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BNC 505 Operating Manual

Pulse generator
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  • Page 1 Artisan Technology Group is your source for quality new and certified-used/pre-owned equipment SERVICE CENTER REPAIRS WE BUY USED EQUIPMENT • FAST SHIPPING AND DELIVERY Experienced engineers and technicians on staff Sell your excess, underutilized, and idle used equipment at our full-service, in-house repair center We also offer credit for buy-backs and trade-ins •...
  • Page 2 505 Pulse Generator Operating Manual Berkeley Nucleonics Corporation 2955 Kerner Blvd. San Rafael, CA 94901-5418 (415)453-9955 phone (415)453-9956 fax www.berkeleynucleonics.com May 2005 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...

  • Page 3: Table Of Contents

    Warranty ......................2 Package Contents ....................2 Safety Issues .......................3 2 Front Panel Overview ..........5 505 Front Panels ....................6 Display Layout and Indicators ...................... 6 Keypads .............................. 6 3 Pulse Concepts & Pulse Generator Operation ..9 Counter Architecture Overview ....................10 System Timer Functions .......................10...
  • Page 4 MODE Menu ............................18 TRIG/GATE Menu .........................18 SYSTEM Menu ..........................19 SETUP Menu ..........................19 5 Operating the 505 ............ 21 Quick Start - Normal Internal Rate Generator Operation ......22 Quick Start - Normal External Trigger Operation ........22 System Timer Overview ..................23 To Use Continuous Mode ......................23 To Use Single Shot Mode ......................23...
  • Page 5 SCPI Specific and Implied Channel .............32 SCPI Parameter Types ...................32 Error Codes .......................33 Programming Examples .................33 505 SCPI Command Summary ..............34 505 SCPI Command Summary ..............35 505 SCPI Command Summary ..............36 505 SCPI Command Summary ..............37 IEEE 488.2 Common Commands ..............38 Appendix ..............

  • Page 6: Introduction

    Introduction Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...

  • Page 7: Technical Support

    This manual is a reference designed to familiarize you with the Berkeley Nucle- onics 505 pulse generator and is arranged so that you can easily find the infor- mation you’re looking for. Generally, each topic has its own section, and no section assumes that you’ve read anything else in the manual.

  • Page 8: Safety Issues

    Safety Issues Normal use of test equipment presents a certain amount of danger from electri- cal shock because testing must be performed where exposed voltage is present. An electrical shock causing 10 milliamps of current to pass through the heart will stop most human heartbeats.
  • Page 9 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...

  • Page 10: Front Panel Overview

    Front Panel Overview Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...

  • Page 11: 505 Front Panels

    Front Panel Overview BNC 505 Front Panels Display Layout and Indicators A 2 line x 16 character, backlit LCD display module displays all system param- eters and status information. The status information is located in the upper-right corner of the display. There are two enunciators: •...
  • Page 12 NEXT key, selecting the next parameter in the currently displayed menu. • Channel Outputs The pulse generator output is available from BNC con- nectors on the front panel. The output is adjustable from 2V to 20V into a high impedance load. The drive impedance is 50 ohm, so if the load is 50 ohm the out- put voltage will be one-half of the set voltage.
  • Page 13 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 14 Pulse Concepts and Pulse Generator Operations Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...

  • Page 15: Pulse Concepts & Pulse Generator Operation

    Pulse Concepts and Pulse Generator Operation Counter Architecture Overview Internal System Tim er Internal Gate and S ystem Mode To Pulse Start Generator Command External Input Start Output Output Gate Channel Timers and Channel Pulses Mode Generators * Start source is: RUN button in Internal Modes External input in External trigger modes.

  • Page 16: Channel Timer Functions

    (using the external trigger input). Dependent & Independent Timing Events The 505 allows the user to control the relationship between the Channel Timers by setting the sync source for each timer. Independent events are all timed relative to the internal T start pulse.

