SEFRAM 4451 Spezifikationen Seite 1

SEFRAM 4451 50 MHz PROGRAMMABLE PULSE GENERATOR OPERATING MANUAL

Operating Manual SEFRAM 4451 M4451 A00 10 Range - 10ns to (Period - 10ns off time). Resolution - Up to 6 digits, limited to 100 ps. A

Operating Manual SEFRAM 4451 M4451 A00 11100ns; 50ns-1.0us; 500ns-10us; 5.0us-100us; 50us-1.0ms; 500us-10ms, 5 ms – 100 ms. Resolution -

Operating Manual SEFRAM 4451 M4451 A00 12 GPIB PROGRAMMING Internal - IEEE-488.2 and SCPI compatible. Address - 0-30 front panel se

Operating Manual SEFRAM 4451 M4451 A00 13

Operating Manual SEFRAM 4451 M4451 A00 14 Section 2 Installation 2.1 Introduction This section contains installation infor

Operating Manual SEFRAM 4451 M4451 A00 15 2.6 Grounding Requirements To minimize shock hazard, the instrument chassis and cabinet must be

Operating Manual SEFRAM 4451 M4451 A00 16 2.7.2 Impedance Matching A mismatch, or different impedance in a transmission line, generates a

Operating Manual SEFRAM 4451 M4451 A00 17 For example: to match a 50Ω system to a 125Ω system, Z1 equals 50Ω and Z2 equals 125Ω Therefore:

Operating Manual SEFRAM 4451 M4451 A00 18than the combined rise times of the testing system, determine the actual rise time of the device und

Operating Manual SEFRAM 4451 M4451 A00 19DB-9 pin Name Note Computer DB25 pin Direction 1 2 3 4 5 6 7 8 9 N/C RXD TXD N/C GND N/C RTS CRS

Operating Manual SEFRAM 4451 M4451 A00 2

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Section 3 Operating Instructions 3.1 General Description This section describes the displays, controls and connectors of the SEFRAM 4451 Pulse

Operating Manual SEFRAM 4451 M4451 A00 22output, parameter or mode displayed selected. 3.3 Front Panel Controls The front-panel controls

Operating Manual SEFRAM 4451 M4451 A00 233.6 MENU Keys These keys select the main menus for displaying or changing a parameter, function o

Operating Manual SEFRAM 4451 M4451 A00 24 F3: DELAY - This parameter is used in two instances. The first is to set the delay of the puls

Operating Manual SEFRAM 4451 M4451 A00 25 OUTPUT Menu F1: HILVL - Selects the pulse high level voltage. F2: LOLVL - Selects

Operating Manual SEFRAM 4451 M4451 A00 26 3.6.3 PULSE Menu PULSE Menu F1: RISE - Selects the pulse Rise

Operating Manual SEFRAM 4451 M4451 A00 27 3.6.4 MODE Menu Selects the output mode: CONT (Continuous), TRIG (Triggered), GATE (Gated), BRS

Operating Manual SEFRAM 4451 M4451 A00 28 Trigger Menu F1: MAN - Selects manual as the trigger source. Pressing the M

Operating Manual SEFRAM 4451 M4451 A00 29 SETUPS Menu F1: RECALL

Operating Manual SEFRAM 4451 M4451 A00 3 INDEX Page SAFETY SUMMARY Section 1 General Information 5 1.1 Int

Operating Manual SEFRAM 4451 M4451 A00 30 GPIB Menu F2: RS232 -Selects the RS232 remote control mo

Operating Manual SEFRAM 4451 M4451 A00 31When the pulse generator finishes the diagnostic self-test routine, it enters the local state (LOGS)

Operating Manual SEFRAM 4451 M4451 A00 32 Error messages for SEFRAM 4451 Message Text Cause Setting conflict Can&apo

Operating Manual SEFRAM 4451 M4451 A00 33 SETTLING TIME is the interval required for the pulse level to enter and remain in the specified le

Operating Manual SEFRAM 4451 M4451 A00 34 (0.99 * Trig Rate) must be > (Period * Burst Count)

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Section 4 Programming 4.1 OVERVIEW This section provides detailed information on programming the SEFRAM 4451 via the IEEE 488 bus (GPIB - General Pu

Operating Manual SEFRAM 4451 M4451 A00 36Setting the device to address 31 puts it in the 'off-bus' state. In this state it will not

Operating Manual SEFRAM 4451 M4451 A00 37 4.9.1 General Command Structure The device commands are generally defined by the SCPI standard, w

Operating Manual SEFRAM 4451 M4451 A00 4Section 5 Performance Check Procedure 66 5.1 Introduction 67 5.2 Test Equipment 67 5.3 E

Operating Manual SEFRAM 4451 M4451 A00 38The Program Data represent the values of the parameters being set, for example, the '1US'

Operating Manual SEFRAM 4451 M4451 A00 39 SOURCE:FREQUENCY 3KHZ;:OUTPUT:STATE ON Common Commands may be inserted in the Program Message wi

Operating Manual SEFRAM 4451 M4451 A00 40Bit 3: Device-Specific Error (DDE). This bit is set to indicate that a device operation did not exe

Operating Manual SEFRAM 4451 M4451 A00 41 4.10.5.1 Command Errors A command error is in the range -199 to -100, and indicates that a syntax

Operating Manual SEFRAM 4451 M4451 A00 42A query error indicates that the output queue control has detected a problem. This could occur if ei

