Fast CSP10 User Manual Download Page 2

Warranty 

 ComTec GmbH 

 

II 

Warranty 

Equipment manufactured by FAST ComTec GmbH is warranteed against defects in materials and 
workmanship for a period of twelve months from date of shipment, provided that the equipment 
has been used in a proper manner as detailed in the instructions manuals. During the warranty 
period,  repairs  or  replacement  will  be  made  at  FAST  ComTec’s  option  on  a  return  to  factory 
basis.  The  transportation  cost,  including  insurance  to  FAST  ComTec  is  the  responsibility  of  the 
Costumer except for defects discovered within 30 days after receipt of equipment where shipping 
expense will be paid by FAST ComTec. 

Copyright 

©

 1988 - 2009 FAST ComTec GmbH  

D-82041 Oberhaching, Germany  

All rights reserved  

This  manual  contains  proprietary  information;  no  part  of  it  may  be  reproduced  by  any  means 
without prior written permission of FAST ComTec, Grünwalder Weg 28a, D-82041 Oberhaching, 
Germany. Tel: ++49 89 6651800, FAX: ++49 89 66518040.  

The  information  in  this  manual  describes  the  hardware  and  the  software  as  accurately  as 
possible, but is subject to change without notice.  

Summary of Contents for CSP10

Page 1: ...CSP10 13 Charge Sensitive Preamplifier User Manual Copyright FAST ComTec GmbH Gr nwalder Weg 28a D 82041 Oberhaching Germany Version 1 0 September 17 2009...

Page 2: ...ing insurance to FAST ComTec is the responsibility of the Costumer except for defects discovered within 30 days after receipt of equipment where shipping expense will be paid by FAST ComTec Copyright...

Page 3: ...1 3 1 General 3 1 3 2 Front Panel Rear Panel 3 1 4 Installation 4 1 4 1 Noise Consideration 4 1 4 2 Detector Bias 4 1 5 Operating Instructions 5 1 5 1 General 5 1 5 2 Test Input 5 1 5 3 Initial Setup...

Page 4: ...ve Never connect the detector when the high voltage is applied Increase or decrease the high voltage only at a very slow rate Observe the output of the CSP1X during bias voltage change with an oscillo...

Page 5: ...polarity pulse ideal for energy spectroscopy The high charge rate capability of the design is evidenced by an energy rate capacity of greater than 10 5 MeV per second when used with silicon detectors...

Page 6: ...Introduction ComTec GmbH 1 2...

Page 7: ...MS 200 electrons 0 03 femtoCoul Equivalent noise in silicon 1 7 keV FWHM Equivalent noise in CdZnTe 2 4 keV FWHM ENC slope 4 electrons RMS pF Gain see table 1 Rise time 7 ns see table 1 Maximum charge...

Page 8: ...m the detector capacitance leakage current and dielectric losses will add to this figure Pulse rise time defined as the time to attain 90 of maximum value has a linear relationship with input capacita...

Page 9: ...ion describes the functions of the controls and connectors located on the front and rear panels of the Model CSP10 13 It is recommended that this section be read bevor proceeding with the operation of...

Page 10: ...or alternatively the value of R reduced to provide an voltage drop The latter will cause the 0 pF noise of the preamplifier to increase but this will usually be insignificant compared to the noise ge...

Page 11: ...o as to give a reference peak signal in his data spectrum at a convinient location so as to normalize multiple detectors This input does provide a resistive terminating impedance 5 3 Initial Setup 1 C...

Page 12: ...ll system line plugs into the same output Or are the baseline fluctuations of ramdom frequency between 10 Hz and 15 000 Hz The area may be too noisy causing microphonic problems If high frequency nois...

Page 13: ...has a duration of approximately a couple s so the expected rise time of the charge sensitive preamplifier output will be at least that long The output waveform of the CSP10 13 using a capacitively co...

Page 14: ...Theory of Operation Detailed Circuit Description ComTec GmbH 6 2 high voltage path with filter circuit and power supply circuitry...

Page 15: ...Appendix Detailed Schematic of the CSP10 13 ComTec GmbH 7 1 7 Appendix 7 1 Detailed Schematic of the CSP10 13...

Page 16: ...Appendix Personal Notes ComTec GmbH 7 2 7 2 Personal Notes...

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