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Related Manuals for Surface Concept SC-TDC-1000 D Series
Summary of Contents for Surface Concept SC-TDC-1000 D Series
- Page 1 Time-to-Digital Converter SC-TDC-1000 D Series (Release 112 & 122) Manual...
- Page 2 Germany User Manual for the phone: +49 6131 62716 0 SC-TDC-1000 D Series fax: +49 6131 62716 29 Releases: 112 & 122 email: info@surface-concept.de Manual Version 2.6 web: www.surface-concept.de Printed on 2021-04-30 SC-TDC-1000 D Series Manual | Surface Concept GmbH...
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Page 3: Table Of Contents
3.3 Software Installation, Requirements and Interface ..........9 4 TDC Layout ..........................11 4.1 Schematic Description ....................11 4.2 Layout of the SC-TDC-1000 D Series................. 12 4.2.1 TDC Stop Inputs ....................13 4.2.2 TDC Start Input ...................... 13 4.2.3 TDC Start Output ....................14 4.2.4 Device Synchronization Signal IN/OUT ............ - Page 4 SC-TDC-1000 D Series Manual | Surface Concept GmbH...
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Page 5: General Information
This manual is intended to assist users in the operation of the Releases 112 and 122 in sub-releases 85, D8 and E8 of the SC-TDC-1000 D series. It is divided into 6 chapters. The chapter “General Information” contains a brief overview of the devices as well as the safety instructions. The chapter “Installation” refers to installation and cabling. -
Page 6: General Overview
The SC-TDC-1000 D Series is laid out for NIM signals on LEMO 00 type connectors for all stop and the start inputs, while all additional inputs (like TAG IN, ADC IN) are laid out for LVTTL signals on BNC connectors. All LVTTL signal inputs are TTL tolerant. -
Page 7: Installation
Table 1: Packing list for the SC-TDC-1000 D (R112, R122) 3.2 Cabling Figure 1. The general connection scheme of the SC-TDC-1000 D devices is given in Figure 1: General connection scheme of the SC-TDC-1000 D devices. SC-TDC-1000 D Series Manual | Surface Concept GmbH... - Page 8 120ns, as they are produced by e.g. connecting to and disconnecting from the start input respectively. If two subsequent pulses are applied to the start input of the TDC, the device will still deliver results, but these results will contain wrong timing information. SC-TDC-1000 D Series Manual | Surface Concept GmbH...
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Page 9: Software Installation, Requirements And Interface
For those cases we then recommend the use of USB2.0. The use of USB2.0 is always possible, but there might be limitations in the Note maximum count rates for certain detector types and/or detector operation modes. SC-TDC-1000 D Series Manual | Surface Concept GmbH... - Page 10 SC-TDC-1000 D Series Manual | Surface Concept GmbH...
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Page 11: Tdc Layout
4 TDC Layout 4.1 Schematic Description The design of the SC-TDC-1000 D series combines the excellent performance of the GPX TDC chip with a high speed USB interface. A field programmable gate array (FPGA) enables comfortable setups and a variable data stream handling from the TDC via USB. -
Page 12: Layout Of The Sc-Tdc-1000 D Series
Lighted, when set to ON Figure 3: Layout of the SC-TDC-1000 02D R2D8 and R2E8 (similar for R258 but with 10. Power Socket reduced numbers of inputs and outputs, see below). 11. USB Connection Socket SC-TDC-1000 D Series Manual | Surface Concept GmbH... -
Page 13: Tdc Stop Inputs
Gpx_Start = NO) and no signal applied to the Start Input or with an external start signal (Ext_Gpx_Start = YES) applied to the Start Input. In all other cases the TDC is not working Note correctly. SC-TDC-1000 D Series Manual | Surface Concept GmbH... -
Page 14: Tdc Start Output
The TDC holds an internal electronics, which provide the TDC start signal for further extended measurement use. The TTL Start output (BNC socket) provides either the external start if applied or the internal start, generated by the FPGA. SC-TDC-1000 D Series Manual | Surface Concept GmbH... -
Page 15: Device Synchronization Signal In/Out
This leads to the multiple time histograms that appear sequentially in time. The multiple histograms can be resorted to one single time histogram by a MODULO-operation during data analysis. SC-TDC-1000 D Series Manual | Surface Concept GmbH... -
Page 16: Extended Measurement Range (Sub-R 85 And E8 Only)
In this case X can be set to -1. The reading of this entry is: “the reference of channel X is channel Y”. SC-TDC-1000 D Series Manual | Surface Concept GmbH... - Page 17 The default setting is 0 X = 0 switches off the sorting algorithm. The sorting algorithm works better at higher selected values, but higher values significantly increase the load on the PC CPU. SC-TDC-1000 D Series Manual | Surface Concept GmbH...
