Pickering PXI 40-748 1 Series User manual

pickeringtest.com
40-747-731/748-xx1/749-731 User Manual
PXI RF Multiplexer Modules
Issue 1.1 June 2021

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Page (II) REED RELAY MODULE 40-110/115/120/125
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© COPYRIGHT (2021) 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

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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]

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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.

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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
40-747 .....................................................................................1.1
40-748 .....................................................................................1.5
40-749 .....................................................................................1.10
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
Sub-Units................................................................................4.3
Programming The Module ....................................................4.4
Section 5
Connector Information................................................................5.1
Section 6
Trouble Shooting.........................................................................6.1
Section 7
Maintenance Information............................................................7.1
Relay Lookup Tables / Component Layout......................... 7.1
CONTENTS

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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.
4.
anti-static bags.
CAUTION - PRODUCT DOCUMENTATION SYMBOL
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.

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Page 1.1
RF MULTIPLEXER MODULES 40-747 / 748 / 749
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SECTION 1 - TECHNICAL SPECIFICATION
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PXI Single 16-Channel RF Multiplexer Module 40-747-731
ISSUE 1.1 JUN 2021
ySingle 16:1 RF Multiplexer
y1 GHz Bandwidth
y75 Ω Characteristic Impedance
y1.0/2.3 Coaxial Connectors
yVISA, IVI & Kernel Drivers Supplied for
Windows
ySupported by PXI or LXI Chassis
y3 Year Warranty
40-747-731 Single 16 to 1 RF MUX Switching
Diagram (Default Switch Paths Shown)
9
10
11
12
C
13
14
15
16
RF MUX
1
2
3
4
5
6
7
8
For applications that
require SMB or MCX
connectors, Pickering
offer newer designs
with significantly
improved
performance.
The 40-875 (50 Ω)
and 40-835 (75 Ω)
are 16-Channel
multiplexers with
bandwidths to 3 GHz
The 40-747-731 is a single 16 to 1 RF 75 Ω multiplexer
module fitted with 1.0/2.3 connectors and occupying a
single PXI slot.
Applications for the 40-747-731 include routing high
frequency signals to and from oscilloscopes, analyzers,
signal generators and synthesizers, telecoms tributary
switching, video/audio switching and switching high
frequency logic signals.
The 40-747-731 is supplied with drivers that allow the
module to be supported in all popular PXI software
environments. The module can also be supported in
Pickering Interfaces’ LXI/PXI Modular Chassis, allowing
users to choose an LXI or PXI switching platform while
retaining the same high performance characteristics and
driver environment.

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SECTION 1 - TECHNICAL SPECIFICATION
Single 16-Channel RF MUX, 40-747-731
pickeringtest.com
Specifications
40-747-731 (75 Ω) Typical insertion loss
plots for each channel.
40-747-731 (75 Ω) Typical VSWR
plots for each channel.
40-747-731 (75 Ω) Typical Isolation
plots for each input channel.
40-747-731 (75 Ω) Typical crosstalk between
neighboring multiplexer channels.
40-747-731 Performance Plots
(Plots taken from typical sample showing all connecting paths for parameter)