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info@avtechpulse.com
http://www.avtechpulse.com/
A V T E C H
Tel: 888-670-8729 (USA & Canada)
or +1-613-686-6675 (Worldwide)
INSTRUCTIONS
MODEL AVP-AV-1-B
10 VOLT, 1 MHz
HIGH PERFORMANCE PULSE GENERATOR
WITH IEEE 488.2 AND RS-232 CONTROL
SERIAL NUMBER:
E L E C T R O S Y S T E M S
N A N O S E C O N D
W A V E F O R M
S I N C E
14175
E L E C T R O N I C S
1 9 7 5
BOX 5120, LCD MERIVALE
OTTAWA, CANADA K2C3H5
L T D .
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Related Manuals for Avtech AVP-AV-1-B
Summary of Contents for Avtech AVP-AV-1-B
- Page 1 1 9 7 5 info@avtechpulse.com Tel: 888-670-8729 (USA & Canada) BOX 5120, LCD MERIVALE http://www.avtechpulse.com/ or +1-613-686-6675 (Worldwide) OTTAWA, CANADA K2C3H5 INSTRUCTIONS MODEL AVP-AV-1-B 10 VOLT, 1 MHz HIGH PERFORMANCE PULSE GENERATOR WITH IEEE 488.2 AND RS-232 CONTROL SERIAL NUMBER: 14175...
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Page 2: Warranty
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. -
Page 3: Table Of Contents
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 2002/96/EC (WEEE)....................8 FIRMWARE LICENSING......................9 INSTALLATION......................10 VISUAL CHECK........................10 POWER RATINGS........................ 10 CONNECTION TO THE POWER SUPPLY................10 PROTECTION FROM ELECTRIC SHOCK................11 ENVIRONMENTAL CONDITIONS..................12 LABVIEW DRIVERS...................... - Page 4 PCB 216F - PW/PRF TWEAK....................36 PCB 151D - RANGE / POLARITY RELAY BOARD..............37 PCB 104G - KEYPAD / DISPLAY BOARD................38 MAIN WIRING........................39 PERFORMANCE CHECKSHEET..................40 Manual Reference: /fileserver2/officefiles/instructword/avp/AVP-AV-1-B,ed14.odt. Last modified November 4, 2021. Copyright © 2021 Avtech Electrosystems Ltd, All Rights Reserved.
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Page 5: Introduction
"-N" model suffix can generate up to -10V. Instruments with the "-PN" suffix can generate both polarities. The AVP-AV-1-B is a highly flexible instrument. Aside from the internal trigger source, it can also be triggered or gated by external TTL-level signals. A front-panel pushbutton or a computer command can also be used to trigger the instrument. -
Page 6: Specifications
4) For externally applied DC offset option suffix model number with -OS. The Avtech AVX-T bias tee can also be used to obtain DC offset. For internally generated DC offset option (0 to ±5V) add the suffix -OT to the model number. -
Page 7: Regulatory Notes
If interference is observed, check that appropriate well-shielded cabling is used on the output connectors. Contact Avtech (info@avtechpulse.com) 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. -
Page 8: Directive 2011/65/Eu (Rohs)
< 1000 ppm (0.1% by mass) DIRECTIVE 2002/96/EC (WEEE) European customers who have purchased this equipment directly from Avtech will have completed a “WEEE Responsibility Agreement” form, accepting responsibility for WEEE compliance (as mandated in Directive 2002/96/EC of the European Union and local... -
Page 9: Firmware Licensing
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 WEEE compliance. Normally, such responsibilities with lie with the representative, unless other arrangements (under Article 9) have been made. -
Page 10: Installation
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. -
Page 11: Protection From Electric Shock
5. Do not attempt any repairs on the instrument, beyond the fuse replacement procedures described in this manual. Contact Avtech technical support (see page 2 for contact information) if the instrument requires servicing. Service is to... -
Page 12: Environmental Conditions
6. no pollution or only dry, non-conductive pollution. LABVIEW DRIVERS A LabVIEW driver for this instrument is available for download on the Avtech web site, at http://www.avtechpulse.com/labview. A copy is also available in National Instruments' Instrument Driver Library at http://www.natinst.com/. -
Page 13: Fuses
FUSES This instrument contains four fuses. All are accessible from the rear-panel. Two protect the AC prime power input, and two protect the internal DC power supplies. The locations of the fuses on the rear panel are shown in the figure below: Fuses #1 and #2 Fuse #4 Fuse #3... -
Page 14: Dc Fuse Replacement
DC FUSE REPLACEMENT The DC fuses may be replaced by inserting the tip of a flat-head screwdriver into the fuse holder slot, and rotating the slot counter-clockwise. The fuse and its carrier will then pop out. FUSE RATINGS The following table lists the required fuses: Recommended Replacement Part Nominal Fuses... -
Page 15: Front Panel Controls
FRONT PANEL CONTROLS 1. POWER Switch . This is the main power switch. When turning the instrument on, there is normally a delay of 10 seconds before anything is shown on the main display, as the internal operating system boots up. If the main menu does not appear after 30 seconds, turn off the instrument and leave it off for at least 60 seconds before applying power again. - Page 16 detail. 6. KEYPAD . Control Name Function MOVE This moves the arrow pointer on the display. CHANGE This is used to enter the submenu, or to select the operating mode, pointed to by the arrow pointer. ×10 If one of the adjustable numeric parameters is displayed, this increases the setting by a factor of ten.
