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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
W 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
Tel: 888-670-8729 (USA & Canada) or +1-613-686-6675 (Intl)
BOX 5120, LCD MERIVALE
http://www.avtechpulse.com/
Fax: 800-561-1970 (USA & Canada) or +1-613-686-6679 (Intl)
OTTAWA, CANADA K2C3H5
INSTRUCTIONS
MODEL AV-1023-C
±10 VOLT, 10 MHz
DUAL-CHANNEL
GENERAL PURPOSE PULSE GENERATOR
SERIAL NUMBER:
13964
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Summary of Contents for Avtech AV-1023-C
- Page 1 Tel: 888-670-8729 (USA & Canada) or +1-613-686-6675 (Intl) BOX 5120, LCD MERIVALE http://www.avtechpulse.com/ Fax: 800-561-1970 (USA & Canada) or +1-613-686-6679 (Intl) OTTAWA, CANADA K2C3H5 INSTRUCTIONS MODEL AV-1023-C ±10 VOLT, 10 MHz DUAL-CHANNEL GENERAL PURPOSE PULSE GENERATOR SERIAL NUMBER: 13964...
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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 INSTALLATION......................10 VISUAL CHECK........................10 POWER RATINGS........................10 CONNECTION TO THE POWER SUPPLY................10 PROTECTION FROM ELECTRIC SHOCKs.................11 ENVIRONMENTAL CONDITIONS..................12 FUSES..........................13 AC FUSE REPLACEMENT....................13... - Page 4 PCB 134B - MAIN BOARD - AMPLITUDE A................32 PCB 134B - MAIN BOARD - AMPLITUDE B................33 PCB 134B - MAIN BOARD - FRONT PANEL...............34 PERFORMANCE CHECK SHEET.................35 Manual Reference: /fileserver2/officefiles/instructword/av-1020/av-1023-c,ed4.odt. Last modified March 25, 2020. Copyright © 2020 Avtech Electrosystems Ltd, All Rights Reserved.
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Page 5: Introduction
INTRODUCTION The Avtech AV-1023-C is a versatile, general-purpose, low-cost, dual-channel 10 MHz laboratory pulse generator, useful everywhere from undergraduate university classrooms to the most advanced research and development laboratories. This pulse generator features variable pulse repetition frequency (PRF), delays, pulse widths, and amplitudes. -
Page 6: Specifications
SPECIFICATIONS Model: AV-1023-C Number of channels out: Pulse Repetition Rate: 1 Hz to 10 MHz Amplitude (to 50 Ohms): 0 to ± 10 V (± 5 V if Z = 50 Ω) Pulse width (FWHM): 50 ns to 0.5 sec Rise &... -
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 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.
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Page 10: 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 11: Protection From Electric Shocks
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
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 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 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 16 10 kHz - 100 kHz 100 kHz - 1 MHz 1 MHz - 10 MHz 5. REPETITION RATE inner knob . This varies the pulse repetition rate within the selected range. 6. PULSE DELAY A outer knob . This selects one of the seven delay ranges for channel "A": 0.05 ms - 0.5 ms 0.5 ms - 5 ms...
- Page 17 15. AMPLITUDE A inner knob . This varies the output amplitude of channel "A" between 0 and 10 Volts. 16. AMPLITUDE B outer knob . This switch selects the output polarity (positive or negative) of channel "B". 17. AMPLITUDE B inner knob . This varies the output amplitude of channel "B" between 0 and 10 Volts.
