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P.O. BOX 265
OGDENSBURG, NY
U.S.A. 13669-0265
A V T E C H
TEL: 888-670-8729 (USA & Canada) or +1-613-686-6675 (Intl)
FAX: 800-561-1970 (USA & Canada) or +1-613-686-6679 (Intl)
info@avtechpulse.com
INSTRUCTIONS
MODEL AVMP-3-C
0 TO 20 VOLTS, 1 MHz
HIGH SPEED PULSE GENERATOR
WITH 200 ps RISE TIME, 300 ps FALL TIME
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
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http://www.avtechpulse.com/
E L E C T R O N I C S
1 9 7 5
BOX 5120, LCD MERIVALE
X
OTTAWA, ONTARIO
CANADA
L T D .
K2C 3H5
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Related Manuals for Avtech AVMP-3-C
Summary of Contents for Avtech AVMP-3-C
- Page 1 FAX: 800-561-1970 (USA & Canada) or +1-613-686-6679 (Intl) OTTAWA, ONTARIO U.S.A. 13669-0265 CANADA K2C 3H5 info@avtechpulse.com http://www.avtechpulse.com/ INSTRUCTIONS MODEL AVMP-3-C 0 TO 20 VOLTS, 1 MHz HIGH SPEED PULSE GENERATOR WITH 200 ps RISE TIME, 300 ps FALL TIME SERIAL NUMBER: ____________...
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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 AVAILABLE OPTIONS....................6 SPECIFICATIONS......................7 REGULATORY NOTES....................8 FCC PART 18.......................... 8 EC DECLARATION OF CONFORMITY..................8 DIRECTIVE 2002/95/EC (RoHS).....................9 DIRECTIVE 2002/96/EC (WEEE)....................9 AC POWER SUPPLY REGULATORY NOTES..............10 INSTALLATION......................11 VISUAL CHECK........................ - Page 4 PCB 126C - OSCILLATOR AND TRIGGER CIRCUIT............31 PCB 231A - INTERNAL DC OFFSET FUNCTION..............32 PCB 241A - PULSE WIDTH CONTROL................33 MAIN WIRING........................34 PERFORMANCE CHECK SHEET................35 Manual Reference: /fileserver1/officefiles/instructword/avmp/AVMP-3-C,edition3.odt. Last modified February 29, 2024. Copyright © 2024 Avtech Electrosystems Ltd, All Rights Reserved.
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Page 5: Introduction
INTRODUCTION The AVMP-3-C is a high performance instrument capable of generating up to 20V into 50Ω loads at repetition rates up to 1 MHz. The rise time is less than 200 ps, and the fall time is less than 300 ps. The pulse width is variable from 8 to 100 ns. -
Page 6: Available Options
AVAILABLE OPTIONS The AVMP-3-C is available with several options: -EA Option: the output amplitude can be controlled by an externally generated 0 to +10V analog control voltage. -ECL Option: the input trigger levels are ECL, rather than TTL. -EO Option: the output offset can be controlled by an externally generated 0 to +10V analog control voltage. -
Page 7: Specifications
5) Add 20% to the rise and fall times if an inverting transformer used. 6) For single polarity units, indicate desired polarity by suffixing model number with -P or -N (i.e. positive or negative). For the dual-polarity AVMP-3-C units, suffix the model number with -P-PN or -N-PN where the suffix preceding -PN indicates the polarity at the mainframe output port . For dual-polarity -B units, simply add suffix -PN. -
Page 8: 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 9: Directive 2002/95/Ec (Rohs)
Directive 2002/95/EC. 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 laws) on behalf of the customer, as provided for under Article 9 of Directive 2002/96/EC. -
Page 10: Ac Power Supply Regulatory Notes
AC POWER SUPPLY REGULATORY NOTES This instrument converts the AC input power to the +24V DC voltage that powers the internal circuitry of this instrument using a Tamura AAD130SD-60-A switching power supply. According to the manufacturer, the Tamura AAD130SD-60-A has the following certifications: UL60950-1 IEC60950 -1... -
Page 11: Installation
INSTALLATION VISUAL CHECK After unpacking the instrument mainframe and the transformer module, examine to ensure that they have not been damaged in shipment. Visually inspect all connectors, knobs, and handles. Confirm that a power cord and an instrumentation manual (this manual), are with the instrument. -
Page 12: 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 13: Environmental Conditions
ENVIRONMENTAL CONDITIONS This instrument is intended for use under the following conditions: 1. indoor use; 2. altitude up to 2 000 m; 3. temperature 5 °C to 40 °C; 4. maximum relative humidity 80 % for temperatures up to 31 °C decreasing linearly to 50 % relative humidity at 40 °C;... -
Page 14: 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 15: 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 16: Front Panel Controls
FRONT PANEL CONTROLS 1) POWER Switch . This is the main power switch. When turning the instrument on, there may be a delay of several seconds before the instrument appears to respond. 2) OVERLOAD Indicator . When the instrument is powered, this indicator is normally green, indicating normal operation. - Page 17 event. This output may be used to trigger oscilloscopes or other equipment. 5) Delay Controls . When the PRF Range Switch is set to one of the four internal oscillator ranges, the main output is advanced or delayed relative to the TRIG output pulse (item 3).
