Agilent Technologies 85097B Manuale utente

Reference Guide

Agilent Technologies

85097B VNA Interface Kit

for Electronic Calibration

Manufacturing Part Number: 85091-90010

Printed in USA

Print Date: March 2003

Supersedes: October 2001

Documentation 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, AGILENT 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.

AGILENT 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 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.

Assistance

Product maintenance agreements and other customer assistance agreements are available

for Agilent products.

For any assistance, contact the nearest Agilent Technologies sales or service office. Refer to

Table 2-1 on page 2-4 for a list of Agilent offices.

Contents

Contents-i

1. General Information

VNA Interface Kit Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-2

Option 100 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-2

Compatible Network Analyzers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-2

VNA Interface Kit Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-3

Description of the VNA Interface Kit Contents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-4

VNA Interface Kit Setup and Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-6

Setup Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-6

VNA Interface Kit Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-8

Environmental Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-8

Electrical and Mechanical Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-9

Electrostatic Discharge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-10

2. Troubleshooting

General Information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-2

Returning a VNA Interface Kit to Agilent. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-2

Contacting Agilent . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-4

3. Safety and Regulatory Information

Safety Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-2

Before Applying Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-2

Instrument Markings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-3

Safety Earth Ground . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-3

Regulatory Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-4

Compliance Notices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-4

Contents-ii

Contents

1-1

1General Information

1-2 Chapter 1

General Information

VNA Interface Kit Overview

This manual provides reference information for the Agilent 85097B vector network

analyzer (VNA) interface kit for electronic calibration (ECal).

The VNA interface kit is part of the VNA-based ECal system. The interface kit provides

the hardware to connect and allow data transfer between ECal modules and compatible

network analyzers. See Table 1-1 below.

ECal modules are precision, single-connection devices that provide consistent calibrations

for your network analyzer. ECal uses fully traceable and verifiable electronic standards.

The interface kit does not include the ECal modules, but they can be ordered separately.

For ordering information, see “Contacting Agilent” on page 2-4.

NOTE

For more information about ECal modules, refer to the Electronic Calibration

Module Reference Guide (included with the VNA interface kit).

Option 100

Adds an adapter cable that allows the interface kit to connect to N469x (microwave) ECal

modules. The Option 100 adapter cable can also be ordered separately.

Compatible Network Analyzers

Refer to Table 1-1 for network analyzers and ECal modules compatible with the 85097B

VNA interface kit. The network analyzer must have the appropriate firmware revision

installed to operate with the ECal models shown.

NOTE

PNA network analyzers are not compatible with the 85097B VNA interface

kit. PNA analyzers allow direct connection of the ECal modules through a

USB connector interface. Refer to the PNA analyzer on-line help system for

more details.

Table 1-1 Supported Network Analyzers and ECal Models

Network Analyzer ECal Model Firmware Revision

8753ES/ET

8719D/ES/ET

8720D/ES/ET

8722D/ES/ET

8509xB/C

7.68 or higher

8506x

N4431Aa

a. Ports A and B only

N469x 7.74 or higher

Chapter 1 1-3

General Information

VNA Interface Kit Contents

The following table and illustration identify the contents of the 85097B VNA interface kit.

Figure 1-1 85097B Kit Contents

Table 1-2 Contents of the VNA Interface Kit

Description Quantity Part Number

Interface Unit 1 85097-60002

Shielded Cable, DB25 to DB25 3 8120-8710

Adapter Cable, DB25 to AMP Champ (Option 100) 1 8120-1047

Power Supply 1 0950-3331

VNA Interface Kit Reference Guide (this manual) 1 85091-90010

Electronic Calibration Module Reference Guide 1 N4693-90001

1-4 Chapter 1

General Information

VNA Interface Kit Contents

Description of the VNA Interface Kit Contents

This section describes the contents of the 85097B VNA interface kit. Refer to Figure 1-3 on

page 1-7 for a system setup diagram using the kit contents.

NOTE

ECal modules are not included in the 85097B VNA interface kit, but are

ordered separately. Refer to the Electronic Calibration Module Reference

Guide (part number N4693-90001) for information on the types and

specifications of ECal modules.