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Page 17: Rear Panel Controls
REAR PANEL CONTROLS GATE TRIG RS-232 GPIB Note: some connectors may be in different positions than shown above, depending on the exact combination of options ordered. 1. AC POWER INPUT . An IEC-320 C14 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. - Page 18 6. GPIB Connector . A standard GPIB cable can be attached to this connector to allow the instrument to be computer-controlled. See the “Programming Manual for -B Instruments” for more details on GPIB control. 7. RS-232 Connector. A standard serial cable with a 25-pin male connector can be attached to this connector to allow the instrument to be computer-controlled.
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Page 19: General Information
GENERAL INFORMATION BASIC PULSE CONTROL This instrument can be triggered by its own internal clock or by an external TTL trigger signal. In either case, two output channels respond to the trigger: OUT and SYNC. OUT. This is the main output. ... -
Page 20: Trigger Modes
The next figure illustrates the relationship between the signals when an external TTL- level trigger is used: > 50 ns TRIG TTL LEVELS (external input) (0V and 3V-5V) PROPAGATION DELAY (FIXED) 100 ns, FIXED SYNC OUT 3V, FIXED DELAY > 0 PULSE WIDTH AMPLITUDE, VARIABLE... -
Page 21: Gating Modes
Avtech recommends the BW-SxxW2+ series of 18 GHz coaxial attenuators from Mini- Circuits, http://www.minicircuits.com/. (The “xx” in the part number is replaced with the... -
Page 22: Optional Features
OPTIONAL FEATURES RACK MOUNTING, "-R5" OPTION A rack mounting kit is available. The "-R5" rack mount kit may be installed after first removing the one Phillips screw on the side panel adjacent to the front handle. DC OFFSET, "-OS" OPTION This option adds a bias tee circuit on the output, with a rear-panel “OS”... -
Page 23: Protecting Your Instrument
PROTECTING YOUR INSTRUMENT TURN OFF INSTRUMENT WHEN NOT IN USE The lifetime of the switching elements in the pulse generator module is proportional to the running time of the instrument. For this reason the prime power to the instrument should be turned off when the instrument is not in use. In the case of failure, the switching elements are easily replaced following the procedure described in a following section. -
Page 24: Operational Check
Then read the “Local Control” section of the “Programming Manual for -B Instruments” thoroughly. The “Local Control” section describes the front panel controls used in this operational check - in particular, the MOVE, CHANGE, and ADJUST controls. SAMPLING AVTECH OSCILLOSCOPE PULSER BW > 10 GHz MAIN OUTPUT... - Page 25 2. Turn on the AVP-AV-1-B. The main menu will appear on the LCD. 3. To set the AVP-AV-1-B to trigger from the internal clock at a PRF of 10 kHz: a) The arrow pointer should be pointing at the frequency menu item. If it is not, press the MOVE button until it is.
- Page 26 a) Press the MOVE button until the arrow pointer is pointing at the output menu item. b) Press the CHANGE button. The output submenu will appear. c) Press MOVE until the arrow pointer is pointing at the “ON” choice. d) Press CHANGE to return to the main menu. 8.
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Page 27: Programming Your Pulse Generator
PROGRAMMING YOUR PULSE GENERATOR KEY PROGRAMMING COMMANDS The “Programming Manual for -B Instruments” describes in detail how to connect the pulse generator to your computer, and the programming commands themselves. A large number of commands are available; however, normally you will only need a few of these. -
Page 28: All Programming Commands
These commands will satisfy 90% of your programming needs. ALL PROGRAMMING COMMANDS For more advanced programmers, a complete list of the available commands is given below. These commands are described in detail in the “Programming Manual for -B Instruments”. (Note: this manual also includes some commands that are not implemented in this instrument. - Page 29 :BAUD 1200 | 2400 | 4800 | 9600 | 19200 | 38400 | 57600 | 115200 :ERRor :[NEXT]? [query only] :COUNT? [query only] :VERSion? [query only] TRIGger: :SOURce INTernal | EXTernal | MANual | HOLD | IMMediate *CLS [no query form] *ESE <numeric value>...
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Page 30: Mechanical Information
There are no user-adjustable internal circuits. For repairs other than fuse replacement, please contact Avtech (info@avtechpulse.com) to arrange for the instrument to be returned to the factory for repair. Service is to be performed solely by qualified service personnel. -
Page 31: Maintenance
MAINTENANCE REGULAR MAINTENANCE This instrument does not require any regular maintenance. On occasion, one or more of the four rear-panel fuses may require replacement. All fuses can be accessed from the rear panel. See the “FUSES” section for details. CLEANING If desired, the interior of the instrument may be cleaned using compressed air to dislodge any accumulated dust. -
Page 32: Wiring Diagrams
WIRING DIAGRAMS WIRING OF AC POWER... -
Page 33: Pcb 158R5 - Low Voltage Power Supply
PCB 158R5 - LOW VOLTAGE POWER SUPPLY... -
Page 34: Pcb 235C - High Voltage Dc Power Supply
PCB 235C - HIGH VOLTAGE DC POWER SUPPLY... -
Page 35: Pcb 231A - Internal Offset Generator
PCB 2 31A - INTERNAL OFFSET GENERATOR... -
Page 36: Pcb 216F - Pw/Prf Tweak
PCB 216F - PW/PRF TWEAK... -
Page 37: Pcb 151D - Range / Polarity Relay Board
PCB 151 D - RANGE / POLARITY RELAY BOARD... -
Page 38: Pcb 104G - Keypad / Display Board
PCB 104G - KEYPAD / DISPLAY BOARD... -
Page 39: Main Wiring
MAIN WIRING... -
Page 40: Performance Checksheet
PERFORMANCE CHECKSHEET...
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