Pickering PXI 40-785B User manual

pickeringtest.com

Issue 4.3 September 2022

40-785B User Manual

PXI Microwave Multiplexer Modules

Page (II) MICROWAVE MULTIPLEXER MODULE 40-785B

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Page (II) REED RELAY MODULE 40-110/115/120/125

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No part of this publication may be reproduced, transmitted, transcribed, translated or stored in any form, or by

any means without the written permission of Pickering Interfaces.

Technical details contained within this publication are subject to change without notice.

ISO 9001

Reg No. FM38792

Page (III)

MICROWAVE MULTIPLEXER MODULE 40-785B

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WARNING

For versions with SMA connectors, only the correct connector series should be mated with these

modules. The 40-785B range uses SMA, SMA-2.9 & SMA-2.4 connectors depending upon the module’s

frequency range, and the user should only mate the correct type to the module, failure to do so may

result in damage to the connector.

Also, it is important that the connector’s nut is properly tightened to the correct torque. For SMA

connectors, this should be with a 5/16 inch wrench and be 3-5 in·lbs (0.3 to 0.6 N·m) for brass, or 7-10

in·lbs (0.8–1.1 N·m) for stainless steel. For N-type connectors, this should be with an 18mm wrench and

be 15 in·lbs (1.7 N·m).

Page (III)

REED RELAY MODULE 40-110/115/120/125

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TECHNICAL SUPPORT

For Technical Support please contact Pickering Interfaces either by phone, the website or via e-mail.

WARRANTY

All products manufactured by Pickering Interfaces are warranted against defective materials and workmanship for a period of

three years, excluding programmable power supplies, from the date of delivery to the original purchaser. Any product found to be

defective within this period will, at the discretion of Pickering Interfaces be repaired or replaced.

Products serviced and repaired outside of the warranty period are warranted for ninety days.

Extended warranty and service are available. Please contact Pickering Interfaces by phone, the website or via e-mail.

ENVIRONMENTAL POLICY

Pickering Interfaces operates under an environmental management system similar to ISO 14001.

Pickering Interfaces strives to full all relevant environmental laws and regulations and reduce wastes and releases to the

environment. Pickering Interfaces aims to design and operate products in a way that protects the environment and the health and

safety of its employees, customers and the public. Pickering Interfaces endeavours to develop and manufacture products that can

be produced, distributed, used and recycled, or disposed of, in a safe and environmentally friendly manner.

Worldwide Technical Support and Product Information

pickeringtest.com

Germany

Tel: +49 89 125 953 160

E-mail: [email protected]

Sweden

Tel: +46 340-69 06 69

E-mail: [email protected]

USA

Tel: (West) +1 541 471 0700

Tel: (East) +1 781 897 1710

E-mail: [email protected]

Czech Republic

Tel: +420 558 987 613

E-mail: [email protected]

France

Tel +33 9 72 58 77 00

E-mail [email protected]

Pickering Interfaces Headquarters

Stephenson Road Clacton-on-Sea CO15 4NL United Kingdom

Tel: +44 (0)1255-687900

E-Mail: [email protected]

China

Tel: +86 4008 799 765

E-mail: [email protected]

Page (IV) MICROWAVE MULTIPLEXER MODULE 40-785B

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Page (IV) REED RELAY MODULE 40-110/115/120/125

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MEANING / DESCRIPTION SYMBOL

PROTECTIVE EARTH (GROUND)

To identify any terminal which is intended for connection to an external conductor for

protection against electric shock in case of a fault, or the terminal of a protective earth

(ground) electrode.

DANGEROUS VOLTAGE

To indicate hazards arising from dangerous voltages.

WARNING / CAUTION

An appropriate safety instruction should be followed or caution to a potential hazard

exists.

Refer to the relevant instructions detailed within the product manual.

HEAVY

If this product is heavy reference should be made to the safety instructions for

provisions of lifting and moving.

STATIC SENSITIVE

To indicate that static sensitive devices are present and handling precautions should

be followed.

SAFETY SYMBOLS

PRODUCT SAFETY

The following safety symbols may be used on the product and throughout the product documentation.

Page (V)

MICROWAVE MULTIPLEXER MODULE 40-785B

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Technical Support and Warranty................................................III

Product Safety .............................................................................IV

Contents (this page)....................................................................V

Warnings and Cautions ..............................................................VII

Section 1

Technical Specication...............................................................1.1

Section 2

Technical Description .................................................................2.1

Functional Description..........................................................2.1

Section 3

Installation....................................................................................3.1

Pre Operation Checks...........................................................3.1

Hardware Installation ............................................................3.2

Software Installation .............................................................3.2

Testing Operation ..................................................................3.3

Section 4

Programming Guide....................................................................4.1

Programming Options For Pickering PXI Modules ............4.1

Module Architecture..............................................................4.2

Programming The Module ....................................................4.3

Section 5

Connector Information................................................................5.1

Section 6

Trouble Shooting.........................................................................6.1

Section 7

Maintenance Information............................................................7.1

Appendix A

Relay Dimensional Drawings .....................................................A.1

Appendix B

Mounting Bracket Information ...................................................B.1

CONTENTS

Page (VI) MICROWAVE MULTIPLEXER MODULE 40-785B

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Page (VII)

MICROWAVE MULTIPLEXER MODULE 40-785B

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Page (VII)

REED RELAY MODULE 40-110/115/120/125

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WARNINGS AND CAUTIONS

WARNING - HAZARDOUS ENVIRONMENTS SYMBOL

atmospheres. If the product is to be used in hazardous environments we recommend that the user

ensures suitable protective measures are taken.

