Pickering 40-781 Manuale utente

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Issue 2.3 June 2021

40-781 User Manual

PXI Terminated Microwave SPDT Relay Modules

Page (II) PXI TERMINATED SPDT MICROWAVE RELAY 40-781

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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)

PXI TERMINATED SPDT MICROWAVE RELAY 40-781

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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

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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) PXI TERMINATED SPDT MICROWAVE RELAY 40-781

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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)

PXI TERMINATED SPDT MICROWAVE RELAY 40-781

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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 ............4.2

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

Programming the Module .....................................................4.3

Section 5

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

Connector Layout..................................................................5.1

Section 6

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

Section 7

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

CONTENTS

Page (VI) PXI TERMINATED SPDT MICROWAVE RELAY 40-781

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Page (VII)

PXI TERMINATED SPDT MICROWAVE RELAY 40-781

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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.

Page (VIII) PXI TERMINATED SPDT MICROWAVE RELAY 40-781

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Page 1.1

PXI TERMINATED SPDT MICROWAVE RELAY 40-781

pickering SECTION 1 - TECHNICAL SPECIFICATION

SECTION 1 - TECHNICAL SPECIFICATION

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PXI Terminated SPDT Microwave Relay Modules 40-781

ISSUE 2.1 MAY 2021

y1 or 2 Changeover Relays Per Module

yInternal or External Termination

y50 Ω Characteristic Impedance

y18 GHz Bandwidth

yLED Indication

yVISA, IVI & Kernel Drivers Supplied for

Windows

ySupported by PXI or LXI Chassis

y3 Year Warranty

The 40-781 Microwave switching module consists of one, or

two changeover switches capable of switching frequencies

to 18 GHz in 50 Ω. It is available with either internal or

external terminations and connections are made via front

panel mounted high quality SMA coaxial connectors.

The externally terminated versions have the advantage

that the terminations can be removed and replaced with

RF loads capable of handling higher power. This also

allows alternative conﬁgurations such as terminated 4-port

bypass (1 termination removed) and 5-port DP3T (both

terminations removed). See overleaf for diagrams of these

conﬁgurations.

These modules give you the highest RF and microwave

switching performance available within a Pickering

40-781 Single Changeover

Relay, Internal Terminations

Com

SPDT Switch 1

Com

SPDT Switch 1

Com

SPDT Switch 1

SPDT Switch 2

Com

SPDT Switch 1

SPDT Switch 2

40-781 Dual Changeover

Relay, Internal Terminations

40-781 Dual Changeover

Relay, External Terminations 40-781 Single Changeover

Relay, External Terminations

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. They may also be used for lower frequency

applications where power handling to 240 W (without

termination) is required.

Page 1.2 PXI TERMINATED SPDT MICROWAVE RELAY 40-781

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SECTION 1 - TECHNICAL SPECIFICATION

Terminated SPDT Microwave Relay, 40-781

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Speciﬁcations

1 2 3 4

STATE 1

(DEFAULT)

1 2 3 4

STATE 2

2 3 4 5

STATE 1

(DEFAULT)

2 3 4 5

STATE 2

40-781-12x Conﬁgured as a Terminated 4-Port Bypass

Switch (With One External Termination Removed)

40-781-12x Conﬁgured as a 5-Port DP3T Switch

(With Both External Terminations Removed)

Switching Speciﬁcation

Conﬁguration: SPDT Microwave Switch

with automatic termination

on the NO and NC paths,

1 or 2 independent banks.

LED Indicators: Blue LEDs to indicate

activated relays.

Operate Time: 10 ms

Characteristic Impedance: 50 Ω

Connectors: SMA

Maximum Frequency: 18 GHz

Expected Life

40-781-1xx:

40-781-0xx:

>10 million operations

>2 million operations

RF Speciﬁcation

Insertion Loss: <0.2 dB to 3 GHz

<0.3 dB to 8 GHz

<0.4 dB to 12.4 GHz

<0.5 dB to 18 GHz

Isolation: >80 dB to 3 GHz

>70 dB to 8 GHz

>60 dB to 18 GHz

VSWR: <1.2:1 0 to 3 GHz

<1.3:1 to 8 GHz

<1.4:1 to 12.4 GHz

<1.5:1 to 18 GHz

Power Handling - Externally

Terminated Versions:

1 W limited by

terminations.

NOTE: External terminations can be removed and

replaced with higher power loads.

Power Handling - Internally

Terminated Versions:

1 W limited by

terminations.

RF Average Carry Power

at 25 °C:

240 W to 3 GHz

150 W to 8 GHz

120 W to 12.4 GHz

100 W to 18 GHz

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