  • Page 17: Numeric Input Mode

    Numeric Input Mode When the current item is numeric, the system enters the Numeric Input Mode. In this mode data may be edited in one of two ways. Using the arrow keypad, the Left and Right arrow keys are used to select a digit to edit. The selected digit blinks to identify itself as the active digit.

  • Page 18: Configuration

    Configuration # The configuration # specifies the location to store the current system configura- tion. Numbers range from 1 to n, where "n" is the number of stored configura- tions. *NOTE: The number of storage locations is model dependent; see the specifi- cations for your model.

  • Page 19: Enabling External Gate Control

    Enabling External Gate Control • EXTin Selects external input usage for controlling T : dis- abled, edge triggered or level gated. *NOTE: When the gate disables the System Timer, the timer is reset. The gate edge, to enable the timer, will restart the System Timer, which synchro- nizes the T pulse to the gate and minimizes jitter relative to the gate.

  • Page 20: Setting Key And Knob Volume

    Setting Key and Knob Volume • Key Volume Sets the key click volume. • Knob Volume Sets the parameter adjustment knob click volume. Setting Pulse Timing Parameters Within the CHANNEL menu, set the delay until the start of a pulse and the pulsewidth: •...

  • Page 21: Setting Pulse Gate Control

    This allows other channels to be run continuously without interruption while generating individual pulses or a burst of pulses on the single shot or burst mode channels. Setting Pulse Gate Control Enables the use of the external input to gate the channel output (within the CHANNEL menu): •...
  • Page 22 • AutoStart Disable or enable the autostart feature. Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 23 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...

  • Page 24: 505 Menus

    505 Menus Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...

  • Page 25: Channel Menu

    505 Menus 505 Menu Structure CHANNEL Menu Channel Disable/enable channel output. Sync Select sync source. Delay Sets delay from sync source until pulse is started. Width Sets width of active portion of pulse. Mode Selects the channel timer mode. #/Burst Sets the number of pulses in the burst mode.

  • Page 26: System Menu

    SYSTEM Menu Baud Rate Selects the RS232 baud rate. Comm Echo Enables RS232 input echo. GPIB Addr Sets the GPIB address. Key Vol Sets the key beep volume, 0 is off. Key Rate Sets the key repeat rate. Knob Vol Sets the knob beep volume.
  • Page 27 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...

  • Page 28: Operating The 505

    Operating the 505 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...

  • Page 29: Quick Start - Normal Internal Rate Generator Operation

    Quick Start - Normal Internal Rate Generator Operation The 505 has a powerful set of functions providing a number of modes of opera- tion. Most of these functions can be ignored if all one wants to do is generate a simple continuous stream of pules.

  • Page 30: System Timer Overview

    Press the STOP key to stop/disarm the instrument (i.e. to stop generating pulses). System Timer Overview For internal operation, the 505 contains a timer and mode generator which generates an internal T clock that is used to trigger all the channel timers. The period and the modes are controlled via the MODE menu.

  • Page 31: To Use Duty Cycle Mode

    Pressing the RUN key will now generate a stream of “n” pulses, at a rate speci- fied by the period parameter. To Use Duty Cycle Mode To generate a stream of pulses which oscillates on for “n” pulses and off for “m” pulses - within the MODE menu set the following parameters: Mode Select Duty Cycle for the system mode.

  • Page 32: To Use Channel Burst Mode Function

    To Use Channel Burst Mode Function The Burst mode generates a burst of pulses every time the RUN key is pressed. If the unit is in the active, (i.e. channels which are set to the Normal mode are producing pulses), pressing the RUN key will reset the Burst counters and gener- ate a new set of pulses in sync with the other channels running in the Normal mode.

  • Page 33: To Generate A Pulse On Every Trigger Input

    To Generate a Pulse on Every Trigger Input To generate a pulse on every external trigger received, set the following param- eters: - within the Mode menu: Mode Select the Single Shot mode. - within the TRIG/GATE menu: EXTin Select Triggered mode. Level Set the trigger threshold level.