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Page 18: Tag Signal Input (Sub-R D8 And E8 Only)
The number of bits which are available for each detector event (x, y, t) is defined by an additional parameter called “nBytes” in the tdc_gpx3.ini file. The corresponding entry in the tdc_gpx3.ini file is: nBytes = X X is an integer value of either 4 or 8. The default setting is SC-TDC-1000 D Series Manual | Surface Concept GmbH... -
Page 19: Master Reset Input (Sub-R D8 And E8 Only)
;must be set for using the state input. Hereby the state input functions in combination with the tag signal functioning as a timer, counting the internal 80MHz clock signal of the FPGA. Pulse on „TAG IN“ resets the timer to 0. SC-TDC-1000 D Series Manual | Surface Concept GmbH... -
Page 20: Adc Input (Sub-R D8 And E8 Only)
In this case one has to use the positive input (“ADC IN +“) of the ADC, while terminating the negative input (“ADC IN -“) to ground. Please be aware that this way of operating is working, but it is more prone to noise. SC-TDC-1000 D Series Manual | Surface Concept GmbH... -
Page 21: Technical Data
Number of Start Inputs: 1 (common start input usable as reset of the internal clock resolution adjust mode: quartz-accurate, adjustable resolution, insensitive to temperature variations, adjustable via software (no calibration necessary) • Digital time bin resolution per channel: 27.4ps SC-TDC-1000 D Series Manual | Surface Concept GmbH... - Page 22 Internal start frequency divider (2-, 4-, 8-, 16- and 32-fold divider) • Dynamic range: 2E19 • All channels provide precisely an equal resolution • 32-fold multi-hit capability per channel • 40MHz internal device measurement rate SC-TDC-1000 D Series Manual | Surface Concept GmbH...
- Page 23 External Start Signal Output: Low voltage TTL on 50Ohm BNC socket • Device Synchronization Signal Input: Low voltage TTL on 50Ohm BNC socket • Device Synchronization Signal Output: Low voltage TTL on 50Ohm BNC socket • USB Interface for Data Transfer SC-TDC-1000 D Series Manual | Surface Concept GmbH...
- Page 24 5.5ns pulse-pair resolution on one channel and 0ns between two channels • Trigger to rising edge • Start retrigger rate (max.): 9MHz • Measurement range: 0ns – 40µs in start-stop operation (measurement range of 40µs corresponds to a start frequency of 25kHz) SC-TDC-1000 D Series Manual | Surface Concept GmbH...
- Page 25 ADC Input: 14bit ADC with differential analogue signal input (+/-10V) on BNC sockets • USB Interface for Data Transfer Line Input 85 V – 260 V, 50/60 Hz Electrical Input (LINE) 65 Watt (max.) Power 1x T 1.6 A Fuse SC-TDC-1000 D Series Manual | Surface Concept GmbH...
- Page 26 SC-TDC-1000 D Series Manual | Surface Concept GmbH...
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Page 27: List Of Figures
Figure 2: Schematic sketch of TDC functioning................................ 11 Figure 3: Layout of the SC-TDC-1000 02D R2D8 and R2E8 (similar for R258 but with reduced numbers of inputs and outputs) . 12 SC-TDC-1000 D Series Manual | Surface Concept GmbH... - Page 28 (Dr. Andreas Oelsner) This declaration does not represent a commitment to features or capabilities of the instrument. The safety notes and regulations given in the product related documentation must be observed at all times. SC-TDC-1000 D Series Manual | Surface Concept GmbH...
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