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Summary of Contents for Avtech AVR-5B-B-N-LUB
- Page 1 INSTRUCTIONS MODEL AVR-5B-B-N-LUB 0 TO -500 V, 1 kHz DUAL CHANNEL PULSE GENERATOR WITH IEEE 488.2 AND RS-232 CONTROL SERIAL NUMBER: ____________...
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Page 2: Warranty
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. -
Page 3: Table Of Contents
BASIC PULSE CONTROL__________________________________________________________10 TRIGGER MODES________________________________________________________________11 GATING MODES_________________________________________________________________11 PREVENTING OUTPUT STAGE FAILURE__________________________________________12 TOP COVER REMOVAL___________________________________________________________12 ELECTROMAGNETIC INTERFERENCE____________________________________________12 RACK MOUNTING________________________________________________________________12 OPERATIONAL CHECK_______________________________________________________13 PROGRAMMING YOUR PULSE GENERATOR____________________________________16 KEY PROGRAMMING COMMANDS________________________________________________16 ALL PROGRAMMING COMMANDS________________________________________________17 PERFORMANCE CHECK SHEET_______________________________________________19 Manual Reference: /fileserver1/officefiles/instructword/avr-5/AVR-5B-B-N-LUB.doc, created October 1, 1999... -
Page 4: Introduction
Rise and fall times are fixed at less than 200 ns. The AVR-5B-B-N-LUB 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. -
Page 5: Specifications
SPECIFICATIONS Model: AVR-5B-B-N-LUB Output channels: Amplitude: 0 to -500 Volts, to R 1 M, C < 100 pF Pulse width: 10 s to 2 seconds Rise time: 200 ns Fall time: 200 ns PRF: 0.1 Hz to 1 kHz Max. -
Page 6: Installation
INSTALLATION VISUAL CHECK After unpacking the instrument mainframe and the output module, examine to ensure that they have not been damaged in shipment. Visually inspect all connectors, knobs, liquid crystal displays (LCDs), and the handles. Confirm that a power cord and two instrumentation manuals (this manual and the “OP1B Interface Programming Manual”) are with the instrument. -
Page 7: Front Panel Controls
The push button lamp (#382 type) is connected to the +15V DC supply. 2. OVERLOAD . The AVR-5B-B-N-LUB is protected in its internal software against conflicting or dangerous settings. As an additional protective measure, an automatic overload circuit exists, which controls the front panel overload light. - Page 8 4. OUT 2 CONNECTOR . This SHV-type connector provides the Channel 2 output to a 1 M (or higher) load. 5. 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.
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Page 9: Rear Panel Controls
REAR PANEL CONTROLS 1. AC POWER INPUT . A three-pronged recessed male connector is provided on the back panel for AC power connection to the instrument. Also contained in this assembly is a 2.0A slow blow fuse and a removable card that can be removed and repositioned to switch between 120V AC in and 240V AC in. -
Page 10: General Information
GENERAL INFORMATION BASIC PULSE CONTROL This instrument can be triggered by several sources - its own internal clock, an external TTL trigger signal, the front-panel “SINGLE PULSE” pushbutton, or by a computer- generated command. In any case, three output channels respond to the trigger: OUT 1, OUT 2, and SYNC. -
Page 11: Trigger Modes
Basic Output Pulses for Delay < 0 The delay, pulse width, and frequency (when in the internal mode), of the OUT pulse can be varied with front panel controls or via the GPIB or RS-232 computer interfaces. TRIGGER MODES This instrument has four trigger modes: ... -
Page 12: Preventing Output Stage Failure
Triggering can be suppressed by a TTL-level signal on the rear-panel GATE connector. The instrument can be set to stop triggering when this input high or low, using the front- panel gate menu or the appropriate programming commands. PREVENTING OUTPUT STAGE FAILURE The output stage is protected against overload condition by the overload module and a 1.0 A slow blow fuse on the main frame back panel. -
Page 13: Operational Check
3. Turn on the AVR-5B-B-N-LUB. The main menu will appear on the LCD. 4. To set the AVR-5B-B-N-LUB to trigger from the internal clock at a PRF of 100 Hz: The arrow pointer should be pointing at the frequency menu item. If it is not, press the MOVE button until it is. - Page 14 The arrow pointer should be pointing at the “Internal” choice. If it is not, press MOVE until it is. Press CHANGE to return to the main menu. 5. To set the delay to 20 s: Press the MOVE button until the arrow pointer is pointing at the delay menu item. ...
- Page 15 Press the CHANGE button. The amplitude submenu will appear. Rotate the ADJUST knob until the amplitude is set at -200V. Observe the oscilloscope. You should see 50 s wide, -200V pulses. Rotate the ADJUST knob. The amplitude as seen on the oscilloscope should vary.
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Page 16: Programming Your Pulse Generator
PROGRAMMING YOUR PULSE GENERATOR KEY PROGRAMMING COMMANDS The “OP1B Interface Programming Manual” 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 17: All Programming Commands
output on (turns on the output) 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 “OP1B Interface Programming Manual”. - Page 18 :CONDition? [query only, always returns "0"] :ENABle <numeric value> [implemented but not useful] SYSTem: :COMMunicate :GPIB :ADDRess <numeric value> :SERial :CONTrol :RTS ON | IBFull | RFR :[RECeive] :BAUD 1200 | 2400 | 4800 | 9600 :BITS 7 | 8 :ECHO <boolean value>...
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Page 19: Performance Check Sheet
PERFORMANCE CHECK SHEET...
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