  • Page 34: To Use The External Gate To Control The System

    - within the TRIG/GATE menu: EXTin Select Triggered mode. Level Set the trigger threshold level. Edge Select which edge, rising or falling, to trigger on. Pressing the RUN key will arm the unit. Once the unit is armed, it will begin generating pulses after an external trigger is received.
  • Page 35 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...

  • Page 36: Programming The 505

    Programming the 505 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...

  • Page 37: Talking To The Pulse Generator

    The syntax is the same for both interfaces. RS232 Interface Overview The serial port is located on the back of the 505 and uses a 9-pin D-type con- nector with the following pinout (as viewed from the back of the unit): No Connection...

  • Page 38: Programming Command Types And Format

    Programming Command Types and Format The 505 Pulse Generators use two types of programming commands: IEEE 488.2 Common Commands and Standard Commands for Programmable Instruments (SCPI). The format is the same for both the RS232 interface and the optional IEEE 488 interface. Hyperterminal (in Windows) or any other generic terminal program may be used to interactively test the commands using the RS232 interface.

  • Page 39: Scpi Keyword Separator

    Any parameter may be queried by sending the command with a question mark appended. For example: :PULSE1:STATE? Will return: 1 <cr><lf> :PULSE1:WIDT? <cr><lf> Will return: 0.000120000 <cr><lf> :PULSE1:POL? <cr><lf> Will return: NORM <cr><lf> SCPI Keyword Separator A colon (:) must always separates one keyword from the next lower-level key- word.

  • Page 40: Error Codes

    <boolean value> Represents a single binary condition that is either true or false. True is represented by a 1 or ON; false is rep- resented by a 0 or OFF. Queries return 1 or 0. <identifier> Selects from a finite number of predefined strings. Error Codes The unit responds to all commands with either: ok <cr>...

  • Page 41: 505 Scpi Command Summary

    :INST:STATE ON <cr> <lf> alternate form A software generated external trigger can be generated by using the following command: *TRG <cr> <lf> generates a software external trigger 505 SCPI Command Summary < l l i > < > l l i <...
  • Page 42 505 SCPI Command Summary < > < > < > < > " " < > " " < > Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...

  • Page 43: 505 Scpi Command Summary

    505 SCPI Command Summary < > < > < > < > < > < > < > l i t < > Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...

  • Page 44: 505 Scpi Command Summary

    505 SCPI Command Summary . y l < > < > . t r < > r i f . t r t t i . t r < > . t r < > l l i < >...

  • Page 45: Ieee 488.2 Common Commands

    IEEE 488.2 Common Commands c i f c i f l l i o l l e l i < > d i l < > e l i d i l Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...

  • Page 46: Appendix

    Appendix Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...

  • Page 47: Appendix A - Specifications

    Appendix A - Specifications 505 Specifications DELAYS CHANNELS 2, 4 or 8 independent outputs, with digitally con trolled delay and pulsewidth MODES Normal, Single, Shot, Burst, Duty Cycle DELAY 0 to 999.9999999 sec PULSEWIDTH 100 ns to 999.9999999 sec RESOLUTION...
  • Page 48 COMPUTER INTERFACE RS232 4800, 9600, 19200, 38400 Baud. All instrument functions and settings may be con trolled over the interface bus. GENERAL STORAGE Storage for 6 complete configurations may be stored and recalled from the front panel or the computer interface. DIMENSIONS 7.5”...
  • Page 49 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 50 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 51 Artisan Technology Group is your source for quality new and certified-used/pre-owned equipment SERVICE CENTER REPAIRS WE BUY USED EQUIPMENT • FAST SHIPPING AND DELIVERY Experienced engineers and technicians on staff Sell your excess, underutilized, and idle used equipment at our full-service, in-house repair center We also offer credit for buy-backs and trade-ins •...

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