Pickering PXI 40-785 User manual

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Page (1)
MICROWAVE MULTIPLEXER MODULE 40-785
pickering
Issue 3.2 August 2019
User Manual
PXI Microwave
Multiplexer Module
(Model No. 40-785)
pickeringtest.com pickering

Page (II) MICROWAVE MULTIPLEXER MODULE 40-785
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Page (II) REED RELAY MODULE 40-110/115/120/125
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© COPYRIGHT (2019) PICKERING INTERFACES. ALL RIGHTS RESERVED.
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 40-785
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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: [phone]
E-mail: [email protected]
Sweden
Tel: [phone]
E-mail: [email protected]
USA
Tel: (West) [phone]
Tel: (East) [phone]
E-mail: [email protected]
Czech Republic
Tel: [phone]
E-mail: [email protected]
France
Tel [phone]
E-mail [email protected]
Pickering Interfaces Headquarters
Stephenson Road Clacton-on-Sea CO15 4NL United Kingdom
Tel: [phone]
E-Mail: [email protected]
China
Tel: [phone]
E-mail: [email protected]

Page (IV) MICROWAVE MULTIPLEXER MODULE 40-785
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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.
!
kg
SAFETY SYMBOLS
PRODUCT SAFETY
The following safety symbols may be used on the product and throughout the product documentation.

Page (V)
MICROWAVE MULTIPLEXER MODULE 40-785
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Copyright Statement ...................................................................II
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 Cards.................4.1
Section 5
Connector Information................................................................5.1
Section 6
Trouble Shooting.........................................................................6.1
Section 7
Maintenance Information............................................................7.1
Component Layout................................................................7.2
CONTENTS

Page (VI) MICROWAVE MULTIPLEXER MODULE 40-785
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THIS PAGE INTENTIONALLY BLANK

Page (VII)
MICROWAVE MULTIPLEXER MODULE 40-785
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Page (VII)
2 AMP 1-POLE UHD MATRIX MODULES 40-575 / 576 / 577 / 578 / 579
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WARNINGS AND CAUTIONS
WARNING - HAZARDOUS ENVIRONMENTS SYMBOL
This product is not specically 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.
!
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.
Not to be used in safety critical circuits, refer to the Pickering Interfaces’ terms & conditions of sale.
This module must not be used for the switching of Mains Circuits. For the switching of voltages up
to the module’s full specication, Secondary Circuit power supplies and the Device Under Test must
be fully isolated from the Mains Circuit and the safety earth.
The host chassis must be correctly installed and be connected to mains or factory safety ground,
please refer to your chassis installation manual.
Diagram Showing Separation Between The Mains Circuit and Secondary Circuit / DUT
For the purposes of this document, a Mains Circuit is an installation classied as Overvoltage
Category II up to 300V. Separation between the Secondary Circuit and Mains Circuit is achieved
by a transformer in which the primary windings are separated from the secondary windings by
reinforced insulation, double insulation, or a screen connected to the protective conductor terminal.
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.
4. Printed Circuit Boards (PCBs) tted with these devices must be stored and transported in
anti-static bags.
PXI Switching
Module
Device
Under Test
Power
Supply
Power
Supply
Host Chassis
Secondary Circuit
Mains
Circuit
Mains
Circuit
Mains/Factory
Safety Ground

Page (VIII) MICROWAVE MULTIPLEXER MODULE 40-785
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WARNING
Only the correct SMA connector series should be mated with these modules. The 40-785 range uses
SMA-3.5, SMA-2.9 & SMA-1.8 connectors for 40, 50 & 65GHz respectively, 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 SMA connector’s nut is properly tightened to the correct torque with a
5/16 inch wrench. This should be 3-5 in·lbs (0.3 to 0.6 N·m) for brass, and 7-10 in·lbs (0.8–1.1 N·m) for
stainless steel connectors.
!
Page (VIII) 2 AMP 1-POLE UHD MATRIX MODULES 40-575 / 576 / 577 / 578 / 579
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CAUTION - PRODUCT DOCUMENTATION SYMBOL
Suitably qualied & trained users should ensure that the accompanying documentation is fully read
and understood before attempting to install or operate the product.
!
SAFETY INSTRUCTIONS
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
MICROWAVE MULTIPLEXER MODULE 40-785
pickering SECTION 1 - TECHNICAL SPECIFICATION
SECTION 1 - TECHNICAL SPECIFICATION
pickeringtest.com
PXI Microwave Multiplexer 40-785
ISSUE 8.1 AUG 2019
• Single or Dual 6 Channel Panel Mounted
Multiplexer
• Up To 3 Remote Multiplexers From Single Slot
Version
• 18GHz, 26.5GHz and 40GHz Versions
• 50Ω SMA Style Connectors
• 50Ω Terminated Versions
• 75Ω Version With 4GHz Bandwidth
• VISA, IVI & Kernel Drivers Supplied for Windows
• Supported by PXI or LXI Chassis
• 3 Year Warranty
3
4Com
MUX Bank 1
5
6
1
2
off
3
4Com
5
6
1
2
off
MUX Bank 2
Model 40-785-522
Features 2 Separate
6 Channel Microwave
Multiplexers (model
40-785-521 has 1
multiplexer bank)
Default State Shown
Single slot version controls up to
3 remotely mounted microwave
multiplexers via interface cables
The 40-785 is suitable
for constructing complex
microwave switching networks
and provides a range of
switching congurations to suit
most applications. Connection
is by high performance front
panel mounted SMA style
connectors for 50Ωversions.
The 40-785 range of PXI microwave multiplexers are suitable for
switching 50Ω signals up to 40GHz. They are available in single
or dual 6 channel congurations, 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 50Ω terminated version occupies 4 slots for the
single version or 6 slots for the dual version.
A 75Ω version is available with a bandwidth of 4GHz and uses
Siemens 1.6/5.6 style 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.
Easy Repair
To allow fast in eld repair, any relay may be replaced without
removing the module from the PXI chassis.