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--- instruments:n-fct:overview [2019/08/13 14:36]
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+++ instruments:n-fct:overview [2021/11/24 16:34]
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+**
+Basic BEA papers about FCTs, and special info for FCTs in FAIR HEBT lines:**
-Already in 1995, four GSI-made FCTs T-DS114 had been installed in the GSI HEST lines:
+[[https://www-bd.gsi.de/dokuwiki/lib/exe/fetch.php?media=instruments:n-fct:fct_electronicschain.pdf|Calculated Charge Resolutions for Fast Current and Resonant Transformers]]
-**GTE1DT1FP, GTE5DT1FP, GHHTDT6FP, GHTPDT1FP**
+[[https://www-bd.gsi.de/dokuwiki/lib/exe/fetch.php?media=instruments:n-fct:transformer_resolution.pdf|Signal Estimates and Electronics Scheme for Fast Current Transformers in High-Energy Transfer Lines]]
+[[https://www-bd.gsi.de/dokuwiki/lib/exe/fetch.php?media=instruments:n-fct:fct_pulseattenuation.pdf|Signal Distortion in Coaxial Transmission Lines: Application to Logic Pulses, Photomultiplier Pulses, and Fast Current Transformer Signals]]
+[[https://www-bd.gsi.de/dokuwiki/lib/exe/fetch.php?media=instruments:n-fct:fct-response--htp.pdf|Investigation of a little bit of
+Fast Current Transformer response at HTP]]
+----
+**
+Already in 1995, four GSI-made FCTs T-DS114 had been installed in the GSI HEST lines:**
+**GTE1DT1FP\\ GTE5DT1FP\\ GHHTDT7FP\\ GHTPDT1FP**
 After 2005, commercially available FCTs from [[https://www.bergoz.com/fct?bs=5|Bergoz Instrumentation]] have been added to SIS 18 and ESR:
-**GS01DT1FP, GE02DT1FP**
+**GS01DT1FP\\ GE02DT1FP**
 ----
@@ Line 12: / Line 25: @@
 **Main characteristics of the installed FCTs:**
-**GSI FCT HEST**
+**GSI FCT in HEST lines**
-  * model no.: T-DS114
+  * GSI model no.: T-DS114
-  * ID = 160mm
+  * ID of toroid = 160mm
-  * sensitivity/ransimpedance: 0.23 V/A
+  * sensitivity/transimpedance: 0.23 A/V (or 4.2 V/A)
-  * termination: 50 Ω
+  * @termination: 50 Ω
-  * low freq. cutoff: ~2 kHz
+  * low freq. cutoff -3dB: ~2 kHz
-  * high freq. cutoff: ~300 MHz
+  * high freq. cutoff -3dB: ~300 MHz
 [[https://www-bd.gsi.de/dokuwiki/lib/exe/fetch.php?media=ed:t-ds114.pdf|GSI FCT datasheet]]
-**Bergoz FCT SIS18**
+**Bergoz FCT in SIS18**
-  * model no.: FCT-260-50:1-LD-H
+  * Bergoz model no.: FCT-260-50:1-LD-H
-  * ID = 260 mm
+  * ID of toroid = 260 mm
   * sensitivity/transimpedance: 0.5 V/A
-  * termination: 50 Ω
+  * @termination: 50 Ω
-  * low freq. cutoff: ~200 Hz
+  * low freq. cutoff -3dB: ~200 Hz
-  * high freq. cutoff: ~690 MHz
+  * high freq. cutoff -3dB: ~690 MHz
   * <color #ed1c24>separate output for Ring RF through power divider, which reduces sensitivity by factor 2 !</color>
 [[https://www-bd.gsi.de/dokuwiki/lib/exe/fetch.php?media=ed:sis-fct-260-50_report.pdf|documents sensor #1768]]
+[[https://www-bd.gsi.de/dokuwiki/lib/exe/fetch.php?media=instruments:n-fct:wepf18.pdf|A FESA DAQ FOR FAST CURRENT TRANSFORMER IN SIS 18]]
 {{:instruments:n-fct:fct-toroid.png?nolink&400|}}
@@ Line 37: / Line 52: @@
 Typical Bergoz FCT toroid
-**Bergoz FCT ESR**
+**Bergoz FCT in ESR**
-  * model no.: FCT-260-1.25-LD
+  * Bergoz model no.: FCT-260-1.25-LD
-  * ID = 260 mm
+  * ID of toroid = 260 mm
   * sensitivity: 1.25 V/A
-  * termination: 50 Ω
+  * @termination: 50 Ω
-  * low freq. cutoff: ~650 Hz
+  * low freq. cutoff -3dB: ~650 Hz
-  * high freq. cutoff: ~570 MHz
+  * high freq. cutoff -3dB: ~570 MHz
   * <color #ed1c24>separate output for Ring RF through power divider, which reduces sensitivity by factor 2 !</color>

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