Operating Manual SEFRAM 4451 M4451 A00 43 4.11.3 Synchronization Commands 4.11.3.1 *OPC - Operation Complete Command The operation complet

Operating Manual SEFRAM 4451 M4451 A00 44COMMAND TYPE: Common Command or Query Syntax: *ESR? Response: <NR1> 4.11.4.4 *PSC - Power-On

Operating Manual SEFRAM 4451 M4451 A00 45Syntax: *TRG 4.11.6 Stored Settings Commands 4.11.6.1 *RCL - Recall Instrument State This comman

Operating Manual SEFRAM 4451 M4451 A00 46 :DOUBle [:STATe] <Boolean> :DELay <NRf> :TRANsition [:LEADing] <NRf>

Operating Manual SEFRAM 4451 M4451 A00 47This command is used to set the low level of the pulse. COMMAND TYPE: Setting or Query SETTING Synt

Operating Manual SEFRAM 4451 M4451 A00 5 Safety Summary The following safety precautions apply to both operating and maintenance personnel an

Operating Manual SEFRAM 4451 M4451 A00 48QUERY Syntax: [:SOURce]:VOLTage[:LEVel][:IMMediate]:PLOW? Examples: :VOLT:PLOW? Response: NRf 4.12.1

Operating Manual SEFRAM 4451 M4451 A00 49QUERY Syntax: [:SOURce]:VOLTage:LIMit:LOW? Examples: :VOLT:LIM:LOW? Response: NRf CONSIDERATIONS:

Operating Manual SEFRAM 4451 M4451 A00 504.12.1.11 Pulse Delay This command is used to set the delay from the trigger signal to the start of

Operating Manual SEFRAM 4451 M4451 A00 51SETTING Syntax: [:SOURce]:PULSe:HOLD<ws><option> Arguments: Type: Character Options: WID

Operating Manual SEFRAM 4451 M4451 A00 52This command is used to set the delay of the second pulse, from the time of the trigger, in the doub

Operating Manual SEFRAM 4451 M4451 A00 534.12.1.18 Trailing Edge Time This command is used to set the value of the trailing edge time. If th

Operating Manual SEFRAM 4451 M4451 A00 54This command is used to control the polarity of the pulse, which may be normal or complemented. The

Operating Manual SEFRAM 4451 M4451 A00 55:BURSt <NRf> :SOURce <MANual> | INTernal | EXTernal | BUS :TIMer <NRf> :LEVel <

Operating Manual SEFRAM 4451 M4451 A00 56QUERY Syntax: :TRIGger:BURSt? Response: NRf Examples: :TRIG:BURSt? 4.12.3.4 Internal Trigger Rate S

Operating Manual SEFRAM 4451 M4451 A00 57Syntax: :TRIGger:SLOPe? Examples: :TRIG:SLOP? Response: POS | NEG 4.12.4 Status Subsystem This s

Operating Manual SEFRAM 4451 M4451 A00 6 WARNING: To avoid electrical shock hazard, disconnect power cord before removing covers. Refer ser

Operating Manual SEFRAM 4451 M4451 A00 58Communication with the instrument can be resumed only by setting the address to a suitable value fro

Operating Manual SEFRAM 4451 M4451 A00 59COMMAND TYPE: Setting or Query SETTING Syntax: :SYSTem:POBuffer<ws><buffer> Arguments:

Operating Manual SEFRAM 4451 M4451 A00 60 4.14 SCPI COMMAND TREE 4.14.1 Root Node Root[:SOURce] :OUTPut :TRIGger :STATus :SYSTem 4.14.2

Operating Manual SEFRAM 4451 M4451 A00 61 4.14.4 TRIGger Subsystem :TRIGger:SLOPe POS | NEG :LEVel <NRF> :TIMer <NRf>

Operating Manual SEFRAM 4451 M4451 A00 62:SYSTem :COMMunicate :GPIB :ADDRess <NRf> :ERRor? :SECurity [:STATe]? ON | OFF:POB

Operating Manual SEFRAM 4451 M4451 A00 63 4.15 RS-232 Programming

Operating Manual SEFRAM 4451 M4451 A00 64 4.15.1 General The INSTALLATION section of this manual describes the RS-232-C connection for the i

Operating Manual SEFRAM 4451 M4451 A00 65

Operating Manual SEFRAM 4451 M4451 A00 66 Section 5 Performance Check Procedure 5.1 Introduction This section contains the test proc

Operating Manual SEFRAM 4451 M4451 A00 68The following tests are intended to verify that the SEFRAM 4451 operates properly and meets its spec

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Operating Manual SEFRAM 4451 M4451 A00 69 input with a 50Ω termination. Select leading and trailing times. CHECK - The Rise and

Operating Manual SEFRAM 4451 M4451 A00 70 To contac us : SEFRAM Instruments et Systèmes 32, rue E. MARTEL BP55 F 42009 – SAINT-ETIENNE ced

Operating Manual SEFRAM 4451 M4451 A00 71DECLARATION OF CE CONFORMITY according to EEC directives and NF EN 45014 norm DECLARATION DE CONFORM

Section 1 General Information 1.1 Introduction This manual contains information required to operate, program, check and maintain the

Operating Manual SEFRAM 4451 M4451 A00 9 1.4 SPECIFICATIONS The following specifications describe the instrument performance after a 20 mi