Keysight Technologies M9170A Manuale utente

Keysight Technologies

M9170A PXI Attenuator/Switch Driver

Demo Guide

The Keysight Technologies, Inc. M9170A is a one-slot PXI attenuator switch driver module that provides the flexibility

to drive Keysight’s expansive portfolio of RF and microwave step attenuators and electromechanical switches. It is a

PXI-hybrid compliant module that comes with a full-featured graphical interface soft front panel (SFP) for easy control

and trigger.

– Maximize PXI chassis slot utilization, which ultimately improves testing efficiency

– Ensure biasing compatibility with most switches on the market, increases system flexibility

– Select device models and the subsequent switch paths or attenuation levels

– Intuitive configuration for all Keysight switches and attenuators

This demonstration guide is intended for engineers who wish to learn about the capability and key features of the M9170A.

Therefore, it assumes you have basic knowledge of PXI standards and programming. This document provides an overview

of the M9170A, and guides you through a step-by-step measurement procedure to quickly configure a switch or attenuator

for a PXI system.

Demo Requirements

This guide contains demonstrations using the Keysight M9170A. One or more switches and attenuators are required to

fully demonstrate this product. The M9170A works with most switches and attenuators available in the market today;

Keysight switches and attenuators are recommended.

There are two sections described below for this demonstration procedure:

a. Mock-up SFP (simulation mode)

b. Demo setup with PXI chassis

M9170A can drive multiple switches and attenuators with the point-to-point interconnect

Introduction

A. Mock-up SFP

This mock-up SFP works only in simulation mode. This means that the mock-up SFP will not be able to control/drive the

actual switch and attenuator hardware.

1. Install the Keysight IO Libraries Suite www.keysight.com/find/iosuite (required for the M9170A).

2. Download the master installer.

i. To download the master installer, go to www.keysight.com/find/pxidriver

ii. Click on Visit Technical Support at the top section of the page

iii. Click on Drivers, Firmware & Software tab.

iv. Click on M9170A PXI Attenuator/Switch Driver Instrument Drivers and then click on the Download icon on the

next page.

v. Run the modular_M9170A_1_0_0.exe file and click Install M9170A Software

vi. Additional resources are available on this page.

3. Click on Install M9170A Software button to install the SFP

4. Once M9170A is installed, you can launch the SFP following the steps below:

Start → All Programs → Keysight → M9170 → M9170 SFP

Learn more about SFP in Appendix 1.

B. Demo setup with PXI chassis

Equipment requirements

– M9170A PXI attenuator/switch driver module

– Demo kit M9170A

– M9018A PXIe chassis is recommended

– You can choose remote controller or embedded controller

i. Remote controller

– If using a remote controller, install the cable interface and then power up the host PC.

The Keysight M9021A cable interface is recommended for the M9018A chassis; refer to Keysight M9021A Gen 2, x8 PCIe

Cable Interface Module Installation M9021-90001 for further details. It’s provides a cabled PCIe link between the M9018A

chassis and an external host computer.

ii. Embedded controller

– If you are using an embedded controller, complete the following steps:

i. Install the embedded controller module into the M9018A PXIe chassis. Refer to the

Keysight M9018A data sheet 5990-6583EN for further details.

ii. Connect peripherals (mouse, keyboard, and monitor)

iii. Power up the chassis

Refer to the M9170A configuration guide 5991-0052EN to choose switches and attenuators that are compatible with the

M9170A module.

Example: 87104B (Option 161) match with assembly cable M9170-601.

M9170A Module Installation

Install the M9170A PXI module into the PXI chassis (one slot). Figure 2 block diagram shows cable connections

for the M9170A demo.

1. Make sure the chassis power switch is in the Off (Standby) position and unplug the PXI chassis.

2. Holding the module by the injector/ejector handle, slide it into an available PXI (or hybrid) slot, as shown in

the figure below.

3. Latch the module by pulling up on the injector/ejector handle

4. Connect the System Interface Card in the chassis to host PC (make sure the PC is turned OFF)

5. Plug in and power up the PXI chassis

6. Power up the host PC

7. Connect assembly cable M9170A-601 to 87104B-161 (same method applies to attenuator)

8. Launch the SFP

– Install the module into the PXI slot of the chassis by

placing the module card edges into the front module

guides (top and bottom).

– Slide the module to the rear of the chassis and assure

that the injector/ejector handle is pushed down in the

unlatched (downward) position.

– Slide the module completely into the chassis. When you

begin to feel resistance, push up on the injector/ejector

handle to fully inject the module into the chassis.

Figure 1. Slot into chasis

Figure 2. Remote controller connection

Figure 3. Embedded controller connection

NOTE: The laptop or embedded controller has been pre-installed with all the software and configurations required to run

this demonstration.

Figure 4. Click the Switch or Attenuator button and select a device model

Figure 5. Click on the port according to the desired switching path 87104x

The demo equipment must be turned on between the computer and the instrument. The connection should be properly

established. Bank 1 and Bank 2 provide two independent banks of switch and attenuator drive outputs. Click the Switch

or Attenuator button and select a device model from the drop-down list.

Starting the Demo

1. If you select switch model 87104x, you can turn on or off the switches by clicking their respective port buttons.

Below is an example:

– Bank 1 with switch 87104x selected

– Supply Voltage at 24 V

– Drive Mode is pulsed

Click on the port according to desired switching path and measure the input and output RF port of that path.

2. If you select switch model 87222x, you can turn on or off the switches by clicking their respective port buttons.

Below is an example:

– Bank 1 with switch 87222x selected

– Supply Voltage at 24 V

– Drive Mode is continuous

Click on the port according to the desired switching path and measure the input and output RF port of that path.

3. Users can use both Bank 1 and Bank 2 for their applications; Select a switch model from the drop down menu.

Below is an example:

– Bank 1 with switch 87106x selected, Bank 2 with switch N1810x selected

– Supply Voltage at 24 V

– Drive Mode is pulsed

Figure 6. Click on the port according to the desired switching path 87222C

Figure 7. Click on the port according to the desired switching path

Click on the port according to the desired switching path and measure the input and output RF port of that path.

4. If you select an attenuator model, you can select the attenuation level by clicking the respective level buttons.

The selected level will be displayed in the Total Atten (dB) field. Below is an example:

– Bank 1 with attenuator 8495G selected

– Supply Voltage at 24 V

– Drive Mode is Continuous

– The default attenuation is 70 dB (Total Atten (dB) is based on attenuator model selected)

Figure 8. The default attenuation is 70 dB

Figure 9. LED OFF de-selects the attenuation

By following the procedures in this demo guide, you will be able to see the functionality of the M9170A to drive switches

and attenuators externally. This guide also applies to chassis from other PXI vendors, as well as compatibility with most

PXI programming software.

Appendix 1: SFP simulation mode

Check Simulation Mode and select the module model for mock-up SFP

Summary

Figure 10. Simulation Mode

Figure 11. Simulation Mode 2

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