ETS-Lindgren 8100-041 Manuel utilisateur

Model 8100-041

RF Power Amplifier

User Manual

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ETS-Lindgren Inc. reserves the right to make changes to any products herein to improve

functioning or design. Although the information in this document has been carefully reviewed and

is believed to be reliable, ETS-Lindgren does not assume any liability arising out of the application

or use of any product or circuit described herein; nor does it convey any license under its patent

rights nor the rights of others. All trademarks are the property of their respective owners.

be copied by any means without written permission from ETS-Lindgren Inc.

Trademarks used in this document: The ETS-Lindgren logo is a registered trademark and

Calibration Services Plus! is a trademark of ETS-Lindgren Inc.

Revision Record

MANUAL,8100-041 | Part #399646 Rev. B

Revision

Description

Date

Initial Release

September, 2015

Updated fuse type

October, 2015

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iii

Table of Contents

Notes, Cautions, and Warnings........................................................................vi

Safety Information .............................................................................................vi

1.0 Introduction...................................................................................................7

Standard Configuration....................................................................................................... 8

Optional Items..................................................................................................................... 8

Rack Mount Brackets....................................................................................................8

2.0 Maintenance..................................................................................................9

Maintenance Recommendations...................................................................................... 10

Troubleshooting................................................................................................................ 10

Replacement and Optional Parts...................................................................................... 11

Service Procedures .......................................................................................................... 11

Contacting ETS-Lindgren............................................................................................11

Sending a Component for Service..............................................................................11

Calibration Services ....................................................................................................11

3.0 Specifications..............................................................................................13

Electrical Specifications.................................................................................................... 13

Physical Specifications..................................................................................................... 13

4.0 Before You Begin........................................................................................15

Setting up the Amplifier .................................................................................................... 15

Rack Mounting.................................................................................................................. 15

5.0 Pre-Installation Tasks.................................................................................17

Mains Connection............................................................................................................. 17

RF Connectors.................................................................................................................. 17

Interlock Safety Loop........................................................................................................ 17

6.0 Operation.....................................................................................................19

Front Panel View .............................................................................................................. 19

Rear Panel View............................................................................................................... 20

Manual Operation............................................................................................................. 21

Remote Control via the IEC/IEEE-488.2 GPIB Interface.................................................. 25

Setting the GPIB Instrument Address.........................................................................26

Interface Messages.....................................................................................................26

Device Messages........................................................................................................27

Remote Control via the Ethernet Interface....................................................................... 30

Administration by LAN.................................................................................................31

Ethernet Control Commands ......................................................................................35

Status Messages of the Amplifier in Ethernet Remote Control Mode ........................36

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Remote Control and Interlock Interface............................................................................ 37

Appendix A: Warranty ......................................................................................39

Scope and Duration of Warranties ................................................................................... 39

Warranty Exclusions......................................................................................................... 40

Buyer’s Remedies............................................................................................................. 40

Appendix B: EC Declaration of Conformity....................................................43

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List of Figures

Figure 1: Amplifier block diagram.................................................................................................8

Figure 2: Pin assignment of remote control and interlock connector.........................................17

Figure 3: Example of interlock safety loops ...............................................................................18

Figure 4: Front panel view..........................................................................................................19

Figure 5: Rear panel view ..........................................................................................................20

Figure 6: User Menu...................................................................................................................23

Figure 7: Pin assignment of IEEE connector .............................................................................25

Figure 8: IEEE universal commands..........................................................................................26

Figure 9: IEEE addressed commands .......................................................................................26

Figure 10: ASCII/ISO and IEC character set .............................................................................27

Figure 11: IEEE interface commands ........................................................................................28

Figure 12: IEEE interface status messages...............................................................................29

Figure 13: Pin configuration of the Ethernet interface................................................................30

Figure 14: Ethernet interface commands...................................................................................35

Figure 15: Ethernet interface status messages .........................................................................36

Figure 16: Signals at the remote control and interlock connector..............................................37

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Notes, Cautions, and Warnings

Note: Denotes helpful information intended to provide tips for better use of the

product.

CAUTION: Denotes a hazard. Failure to follow instructions could result in

minor personal injury and/or property damage. Included text gives proper

procedures.

WARNING: Denotes a hazard. Failure to follow instructions could result in

SEVERE personal injury and/or property damage. Included text gives

proper procedures.

