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Greenfield GFT9404, User Manual

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Greenfield GFT9404 User Manual Download Page 8

NUT 018 Ed. 3.1 

 

  

février 

16

 

©

 

G

REENFIELD

 

T

ECHNOLOGY

 

     

8

 

 

 

 

GFT9404

 

User

 

Manual

 

Timing

 

Principle

 

Using

 

External

 

Triggering

 

 

 

Figure

 

3

‐

2

 

Trigger

 

Timing

 

In response to the input trigger the board can generate a single delayed output (single shot 
mode) or repetitive delayed outputs (repetitive mode).   

Calibration parameters are saved onboard. 

 

 

 

Summary of Contents for GFT9404

Page 1: ...Four auxiliary delay channels o 5 ns delay resolution o 100 ps rms jitter delay x10 7 o 20 second delay range o Available on front panel and PXI TRIG Four sources of trigger external internal PXI STAR...

Page 2: ...nal Overview 7 Timing Principle Using External Triggering 8 Front Panel 9 Trigger Routing Architecture 10 Self Test 10 Status 11 Multiple Board Synchronization 11 4 APPLICATION SOFTWARE 13 Connecting...

Page 3: ...6 GREENFIELD TECHNOLOGY 3 GFT9404 User Manual EDITION Ed Date Description 1 15 05 2009 Creation 2 30 09 2009 Update the specification 3 27 07 2010 Update the specification 3 1 26 02 2016 Minor correct...

Page 4: ...software trigger is used to trigger off all output channels The module offers two operating trigger modes repetitive or single shot The control panel software for Windows provides a simple method to...

Page 5: ...lectrostatic discharge ESD can damage several components on the module Caution Never touch the exposed pins of connectors To avoid such damage when handling the module take the following precautions G...

Page 6: ...LabVIEW Installing the Hardware The following information provides general installation instructions Consult the chassis user manual or technical reference manual for specific instructions and warning...

Page 7: ...o external trigger phases After an insertion delay a pulse appears on each channel after a specified delay At the end of sequence after the last delayed pulse the delay generator is ready for repetiti...

Page 8: ...r Manual Timing Principle Using External Triggering Figure 3 2 Trigger Timing In response to the input trigger the board can generate a single delayed output single shot mode or repetitive delayed out...

Page 9: ...e front panel has two LEDs and 9 connectors LEDs TRIG green Lights on when a trigger is detected FAULT red Lights on if a fault is detected Connectors SMB type TRIG IN External trigger input T0 to T3...

Page 10: ...Triggers available on the PXI_TRIG lines are copies of the auxiliary triggers Accordingly to control the delay on a PXI_TRIG line you have to set the appropriate delay for the corresponding auxiliary...

Page 11: ...ed Multiple Board Synchronization External trigger copy T0 TRIG IN T1 T2 T3 AT0 AT1 AT2 AT3 TRIG FAULT GFT9404 DELAY GENERATOR T0 TRIG IN T1 T2 T3 AT0 AT1 AT2 AT3 TRIG FAULT GFT9404 DELAY GENERATOR TR...

Page 12: ...is used to control the source of triggers to synchronize the four other GFT9494 boards via the AT0 to AT3 outputs T0 TRIG IN T1 T2 T3 AT0 AT1 AT2 AT3 TRIG FAULT GFT9404 DELAY GENERATOR T0 TRIG IN T1 T...

Page 13: ...double clicking the gft9404 exe file or by using the menu command Start Programs Gft9404 PXI delay Generator for VISA Gf9404 PXI delay Generator for VISA The main application window is shown below For...

Page 14: ...board using the TAB or Shift TAB keys When an element is selected a thin red line surrounds it When selected the user may change a button state by pressing the space key Numeric elements are modified...

Page 15: ...ence is the time of the incoming trigger or as relative delays where the reference is the time of the incoming delay plus the minimum insertion delay As the insertion delay is a small but non zero del...

Page 16: ...on EXT INT The board is in single shot mode Enabled channels output only one pulse on the first trigger signal occurrence The board is in repetitive mode Enabled channels output a pulse for each trigg...

Page 17: ...n as long as an error is present The trigger LED is on for one second when the board is in repetitive mode and at least one channel has triggered If the board is in single shot trigger mode the LED is...

Page 18: ...ing and Loading Configuration Files A complete board configuration can be saved or loaded with the menu items Save config or Load config The Save config menu item saves the complete board configuratio...

Page 19: ...xiliary Delays Channels Four independent delay outputs Range 0 to 20 seconds Resolution 5 ns RMS jitter External trigger to any 100 ps rms delay x 10 7 Accuracy 1 ns delay x 10 7 Trigger source Intern...

Page 20: ...Fall time 5 ns Additional PXI TRIG Amplitude rise and fall time PXI standard Width 25 ns Connector PXI connector General Size PXI 1 slot Power 15 W on 3 3 V 5 V 12 V LEDs Red fault green trigger on E...

Page 21: ...rs to direct access to NI Applications Engineers via phone and email for one to one technical support as well as exclusive access to on demand training modules via the Services Resource Center NI offe...

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