Protection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1

85309B Front Panel Features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3

DETECTOR VOLTAGE Display. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3

LO POWER ADJUST. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3

LO POWER OUT OF RANGE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4

BAND SELECTION (Option 40x Only). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4

85309B Rear Panel Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-6

Ref Mixer Connector Group . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-6

Test Mixers Connector Group . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-7

LO Source Connector Group . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-7

Receiver Connector Group. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-8

Available Fuses. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-9

85309B Block Diagrams. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-10

Instrument Block Diagrams Sheet 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-11

Instrument Block Diagrams Sheet 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-11

Cable Length Limits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-13

Performing the Operator’s Check. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-16

Function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-16

Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-16

Equipment Required. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-17

LO Power Output Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-17

2 Keysight N5241A/42A/49A Service Guide

Contents

Reference IF and Test IF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-22

IF the Operator’s Check Fails . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-25

3. General Information

General Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1

85309B Characteristic Performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3

General Safety Considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5

Cleaning the Instrument . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5

Connector Care and Cleaning. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5

Declaration of Conformity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5

Statement of Compliance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6

General Safety Considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6

Regulatory Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-9

Instrument Markings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-9

4. Service

Replaceable Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1

Ordering Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1

Replaceable Parts Listings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2

Keysight 85309B

LO/IF Distribution Unit

User’s and Service Guide

1 Getting Started

STEP 1. Check the Shipment

1. Unpack the contents of the shipping container. Keep the packaging

material in case the analyzer needs to be returned to the factory.

2. Carefully inspect the 85309B to make sure that it was not damaged during

shipment. If damaged, refer to “Contacting Keysight” on page 9.

3. Use the Contents List in the shipping container to verify the completeness

of your shipment. If not complete, refer to “Contacting Keysight” on

page 9.

STEP 2. Meet Electrical and Environmental Requirements

1. Ensure the available AC power source meets the requirements found in

“General Specifications” on page 1.

2. Ensure the operating environment meets the requirements found in

“General Specifications” on page 1.

3. Verify that the AC power cable is not damaged, and that the power-source

outlet provides a protective earth contact.

4. Plug the unit into an appropriate AC power source.

This instrument has autoranging line voltage input. Be sure the supply

voltage is within the specified range.

Always use the three-prong AC power cord supplied with this product.

Failure to ensure adequate earth grounding by not using this cord may

cause personal injury or product damage.

1-2 Keysight 85309B User’s and Service Guide

Getting Started

Step 3. Connect the 85309B with Other System Components

Your antenna test system configuration includes the 85309B and a PNA

network analyzer. The need for other components is determined by the type of

measurements required.

To learn about the various system configurations, refer to the Keysight Antenna

Test Selection Guide, part number 5968-6759E. See “Printing Copies of

Documentation from the Web” in the first section of this manual.

Compatible Network Analyzers

The following network analyzers are compatible with the 85309B.

The 85309B should be turned off when connecting it with other system

components.

Family Receiver Firmware Required Options

PNA E836xC All revisions H11

N522xA All revisions 020

PNA-X N524xA All revisions 020

N5264A All revisions None

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