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Page 18: Rear Panel Controls
REAR PANEL CONTROLS 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: 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, three output channels respond to the trigger: A, B, and SYNC. A . This is the main signal for left OUT connector. The pulse width, amplitude, and offset are all adjustable. -
Page 20: Summing Outputs
The next figure illustrates the relationship between the signals when an external TTL- level trigger is used (i.e., the INT/EXT switch is set to “EXT”): > 40 ns 3-5V, TTL LEVELS TRIG input PROPAGATION DELAY 50 ns, FIXED SYNC OUT (generated by the 2V, FIXED internal oscillator) -
Page 21: Output Impedance
NORM/COMP MODES The pulses of channels A and B may be of either polarity (i.e. positive or negative). In addition, the NORM/COMP switches allow pulses to be inverted logically - the high and low voltages can be swapped. This is illustrated below. +10V Norm Norm... -
Page 22: Minimizing Waveform Distortions
MINIMIZING WAVEFORM DISTORTIONS USE 50 Ω TRANSMISSION LINES Connect the load to the pulse generator with 50Ω transmission lines (e.g. RG-58 or RG- 174 cable). If possible, use a 50Ω load. If the actual device under test has a high impedance, consider adding a 50Ω... -
Page 23: 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 24: 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 25: Wiring Diagrams
WIRING DIAGRAMS WIRING OF AC POWER M a ins circuits - ha z ard ou s live . Do not attem pt any repairs on this instrument bey ond the fuse replacement procedures described in the m anual. Contact Av tech if the instrument A3 - BLACK requires serv icing. -
Page 26: Pcb 158R4 - Low Voltage Power Supply
PCB 158R4 - LOW VOLTAGE POWER SUPPLY... -
Page 27: Pcb 134B - Main Board
PCB 134B - MAIN BOARD power osc-fixed timingA amplA power.sch osc-fixed.sch timingA.sch amplA.sch +15V +15V +15V +15V +15V +15V +15V +15V +15V SUM -A SUM -A -15V -15V -15V -15V -15V -15V -15V -15V -15V -5.2V -5.2V -5.2V TRIG TRIG TRIG TRIG -5.2V... -
Page 28: Pcb 134B - Main Board - Dc Power
PCB 134B - MAIN BOARD - DC POWER 6-32 MOUNT 6-32 MOUNT 6-32 MOUNT 6-32 MOUNT +15V +15V -15V -15V -5.2V -5.2V CON9 +15V 47uF,50V,P5570-ND 47uF,50V,P5570-ND -15V -5.2V 47uF,50V,P5570-ND 47uF,50V,P5570-ND Title A V-1 02 3 -C PO W E R S UP P LY Date Revisi on 2 4-M ar-20 2 0... -
Page 29: Pcb 134B - Main Board - Oscillator
PCB 134B - MAIN BOARD - OSCILLATOR +15V +15V M PQ6002 M PQ6002 +15V -15V -15V BA SED O N A V-1000-C OSCILLA TOR 0.1uF 2.2uF 1N6263 2N4208 OR CM 4209, M AYBE 2N2907, RAISE SLIGHTLY AND SOLDER CASE TO TOP GND 2.2uF 1N4148 2N5109... -
Page 30: Pcb 134B - Main Board - Timing A
PCB 134B - MAIN BOARD - TIMING A TRIG Cext Rext/Cext 74221 1.5K 47uF,50V,P5570-ND 0.1uF 0.1uF 22pF 25K POT G5V-1-12VDC G5V-1-12VDC G5V-1-12VDC G5V-1-12VDC G5V-1-12VDC G5V-1-12VDC 270pF 1800+1000+220pF 22000+6800+3300pF 0.22+0.1uF 2.2uF+1.0uF 22+10uF TTL-A Cext COM PL-A Rext/Cext 74ACT86 74221 LOW FOR NORM 1.5K 22pF 25K POT... -
Page 31: Pcb 134B - Main Board - Timing B
PCB 134B - MAIN BOARD - TIMING B U10A TRIG Cext Rext/Cext 74221 1.5K 47uF,50V,P5570-ND 0.1uF 22pF 25K POT G5V-1-12VDC G5V-1-12VDC G5V-1-12VDC G5V-1-12VDC G5V-1-12VDC G5V-1-12VDC 270pF 1800+1000+220pF 22000+6800+3300pF 0.22+0.1uF 2.2uF+1.0uF 22+10uF U10B TTL-B Cext COM PL-B Rext/Cext 74ACT86 74221 LOW FOR NORM 1.5K 22pF 25K POT... -
Page 32: Pcb 134B - Main Board - Amplitude A
PCB 134B - MAIN BOARD - AMPLITUDE A +15V +15V -15V -15V -5.2V 7.5K 1.5K 1.5K 2K POT -5.2V -5.2V -5.2V 0.1uF 0.1uF TTL-A 1.5K +15V POL-A 1.2K HFA1130IBZ 0.1uF HFA1130IBZ G5V-1-12VDC 0.1uF 0.1uF SENS9 -5.2V BUF634P -5.2V 250 OHM PEC POT -5.2V 0.1uF -15V... -
Page 33: Pcb 134B - Main Board - Amplitude B
PCB 134B - MAIN BOARD - AMPLITUDE B +15V +15V -15V -15V -5.2V 7.5K 1.5K 1.5K 47uF,50V,P5570-ND 2K POT -5.2V -5.2V -5.2V 0.1uF 0.1uF TTL-B 1.5K +15V POL-B 1.2K HFA1130IBZ 0.1uF HFA1130IBZ G5V-1-12VDC 0.1uF 0.1uF SENS3 -5.2V BUF634P -5.2V 250 OHM PEC POT -5.2V 0.1uF -15V... -
Page 34: Pcb 134B - Main Board - Front Panel
PCB 134B - MAIN BOARD - FRONT PANEL 10 M Hz 1 MHz 100 kHz 10 kHz 1 kHz 100 Hz 10 Hz DLY A 0.5 us SW10 5 us 50 us 500 us 5 ms 50 ms 0.5 sec PW A 0.5 us SW11... -
Page 35: Performance Check Sheet
PERFORMANCE CHECK SHEET...
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