Interface Unit

The interface unit (shown in Figure 1-1) functions as the digital interface and power source

for ECal modules. The interface can connect to one or two ECal modules. Power is

automatically turned off when an ECal module is disconnected.

NOTE

If you are using an 8506xA microwave module with a serial number below

800, a jumper must be installed in the module to make it compatible with the

interface unit. Contact Agilent for information about returning your module

for this modification. Contact information can be found in Table 2-1 on

page 2-4.

Shielded Cables, DB25 to DB25

The shielded cables (shown in Figure 1-1) are male to male RS-232 cables. Three shielded

cables are included in the kit. The cables connect between the VNA and the interface unit

and between the interface unit and one or two ECal modules (except N469x series). The

length of each shielded cable is 1.8 m.

Adapter Cable, DB25 to AMP Champ (Option 100)

The adapter cable (shown in Figure 1-1) is configured with a DB25 to AMP Champ (36-pin)

connector. The adapter cable connects N469x (microwave) ECal modules to the interface

unit. The adapter cable (part no. 8121-1047) can be ordered separately or by adding

Option 100 to the interface kit. The length of the adapter cable is 1.0 m.

CAUTION

Use only the interface cables supplied with this kit. Other cables may cause

the system to fail EMC specifications.

Chapter 1 1-5

General Information

VNA Interface Kit Contents

ECal Power Supply Unit

The ECal power supply unit (shown in Figure 1-1) provides 24 Vdc to the interface unit

and power to the ECal modules through the interface unit.

WARNING

To prevent electrical shock, disconnect from mains before cleaning.

Use a dry cloth or one slightly dampened with water to clean the

external case parts. Do not attempt to clean internally.

CAUTION

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

to insure adequate earth grounding by not using this cord may cause product

damage.

WARNING

The detachable power cord is the instrument disconnecting device.

It disconnects the mains circuits from the mains supply before other

parts of the instrument.

1-6 Chapter 1

General Information

VNA Interface Kit Setup and Operation

The VNA-based ECal system requires the following components:

• VNA (with appropriate firmware revision) — functions as the ECal system controller

• ECal module — acts as the calibration device for the ECal system

• VNA Interface kit — provides an interface between the ECal module and the VNA

Setup Procedure

Refer to the graphics on the following page for all connections.

CAUTION

Exercise the necessary ESD precautions before connecting the devices. Refer

to “Electrostatic Discharge” on page 1-10.

Connect Interface Unit to VNA (DB25 to DB25 Cable)

1. Connect one end of the DB25 to DB25 cable to the connector on the interface unit

lableled “DB25 Interface to Parallel Interface on Network Analyzer.”

2. Connect the other end of the DB25 to DB25 cable to the connector on the rear panel of

the VNA lableled “Parallel Port”.

CAUTION

Connecting the interface cable to an unspecified connector on the VNA will

cause damage.

Connect RF Module to Interface Unit (DB25 to DB25 Cable)

1. Connect one end of the DB25 to DB25 cable to the parallel port on the ECal module.

2. Connect the other end of the DB25 to DB25 cable to the connector on the interface unit

labeled “DB25 Interface to ECal Module A” or “DB25 Interface to ECal Module B”.

Connect Microwave Module to Interface Unit (DB25 to AMP Champ Cable)

1. Connect the AMP Champ end of the adapter cable to the parallel port on the ECal

module. Press the tabs on the connector housing to engage the connector.

2. Connect the DB25 end of the adapter cable to the connector on the interface unit labeled

“DB25 Interface to ECal Module A” or “DB25 Interface to ECal Module B”.

Connect Interface Unit to Power Supply

1. Connect the interface power supply to the interface unit and then connect to AC power.

2. Allow the ECal module to warm up for 15 minutes (20 minutes for a four-port module)

or until the module indicates READY.

3. ECal module is ready to perform a calibration. Press the Cal button on the VNA to

access the calibration types available with ECal.

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