AVTECH ELECTROSYSTEMS LTD. AVR-2B-B Bedienungsanleitung

INSTRUCTIONS

MODEL AVR-2B-B

±100 Volts, 100 kHz

PULSE GENERATOR ITH

IEEE 488.2 AND RS-232 CONTROL

SERIAL NUMBER: 14216

A V T E C H E L E C T R O S Y S T E M S L T D .

N A N O S E C O N D A V E F O R M E L E C T R O N I C S

S I N C E 1 9 7 5

info@avtechpulse.com

http://www.avtechpulse.com/

Tel: 888-670-8729 (USA & Canada)

or +1-613-686-6675 ( orldwide)

BOX 5120, LCD MERIVALE

OTTA A, CANADA K2C3H5

ARRANTY

Avtech Electrosystems Ltd. warrants products of its manufacture to be free

from defects in material and workmanship under conditions of normal use. If,

within one year after delivery to the original owner, and after prepaid return by

the original owner, this Avtech product is found to be defective, Avtech shall at

its option repair or replace said defective item. This warranty does not apply to

units which have been dissembled, modified or subjected to conditions

exceeding the applicable specifications or ratings. This warranty is the extent of

the obligation assumed by Avtech with respect to this product and no other

warranty or guarantee is either expressed or implied.

TECHNICAL SUPPORT

Phone: 888-670-8729 (USA & Canada)

or +1-613-686-6675 ( orldwide)

E-mail: [email protected]

orld ide eb: http://www.avtechpulse.com

TABLE OF CONTENTS

WARRANTY......................................................................................................................2

TECHNICAL SUPPORT...................................................................................................2

TABLE OF CONTENTS....................................................................................................3

INTRODUCTION...............................................................................................................5

SPECIFICATIONS............................................................................................................6

REGULATORY NOTES....................................................................................................7

FCC PART 18.......................................................................................................................... 7

EC DECLARATION OF CONFORMITY..................................................................................7

DIRECTIVE 2011/65/EU (RoHS).............................................................................................8

DIRECTIVE 2002/ 6/EC (WEEE)............................................................................................8

FIRMWARE LICENSING.........................................................................................................

INSTALLATION..............................................................................................................10

VISUAL CHECK....................................................................................................................10

POWER RATINGS................................................................................................................ 10

CONNECTION TO THE POWER SUPPLY...........................................................................10

PROTECTION FROM ELECTRIC SHOCK...........................................................................11

ENVIRONMENTAL CONDITIONS........................................................................................12

LABVIEW DRIVERS..............................................................................................................12

FUSES.............................................................................................................................13

AC FUSE REPLACEMENT...................................................................................................13

DC FUSE REPLACEMENT...................................................................................................14

FUSE RATINGS....................................................................................................................14

FRONT PANEL CONTROLS..........................................................................................15

REAR PANEL CONTROLS............................................................................................17

GENERAL INFORMATION............................................................................................19

BASIC PULSE CONTROL....................................................................................................1

TRIGGER MODES................................................................................................................ 21

PULSE WIDTH MODES........................................................................................................21

GATING MODES...................................................................................................................21

PREVENTING OUTPUT STAGE FAILURE..........................................................................22

OPERATIONAL CHECK.................................................................................................23

PROGRAMMING YOUR PULSE GENERATOR...........................................................26

KEY PROGRAMMING COMMANDS....................................................................................26

ALL PROGRAMMING COMMANDS.....................................................................................27

MECHANICAL INFORMATION......................................................................................29

TOP COVER REMOVAL.......................................................................................................2

RACK MOUNTING................................................................................................................ 2

ELECTROMAGNETIC INTERFERENCE..............................................................................2

MAINTENANCE..............................................................................................................30

REGULAR MAINTENANCE..................................................................................................30

CLEANING............................................................................................................................ 30

TRIGGER DAMAGE..............................................................................................................30

