Pickering 4-788 Series Manuel utilisateur

pickeringtest.com Issue 2.0, October 2023

PXI/PXIe Microwave Multiplexer Modules

4x-788 User Manual

Page (ii)

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.

FM38792

Page (iii)

Worldwide Technical Support and Product Information

Pickering Interfaces Headquarters

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

Tel: +44 (0)1255-687900

e-mail: [email protected]

USA

Tel: (West) +1 541 471 0700

Tel: (East) +1 781 897 1710

e-mail: ussales@pickeringtest.com

France

Tel +33 9 72 58 77 00

e-mail: [email protected]

Germany

Tel: +49 89 125 953 160

e-mail: [email protected]

Sweden

Tel: +46 340-69 06 69

e-mail: [email protected]

Czech Republic

Tel: +420 558 987 613

e-mail: [email protected]

China

Tel: +86 4008 799 765

e-mail: [email protected]

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 fulﬁl 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.

Page (iv)

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

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

Product Safety

Page (v)

Contents

Copyright Statement........................................................................................................................................................(ii)

Technical Support and Warranty...................................................................................................................................(iii)

Product Safety...................................................................................................................................................................(iv)

Contents (this page).........................................................................................................................................................(v)

Warnings and Cautions...................................................................................................................................................(vi)

Section 1

Technical Speciﬁcation....................................................................................................................................................1.1

Section 2

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

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

Mechanical Description .............................................................................................................................................2.2

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/PXIe Modules......................................................................................4.1

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

Programming the Module.........................................................................................................................................4.4

Using Pickering Drivers in LabVIEW.......................................................................................................................4.7

Section 5

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

Section 6

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

Section 7

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

Appendix A

Part Number List..............................................................................................................................................................A.1

Page (vi)

WARNING - Hazardous Environments Symbol

This product is not speciﬁcally designed for use in hazardous environments, for example in explosive

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

suitable protective measures are taken.

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:

• 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.

• 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.

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

• Printed Circuit Boards (PCBs) ﬁtted with these devices must be stored and transported in anti-static bags.

Warnings & Cautions

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 PXI/PXIe/LXI 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 - Product Documentation Symbol

Suitably qualiﬁed & trained users should ensure that the accompanying documentation is fully read 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.

Page 1.1 pickeringtest.com

Section 1 - Technical Speciﬁcation

The 40-788 (PXI) and 42-788 (PXIe) range of PXI microwave

multiplexer modules are suitable for switching 50 Ω signals

up to 26.5 GHz. They are available in single or dual SP8T,

SP10T or SP12T conﬁgurations with relays mounted on the

front panel. Remote versions are also available which can

support one or two multiplexers in a dual slot module.

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 versions are supplied with a 1.5m interface cable.

yAvailable as PXI or PXIe Modules

ySingle or Dual SP8T, SP10T or SP12T Panel

Mounted Multiplexer

y1 or 2 Remote SP8T, SP10T or SP12T

Multiplexers From Dual Slot Version

y50 Ω Versions With 8-26.5 GHz Bandwidth

y50 Ω Terminated and Unterminated Versions

yRelay Cycle Counting Included

yLED Indication

yVISA, IVI & Kernel Drivers Supplied for Windows

yPXI Version Supported by PXI or LXI Chassis

y3 Year Warranty

Microwave Multiplexer (Part No. 4x-788)

in Single SP8T Format

Dual slot version

controls 1 or 2

remotely mounted

microwave

multiplexers via

interface cables

The panel mounted terminated and unterminated

multiplexers occupy 3 slots (SP8T versions), 4 slots (single

SP10T & SP12T versions) or 6 slots (all dual versions).

The 4x-788 range is suitable for constructing complex

microwave switching networks and includes switching

conﬁgurations to suit most applications. Connection is by

high performance SMA or N-type connectors.

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.

Single SP8T

Off

off

Off

MUX Bank 1

Off

MUX Bank 2

MUX Bank 1

off

MUX Bank 2

off

Single Terminated SP8T

Dual SP8T Dual Terminated SP8T

pickeringtest.com

4x-788

PXI/PXIe Microwave Multiplexer

Issue 1.0 October 2022

Page 1.2 pickeringtest.com

Section 1 - Technical Speciﬁcation

4x-788 SP8T Multiplexer Range

Relay Cycle Counting

To aid with module “health” monitoring all versions are provided

with a relay cycle counting cycle feature. The number of operations

per contact are stored on the module and can be used to determine

if a relay is approaching EOL. This information could allow system

connections to be revised so that signals applied to heavily used

contacts are swapped with lightly used contacts to prolong the

working life of the relay(s).