WARNING - DANGER OF ELECTRIC SHOCK SYMBOL

This module may contain hazardous voltages. Before removing the module from the rack remove all

supplies and disconnect user I/O signals.

Unused slots in the host chassis are populated with blanking plates to prevent access to user

I/O signals that may be present. Blanking panels are available to order from Pickering in a variety

of slot widths. If the product is not used in this manner for example by using an extender card then

additional care must be taken to avoid contact with exposed signals.

CAUTION - HANDLING OF ELECTROSTATIC-SENSITIVE DEVICES SYMBOL

Certain semiconductor devices used in this equipment are liable to damage due to static voltage.

Observe the following precautions when handling these devices in their unterminated state, or

sub-assemblies containing these devices:

1. Persons removing sub-assemblies from equipment using these devices must be earthed by a

wrist strap and a resistor at the point provided on the equipment.

2. Soldering irons used during the repair operations must be low voltage types with earthed tips and

isolated from the mains voltage by a double insulated transformer.

3. Outer clothing worn must be unable to generate static charges.

anti-static bags.

CAUTION - PRODUCT DOCUMENTATION SYMBOL

and understood before attempting to install or operate the product.

SAFETY INSTRUCTIONS

All cleaning and servicing requires the equipment to be isolated and disconnected from the power source and user I/O

signals (refer to the Maintenance Section).

• Appropriate manual handling procedures should be followed as dictated by the weight of the individual module or

the combined weight of the modules & chassis.

• Should a fault occur with the module or chassis, immediately isolate and disconnect the incoming power to the

chassis and the user I/O signals.

• Ensure the equipment is installed, operated and maintained by trained and authorised personnel.

• For suitably equipped products in the event of an emergency press the red “emergency stop” button situated on

the front of the unit.

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Page 1.1

MICROWAVE MULTIPLEXER MODULE 40-785B

pickering SECTION 1 - TECHNICAL SPECIFICATION

SECTION 1 - TECHNICAL SPECIFICATION

pickeringtest.com

PXI Microwave Multiplexer Modules 40-785B

ISSUE 4.2 SEP 2022

ySingle or Dual 6 Channel Panel Mounted

Multiplexer

yUp To 3 Remote Multiplexers From Single Slot

Version

y50 Ω Versions With 3-50 GHz Bandwidth

y50 Ω Terminated and Unterminated Versions

y75 Ω Version With 2.5 GHz Bandwidth

yLED Indication

yVISA, IVI & Kernel Drivers Supplied for Windows

ySupported by PXI or LXI Chassis

y3 Year Warranty

4Com

MUX Bank 1

off

4Com

off

MUX Bank 2

Model 40-785B-522

Features 2 Separate Non

Terminated 6 Channel

Microwave Multiplexers

(model 40-785B-521 has 1

multiplexer bank)

Default State Shown

MUX Bank

COM

Model 40-785B-521-T

Features a single

Terminated 6 Channel

Microwave Multiplexer

(model 40-785B-522-T has 2

multiplexer banks)

Default State Shown

Single slot version controls

1, 2 or 3 remotely mounted

microwave multiplexers via

interface cables

The 40-785B range of PXI microwave multiplexer modules

are suitable for switching 50 Ω signals up to 50 GHz. They

are available in single or dual 6 channel conﬁgurations with

relays mounted on the front panel. Remote versions are also

available which can support up to three multiplexers in a

single slot.

The remote multiplexer versions, as well as occupying less

PXI panel space, allow the microwave relays to be placed

closer to the UUT and RF test equipment. This can shorten

the length of cables and improve system performance.

Remote multiplexers are supplied with a 1.5m interface cable.

The panel mounted 50 Ω terminated version occupies 4 slots

for the single version or 6 slots for the dual version.

A 75 Ω version is available with a bandwidth of 2.5 GHz and

uses Siemens 1.6/5.6 style connectors.

The 40-785B range is suitable

for constructing complex

microwave switching networks

and includes switching

conﬁgurations to suit most

applications. Connection is

by high performance SMA,

SMA-2.9, SMA-2.4 or N-type

connectors for 50 Ω versions.

These modules give you the

highest RF and microwave

switching performance

available within a Pickering

switching system. Although

designed for microwave

applications, they have many

uses in the RF spectrum

where extremely low insertion

loss and ultra high isolation

are critical.

Page 1.2 MICROWAVE MULTIPLEXER MODULE 40-785B

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SECTION 1 - TECHNICAL SPECIFICATION

Microwave Multiplexer, 40-785B

pickeringtest.com

Speciﬁcations

General Multiplexer Information

Relay Manufacturer: Radiall

Conﬁguration: SP6T Microwave MUX with

1, 2 or 3 independent banks.

LED Indicators: Multiplexers have blue LEDs

to indicate a closed RF path.

Operate Time: Typically 15ms

Maximum Cold Switch

Voltage:

100 V

Maximum Carry Current: 1 A

Speciﬁcation - 3 GHz Versions

Characteristic Impedance: 50 Ω

Connectors: N-type

Bandwidth DC to 3 GHz

Isolation: 80 dB (0-3 GHz)

Insertion Loss: 0.2 dB (0-3 GHz)

VSWR: 1.2:1 (0-3 GHz)

Maximum RF Carry Power: 400 W (0-3 GHz)

Termination Power Rating: 1 W per termination,

3 W total per 6 channel

multiplexer.

Expected Life (Low Power): 3 GHz option,

>2 million operations

3 GHz terminated option,

>2 million operations

Typical VSWR Plot for 3 GHz

Terminated & Unterminated Versions

Typical Isolation (dB) Plot for 3 GHz

Terminated & Unterminated Versions

Typical Insertion Loss (dB) Plot for 3 GHz

Terminated & Unterminated Versions

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