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Page 18: Rear Panel Controls
REAR PANEL CONTROLS OFFSET OFFSET 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. 2. - Page 19 sections in this manual for further details). 8. AMP SWITCH & INPUT . (Present on units with -EA option only.) To control the output amplitude with an external voltage, set the rear-panel switch to the “EXT” position and apply 0 to +10V to the adjacent connector (R ≥...
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Page 20: General Information
GENERAL INFORMATION BASIC TEST ARRANGEMENT The AVMP-3-C should be tested with a sampling oscilloscope with a bandwidth of at least 10 GHz to properly observe the high-speed waveform. (The cables and attenuators must also have a bandwidth of at least 10 GHz.) A typical test arrangement... -
Page 21: Main Output
200 ns, FIXED TRIG (generated by the 2V, FIXED internal oscillator) DELAY PULSE WIDTH AMPLITUDE, VARIABLE MAIN OUTPUT When the ADVANCE/DELAY switch is set to “DELAY”, the TRIG output occurs after the main output. This illustrated below: 200 ns, FIXED TRIG (generated by the 2V, FIXED... -
Page 22: Polarity Inversion
POLARITY INVERSION Instruments with the "-P-PN" suffix generate 0 to +20V at the main output, and are supplied with an AVX-3 inverting transformer that can be installed on the mainframe output. A negative pulse is then obtained at the out port of the AVX-3 module. Instruments with the "-N-PN"... -
Page 23: Minimizing Waveform Distortions
PREVENTING DAMAGE The AVMP-3-C may fail if triggered at a PRF greater than 1 MHz. This unit is designed to operate into a load impedance of 50 Ohms and the output stage will be damaged if it is operated into an open circuit (or any other high impedance). -
Page 24: 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 25: 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 26: Wiring Diagrams
WIRING DIAGRAMS WIRING OF AC POWER M a in s c i r c u it s - h a z a r d o u s li v e . D o n o t a t te m p t a n y r e p a i r s o n t h i s i n s t r u m e n t b e y o n d t h e f u s e r e p l a c e m e n t p r o c e d u r e s d e s c r i b e d i n t h e m a n u a l . -
Page 27: Pcb 158N - Low Voltage Power Supply, 1/3
PCB 158N - LOW VOLTAGE POWER SUPPLY, 1/3 p c b 1 5 8 N _ o v p p c b 1 5 8 N _ o v p . s c h + 1 5 V + 1 5 V + 1 5 V B U + B U +... -
Page 28: Pcb 158N - Low Voltage Power Supply, 2/3
PCB 158N - LOW VOLTAGE POWER SUPPLY, 2/3 8 3 0 8 3 5 F U S E H O L D E R 6 4 0 4 4 5 - 6 T P 6 T P 3 T E S T - L O O P T E S T - L O O P S 1 A S 1 B , O R D C... -
Page 29: Pcb 158N - Low Voltage Power Supply, 3/3
PCB 158N - LOW VOLTAGE POWER SUPPLY, 3/3 R 2 1 1 . 5 K o r 1 . 8 K O Y C A P B A N K R 2 6 1 5 K C 2 3 1 0 0 0 u F , 3 5 V ( P 5 1 6 9 - N D ) L 6 2 7 1 1 H V W A R N I N G R 1 7... -
Page 30: Pcb 235A - High Voltage Dc Power Supply
PCB 235A - HIGH VOLTAGE DC POWER SUPPLY... -
Page 31: Pcb 126C - Oscillator And Trigger Circuit
PCB 126C - OSCILLATOR AND TRIGGER CIRCUIT U 1 D ( O P T I O N A L ) M T A - 8 1 0 6 D - W W V C C C 1 2 C 1 0 S W 2 C 1 6 A D V... -
Page 32: Pcb 231A - Internal Dc Offset Function
PCB 231A - INTERNAL DC OFFSET FUNCTION... -
Page 33: Pcb 241A - Pulse Width Control
PCB 241A - PULSE WIDTH CONTROL... -
Page 34: Main Wiring
MAIN WIRING C O N N 1 I F N O -O T O R - E O G N D G N D G N D J 1 0 + 2 4 V , N O O L O O F F S W 1 + 2 4 V , N O O L O... -
Page 35: Performance Check Sheet
PERFORMANCE CHECK SHEET...
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