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CSP10 … 13

 

Charge Sensitive Preamplifier 

User Manual 

 Copyright FAST ComTec GmbH 

Grünwalder Weg 28a, D-82041 Oberhaching 

Germany 

 

Version 1.0, September 17, 2009 

Содержание CSP10

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

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

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

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