WIRING DIAGRAMS.......................................................................................................31

WIRING OF AC POWER.......................................................................................................31

WIRING OF DC POWER.......................................................................................................32

PCB 158R7 - LOW VOLTAGE POWER SUPPLY................................................................33

PCB 1 7K - HIGH-VOLTAGE POWER SUPPLY..................................................................34

PCB 17 B - CAPACITOR BANKS........................................................................................35

PCB 183A-S AND 183A-P CAPACITOR BANKS.................................................................36

PCB 156D - POLARITY CONTROL BOARD (-PN UNITS ONLY)........................................37

PCB 104G - KEYPAD / DISPLAY BOARD...........................................................................38

MAIN WIRING.......................................................................................................................3

PERFORMANCE CHECK SHEET................................................................................. 0

Manual Reference: /fileserver2/officefiles/instructword/avr-2/AVR-2B-B,ed8.odt.

Last modified January 24, 2022.

INTRODUCTION

The AVR-2B-B is a high performance, GPIB and RS232-equipped instrument capable

of generating 5 to 100V at repetition rates up to 100 kHz into loads of 50Ω or higher.

The pulse width is variable from 100 ns to 100 us, and the duty cycle may be as high as

50%. The maximum average output power is 100 atts. Rise and fall times are fixed at

less than 10 ns.

The AVR-2B-B includes an internal trigger source, but it can also be triggered or gated

by an external source. A front-panel pushbutton can also be used to trigger the

instrument. The output pulse width can be set to follow an input trigger pulse width.

The output voltage polarity depends on the model number:

"-P" units: +5 to +100 Volts

"-N" units: -5 to -100 Volts

"-PN" units: ±5 to ±100 Volts

The AVR-2B-B features front panel keyboard and adjust knob control of the output

pulse parameters along with a four line by 40-character backlit LCD display of the

output amplitude, pulse width, pulse repetition frequency, and delay. The instrument

includes memory to store up to four complete instrument setups. The operator may use

the front panel or the computer interface to store a complete “snapshot” of all key

instrument settings, and recall this setup at a later time.

The instrument is protected against overload conditions (such as short circuits) by an

automatic control circuit. An internal power supply monitor removes the power to the

output stage for five seconds if an average power overload exists. After that time, the

unit operates normally for one second, and if the overload condition persists, the power

is cut again. This cycle repeats until the overload is removed.

This instrument is intended for use in research, development, test and calibration

laboratories by qualified personnel.

SPECIFICATIONS

Model1: AVR-2B-B

Amplitude (into ≥ 50Ω)2,3,5: 5 to 100V

Maximum output current: 2A

Rise & fall times (20%-80%): ≤ 10 ns

Pulse width (F HM): 100 ns to 100 us

Maximum PRF: 100 kHz

Max. duty cycle,

average output power:

Standard: 50%, 100

-XP2 option: 80%, 160

Polarity4: Positive or negative or both (specify).

Dual polarity not available with -XP2 option.

Output Impedance: 1.5 Ω, approximately

Propagation delay: ≤ 150 ns (Ext trig in to pulse out)

Jitter: ± 100 ps ± 0.03% of sync delay (Ext trig in to pulse out)

Trigger modes: Internal trigger, external trigger (TTL level pulse, > 10 ns, 1 kΩ input impedance),

front-panel “Single Pulse” pushbutton, or single pulse trigger via computer command. In

the external trigger mode, the pulse width may be set by the instrument,

or it may be set to track the input pulse width.

Variable delay: Sync to main out: 0 to 1.0 seconds, for all trigger modes (including external trigger).

Sync output: > +3 Volts, > 50 ns, will drive 50 Ohm loads

Gated operation: Synchronous or asynchronous, active high or low, switchable.

Connectors: Out, Trig, Sync, Gate: BNC

GPIB & RS-232 control1: Standard feature on all -B units.

LabView drivers: Available for download at http://www.avtechpulse.com/labview.