Single SP8T

Off

off

Off

MUX Bank 1

Off

MUX Bank 2

MUX Bank 1

off

MUX Bank 2

off

Single Terminated SP8T

Dual SP8T Dual Terminated SP8T

Single SP8T

Off

off

Off

MUX Bank 1

Off

MUX Bank 2

MUX Bank 1

off

MUX Bank 2

off

Single Terminated SP8T

Dual SP8T Dual Terminated SP8T

Single SP10T Single Terminated SP10T

Dual SP10T Dual Terminated SP10T

MUX Bank 1

off

MUX Bank 2

off

Off

MUX Bank 1

Off

MUX Bank 2

off

Off

Single SP10T Single Terminated SP10T

Dual SP10T Dual Terminated SP10T

MUX Bank 1

off

MUX Bank 2

off

Off

MUX Bank 1

Off

MUX Bank 2

off

Off

4x-788 SP10T Multiplexer Range

4x-788

pickeringtest.com Page 2

PXI/PXIe Microwave Multiplexer

Page 1.3 pickeringtest.com

Section 1 - Technical Speciﬁcation

4x-788 SP12T Multiplexer Range

Single SP12T Single Terminated SP12T Dual SP12T Dual Terminated SP12T

MUX Bank 1

off

MUX Bank 2

off

Off

MUX Bank 1

Off

MUX Bank 2

off

Off

pickering

MUX BANK 1

Remotely Mounted

Microwave Multiplexers

Interface Cables 1.5m Length

40x-788

Dual Slot

PXI/PXIe Module

MUX BANK 2

6 45

123

6 4

123

10 9

Interconnection Between 4x-788 Dual Slot Version

and Remotely Mounted Microwave Multiplexers

Remotely Mounted Microwave

Multiplexer Versions

4x-788

pickeringtest.com Page 3

PXI/PXIe Microwave Multiplexer

Page 1.4 pickeringtest.com

Section 1 - Technical Speciﬁcation

General Multiplexer Information

Relay Manufacturer: Radiall

Conﬁguration: SP8T, SP10T or SP12T

Microwave MUX with 1 or 2

independent banks.

LED Indicators: Multiplexers have blue LEDs

to indicate a closed RF path.

Operate Time: Typically 15 ms

Maximum Cold Switch

Voltage:

100 V

Maximum Carry Current: 1 A

Speciﬁcation - 8 GHz SP8T, SP10T & SP12T Versions

Characteristic Impedance: 50 Ω

Connectors: N-type

Bandwidth DC to 8 GHz

Isolation: 80 dB (0-3 GHz)

70 dB (3-8 GHz)

Insertion Loss: 0.3 dB (0-3 GHz)

0.5 dB (3-8 GHz)

VSWR: 1.3:1 (0-3 GHz)

1.5:1 (0-3 GHz)

Maximum RF Carry

Power:

400 W (0-3 GHz)

250 W (3-8 GHz)

Expected Life (operations): >2 million

Speciﬁcation - 18 GHz SP8T Versions

Characteristic Impedance: 50 Ω

Connectors: SMA

Bandwidth DC to 18 GHz

Isolation: 80 dB (0-3 GHz)

70 dB (3-8 GHz)

60 dB (8-12.4 GHz)

60 dB (12.4-16 GHz)

60 dB (16-18 GHz)

Insertion Loss: 0.2 dB (0-3 GHz)

0.3 dB (3-8 GHz)

0.4 dB (8-12.4 GHz)

0.55 dB (12.4-16 GHz)

0.6 dB (16-18 GHz)

VSWR: 1.2:1 (0-3 GHz)

1.3:1 (3-8 GHz)

1.4:1 (8-12.4 GHz)

1.5:1 (12.4-16 GHz)

1.6:1 (16-18 GHz)

Maximum RF Carry

Power:

240 W (0-3 GHz)

150 W (3-8 GHz)

120 W (8-12.4 GHz)

110 W (12.4-16 GHz)

100 W (16-18 GHz)

Termination Power Rating

(terminated versions):

1 W per termination,

3 W total per multiplexer.

Expected Life (operations): >2 million

Speciﬁcation - 18 GHz SP10T Versions

Characteristic Impedance: 50 Ω

Connectors: SMA

Bandwidth DC to 18 GHz

Isolation: 80 dB (0-3 GHz)

70 dB (3-8 GHz)

60 dB (8-12.4 GHz)

60 dB (12.4-16 GHz)

55 dB (16-18 GHz)

Insertion Loss: 0.2 dB (0-3 GHz)

0.3 dB (3-8 GHz)

0.4 dB (8-12.4 GHz)

0.5 dB (12.4-16 GHz)

0.7 dB (16-18 GHz)

VSWR: 1.2:1 (0-3 GHz)

1.3:1 (3-8 GHz)

1.4:1 (8-12.4 GHz)

1.5:1 (12.4-16 GHz)

1.7:1 (16-18 GHz)

Maximum RF Carry

Power:

240 W (0-3 GHz)

150 W (3-8 GHz)

120 W (8-12.4 GHz)

110 W (12.4-16 GHz)

100 W (16-18 GHz)

Termination Power Rating

(terminated versions):

1 W per termination,

3 W total per multiplexer.

Expected Life (operations): >2 million

4x-788

pickeringtest.com Page 4

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