Safety Information

Refer to Manual: When product is marked with this symbol, see the

instruction manual for additional information. If the instruction manual

has been misplaced, download it from www.ets-lindgren.com, or contact

ETS-Lindgren Customer Service.

High Voltage: Indicates presence of hazardous voltage. Unsafe practice

could result in severe personal injury or death.

Protective Earth Ground (Safety Ground): Indicates protective earth

terminal. You should provide uninterruptible safety earth ground from the

main power source to the product input wiring terminals, power cord, or

supplied power cord set.

Waste Electrical and Electronic Equipment (WEEE) Directive: (European

Union) At end of useful life, this product should be deposited at an

appropriate waste disposal facility for recycling and disposal. Do not

dispose of with household waste.

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Introduction

1.0 Introduction

The ETS-Lindgren Model 8100-041 RF Power Amplifier can deliver an output

power of 25 W over the frequency range of 700 to 6000 MHz.

The five-stage solid-state amplifier is of modular design and integrated into one RF

module featuring a high linearity and a flat frequency response.

In order to achieve a stable output power, the bias of the amplifier stages is controlled

by low-drift voltage regulators.

The maximum input power for achieving the nominal output power is 0 dBm

corresponding to 1 mW or 0.224 V into 50 . Due to its gain reserve, the amplifier

usually achieves full output power with an input power of -5 dBm.

The final stage is separately protected against overload by current limitation. The

amplifier is protected against open circuit and short circuit at the output. By using

suitable transistors and a special circuit design in the final stage, even a total

mismatch at the output will not cause any damage. For a VSWR 2:1 the maximum

power can be obtained, all specifications being met.

The amplifier housing is designed to ensure minimum RF leakage and high RF

immunity. The module is supplied with DC voltage via RF feed through filters.

In order to protect the amplifier against thermal overload in case the blower fails or

the ambient temperature is too high, a temperature sensor is mounted on the heat

sink in the vicinity of the final stage.

Introduction

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Standard Configuration

Figure 1: Amplifier block diagram

Optional Items

RACK MOUNT BRACKETS

Set of two brackets for fixing the amplifier in standard 19” racks.

Remote Control and

Interlock Connector

IEEE Connector

(Option A)

Directional Coupler

Temperature Sense

RF Input

Mains

Control Unit

Power Supply +28V

RF Output

Keyboard Card

Ethernet Connector

+12V

Final stage Module

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Maintenance

2.0 Maintenance

CAUTION: Before performing any maintenance, follow the information

provided in Safety Information on page vi.

WARNING: Maintenance of this power amplifier is limited to external

components such as cables or connectors. If you have any questions

concerning maintenance, contact ETS-Lindgren Customer Service.

Clean the exterior of the cabinet using a damp cloth and mild cleaner.

Always unplug the unit before cleaning.

To prevent electrical shock, do not remove cover.

Warranty may be void if the housing is opened.

If you have any questions concerning maintenance, contact ETS-Lindgren

Customer Service.

WARRANTY

Maintenance

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Maintenance Recommendations

In general, the amplifier does not require any maintenance due to its solid-state

amplifier design and overrating of all components under thermal stress.

The fans have a lifetime 40,000 h; this results in a lifetime of 5 years even with

permanent operation.

Cleaning and care of the RF connectors are to be performed according to the

regulations valid for N-series connectors. All mechanical and electrical specifications

are guaranteed for at least 500 plug-in cycles.

Troubleshooting

If the green control light inside the mains switch does not light after turning mains on,

please check the following.

No response after switching Check the fuses at the line input at the rear

the mains switch on: panel of the amplifier.

Check the mains voltage at the mains

connector.

If a fault message will be displayed, the following should be checked:

Display: Interlock External Check the connection to the external

interlockswitch or jumper in the interlock

connector (see Figure 2 on page 17 and

Figure 3 on page 18).

Display: Temperature X Check whether the airflow is obstructed.

Check if the internal blower works.

Check if the ambient temperature is more than

+45 °C.

Allow the instrument to cool down and try to start

again.

Check if the Fault message persists.

Display: PowerSupply X Fault of one or more output voltages of the

indicated power supply X.

Switch off the amplifier and try to start again.

Check if the Fault message persists.

Display: TTL or GPIB or LAN Press the Control key until the display

indicates LOCAL. The amplifier can now be

activated locally.

If a non-permanent error message is being displayed it has to be confirmed by

pushing the Standby/Operate key at the front panel before the fault status will be

unlatched.

Ce manuel convient aux modèles suivants

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