Ethernet port, for remote control using

VXI-11.3, ssh, telnet, & web:

Included. Recommended as a modern alternative to GPIB / RS-232.

See http://www.avtechpulse.com/options/vxi for details.

Settings resolution: The resolution of the timing parameters (pulse width, delay, period) varies,

but is always better than 0.15% of (|set value| + 20 ns).

The amplitude resolution is < 0.1% of the maximum amplitude.

Settings accuracy: Typically ± 3% (plus ±1V or ± 2 ns) after 10 minute warmup.

For high-accuracy applications requiring traceable calibration,

verify the output parameters with a calibrated oscilloscope6.

Power requirements: 100 - 240 Volts, 50 - 60 Hz

Dimensions: 100 mm x 430 mm x 375 mm (3.9” x 17” x 14.8”)

Chassis material: Cast aluminum frame and handles, blue vinyl on aluminum cover plates

Mounting: Any. Add -R5 to the model number to add a rack-mount kit.

Temperature range: +5°C to +40°C

1) -B suffix indicates IEEE-488.2 GPIB and RS-232 control of amplitude and frequency. See http://www.avtechpulse.com/gpib for

details.

2) For operation at amplitudes of less than 10% of full-scale, best results will be obtained by setting the amplitude near full-scale

and using external attenuators on the output.

3) For analog electronic control (0 to +10V) of amplitude, suffix the model number with -EA. These units also include the standard

front-panel controls.

4) Indicate desired polarity by suffixing model number with -P or -N (i.e. positive or negative), or -PN for dual polarity option.

5) The instrument may be used to drive resistive loads of less than 50 Ohms, as long as the maximum output current specification

is not exceeded. The rise and fall times may increase.

6) These instruments are provided with a basic calibration checksheet, showing a selection of measured output parameters. These

measurements are performed with equipment that is calibrated on a regular basis by a third-party ISO/IEC 17025:2005

accredited calibration laboratory. However, Avtech itself does not claim any accreditation. For applications requiring traceable

performance, use a calibrated measurement system rather than relying on the accuracy of the pulse generator settings.

REGULATORY NOTES

FCC PART 18

This device complies with part 18 of the FCC rules for non-consumer industrial,

scientific and medical (ISM) equipment.

This instrument is enclosed in a rugged metal chassis and uses a filtered power entry

module (where applicable). The main output signal is provided on a shielded connector

that is intended to be used with shielded coaxial cabling and a shielded load. Under

these conditions, the interference potential of this instrument is low.

If interference is observed, check that appropriate well-shielded cabling is used on the

output connectors. Contact Avtech ([email protected]) for advice if you are unsure

of the most appropriate cabling. Also, check that your load is adequately shielded. It

may be necessary to enclose the load in a metal enclosure.

If any of the connectors on the instrument are unused, they should be covered with

shielded metal “dust caps” to reduce the interference potential.

This instrument does not normally require regular maintenance to minimize interference

potential. However, if loose hardware or connectors are noted, they should be

tightened. Contact Avtech ([email protected]) if you require assistance.

EC DECLARATION OF CONFORMITY

e Avtech Electrosystems Ltd.

P.O. Box 5120, LCD Merivale

Ottawa, Ontario

Canada K2C 3H5

declare that this pulse generator meets the intent of Directive 2004/108/EG for

Electromagnetic Compatibility. Compliance pertains to the following specifications as

listed in the official Journal of the European Communities:

EN 50081-1 Emission

EN 50082-1 Immunity

and that this pulse generator meets the intent of the Low Voltage Directive 2006/95/EC.

Compliance pertains to the following specifications as listed in the official Journal of the

European Communities:

EN 61010-1:2001 Safety requirements for electrical equipment for

measurement, control, and laboratory use

DIRECTIVE 2011/65/EU (RoHS)

e Avtech Electrosystems Ltd.

P.O. Box 5120, LCD Merivale

Ottawa, Ontario

Canada K2C 3H5

declare that, to the best of our knowledge, all electrical and electronic equipment (EEE)

sold by the company are in compliance with Directive 2011/65/EU of the European

Parliament and of the Council of 8 June 2011 on the restriction of the use of certain

hazardous substances in electrical and electronic equipment (also known as “RoHS

Recast”). In addition, this declaration of conformity is issued under the sole

responsibility of Avtech Electrosystems Ltd. Specifically, products manufactured do not

contain the substances listed in the table below in concentrations greater than the listed

maximum value.

Material/Substance Threshold level

Lead (Pb) < 1000 ppm (0.1% by mass)

Mercury (Hg) < 1000 ppm (0.1% by mass)

Hexavalent Chromium (Cr6+) < 1000 ppm (0.1% by mass)

Polybrominated Biphenyls (PBB) < 1000 ppm (0.1% by mass)

Polybrominated Diphenyl ethers (PBDE) < 1000 ppm (0.1% by mass)

Cadmium (Cd) < 100 ppm (0.01% by mass)

Bis(2-ethylhexyl) phthalate (DEHP) < 1000 ppm (0.1% by mass)

Butyl benzyl phthalate (BBP) < 1000 ppm (0.1% by mass)

Dibutyl phthalate (DBP) < 1000 ppm (0.1% by mass)

Diisobutyl phthalate (DIBP) < 1000 ppm (0.1% by mass)

DIRECTIVE 2002/96/EC ( EEE)

European customers who have purchased this equipment directly from Avtech will have

completed a “ EEE Responsibility Agreement” form, accepting responsibility for EEE

compliance (as mandated in Directive 2002/96/EC of the European Union and local

laws) on behalf of the customer, as provided for under Article 9 of Directive

2002/96/EC.

Customers who have purchased Avtech equipment through local representatives

should consult with the representative to determine who has responsibility for EEE

compliance. Normally, such responsibilities with lie with the representative, unless other

arrangements (under Article 9) have been made.

Requirements for EEE compliance may include registration of products with local

governments, reporting of recycling activities to local governments, and financing of

recycling activities.

FIRM ARE LICENSING

Instruments with firmware versions 5.00 or higher use open-source software internally.

Some of this software requires that the source code be made available to the user as a

condition of its licensing. This source code is available upon request (contact

[email protected]).

Earlier firmware versions do not contain any open source software.

INSTALLATION

VISUAL CHECK

After unpacking the instrument, examine to ensure that it has not been damaged in

shipment. Visually inspect all connectors, knobs, liquid crystal displays (LCDs), and the

handles. Confirm that a power cord, a GPIB cable, and two instrumentation manuals

(this manual and the “Programming Manual for -B Instruments”) are with the instrument.

If the instrument has been damaged, file a claim immediately with the company that

transported the instrument.

PO ER RATINGS

This instrument is intended to operate from 100 - 240 V, 50 - 60 Hz.

The maximum power consumption is 220 atts. Please see the “FUSES” section for

information about the appropriate AC and DC fuses.

This instrument is an “Installation Category II” instrument, intended for operation from a

normal single-phase supply.

CONNECTION TO THE PO ER SUPPLY

An IEC-320 three-pronged recessed male socket is provided on the back panel for AC

power connection to the instrument. One end of the detachable power cord that is

supplied with the instrument plugs into this socket. The other end of the detachable

power cord plugs into the local mains supply. Use only the cable supplied with the

instrument. The mains supply must be earthed, and the cord used to connect the

instrument to the mains supply must provide an earth connection. (The supplied cord

does this.)

arning: Failure to use a grounded outlet may result in injury or death due to

electric shock. This product uses a power cord with a ground connection. It must be

connected to a properly grounded outlet. The instrument chassis is connected to the

ground wire in the power cord.

The table below describes the power cord that is normally supplied with this instrument,

depending on the destination region:

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