Standard Time-to-Digital-Converters (TDC)
Dual Channel USB2.0-TDC
– 1 GPX chipset
– 2 stops (diff. PECL), 1 start (LVTTL)
– 2 BNC I/O control terminals
– 27.4/41.1 ps time bin in R/G mode
– 40 MHz internal readout rate, data transfer rate > 25 MB/s
– DLL compatible with Windows XP®, Windows Vista® and Windows 7® operating systems, plugin for LabVIEW™ available
Additional Information (PDF)
Quad Channel USB2.0-TDC
– 2 GPX chipsets
– 4 stops (diff. PECL), 1 start (LVTTL)
– 2 BNC I/O control terminals
– 27.4/41.1 ps time bin in R/G mode
– 80 MHz internal readout rate, data transfer rate > 25 MB/s
– DLL compatible with Windows XP®, Windows Vista® and Windows 7® operating systems, plugin for LabVIEW™ available
Additional Information (PDF)
USB2.0-TDC
– 1 GPX chipset
– 8 stops (LVTTL), 1 start (LVTTL)
– 2 BNC I/O control terminals
– 82.2 ps time bin in I mode
– 40 MHz internal readout rate, data transfer rate > 25 MB/s
– DLL compatible with Windows XP®, Windows Vista® and Windows 7® operating systems, plugin for LabVIEW™ available
Additional Information (PDF)
Double USB2.0-TDC
– 2 GPX chipsets
– 16 stops (LVTTL), 1 start (LVTTL)
– 2 BNC I/O control terminals
– 82.2 ps time bin in I mode
– 80 MHz internal readout rate, data transfer rate > 25 MB/s
– DLL compatible with Windows XP®, Windows Vista® and Windows 7® operating systems, plugin for LabVIEW™ available
Additional Information (PDF)
Windows® is a registered trademark of Microsoft Corporation in the United States and other countries.
Labview™ is a trademark of National Instruments. Neither Surface Concept GmbH, nor any software programs or other goods or services offered by Surface Concept GmbH, are affiliated with, endorsed by, or sponsored by National Instruments.
Multichannel TDC optimized for multihit-measurements
Fourfold Quad Channel USB2.0-TDC
– independent TDC / FPGA units for each quadrant
– digital TDC bin size of 27.4 ps
– event memory space for up to 30 million events (128 MByte memory)
– permanent event streaming of 8 MCPs (optional FPGA-assisted data compression possible)
– increases image size of standard 4-Quadrant 3D-DLD up to 700 x 550 pixels per quadrant (custom specific resizing option available)
– improved burst length capabilities for long pulse durations in the ms-range (currently achieved: 30 Mcps for 30 ms burst length)
Additional Information (PDF)
NIM Electronics
Wide Range, Single and Multihit Time-to-Digital Converter (TDC)
– NIM, LVPECL (low voltage PECL) or LVTTL (low voltage TTL) inputs
– 8 stop channels at a time bin resolution of 82 ps, measurement range 0 ns - 10.6 ms in start-stop operation (double TDC option: 16 stop channels, 1 or 2 start channels)
– 2 stop channels at a time bin resolution of 27 ps, measurement range 0 ns - 40 ms in start-stop operation (double TDC option: 4 stop channels, common start input)
– measurement range extendable on request
– min. time between start and stop 0 ns, pulse pair resolution 5.5 ns, min. 32 hits / channel
– multi-hit capability extendable by FPGA options (e.g. hit tagging, see PLU-option)
– no minimum time limit for hits at different channels
– transfer rate up to 8 million results per second via USB 2.0 readout (interface available for Windows® 2000, Windows® XP, Windows® Vista and Windows® 7 operating systems)
– LabVIEW™ VI interface
– DLL for user programming
Available option:
PLU-Option (FPGA preconditioning feature), enables extended functionality, e.g.:
– 40 MHz / 80 MHz data acquisition rate
– additional I/O lines for streaming of logical states or internal counters
– I2C-interface options
– flexible time gating
– data preconditioning
– data stream compression
– arithmetic functions
Additional Information (PDF)
Windows® is a registered trademark of Microsoft Corporation in the United States and other countries.
Labview™ is a trademark of National Instruments. Neither Surface Concept GmbH, nor any software programs or other goods or services offered by Surface Concept GmbH, are affiliated with, endorsed by, or sponsored by National Instruments.
Constant Fraction Discriminator (CFD) Module
– up to 6 channels per one unit wide NIM module
– threshold and fraction (zero) adjustable for each channel
– fixed internal delay of 1.5 ns (3 ns and 6 ns on request)
– input amplitude range -50 mV to -1.5 V (positive input range on request)
– NIM output pulses, fixed pulse width of 4 ns (2.5 ns and 7 ns on request)
– output jitter vs. input at fixed amplitude < 14 ps
– typ. time walk < 30 ps
– max. operation frequency > 150 MHz
– propagation delay typical 7 ns
– gated versions available
Additional Information (PDF)
Logic Level Translator Module
– any user defined combination of ECL, PECL / LVPECL (low voltage PECL), NIM, TTL / LVTTL (low voltage TTL) available
– any mixed channel translation configurable
– up to 8 channels per one unit wide NIM module
– output jitter vs. input at fixed amplitude < 14 ps
– max. operation frequencies > 250 MHz
– gated versions on request
Logic FAN-OUT Module
– available standards: ECL, PECL / LVPECL (low voltage PECL), NIM, TTL / LVTTL (low voltage TTL) (combinable with level translators)
– any user defined combination available
– gated versions available
– configurable up to 8 channels
– output jitter < 14 ps
Pulse Amplifier Module
– available as 2, 4, 6 or 8 channel version
– wide output range of ± 2 V
– gain fixed (on request adjustable between 12 dB and 48 dB)
– bandwidth up to 7 GHz using SMA-type conncetors (up to 1 GHz using LEMO-type connectors), low distortion, rise/fall time < 0.1 ns at 12 dB
– typ. bandwidth ranges in small signal applications 0.5 GHz - 7 GHz (depending on amplification)
– extremely high slew rates
– thermal gain stability < 0.006 dB/K
– typical noise level < 6.5 dB
Counter / Timer Module
- >250 MHz count rate capability
- 10^12 - 1 count capability
- microprocessor control for timebase, display and misc. functions
- USB 2.0 interface and stand alone operation
- dot matrix display for 12 decades
- manual start / stop / reset function
- LED indicators for counter in operation/ overflow/signal lock
- further indicators available by menu functions or by USB 2.0 interface
- all inputs / outputs short-circuit tolerant
- inputs: Gate (NIM or TTL level via BNC), Counter Input (NIM level via BNC), any level input +- 10 V with manual threshold via BNC
- outputs: Carry (NIM or TTL level via BNC), Timer (NIM or TTL level via
BNC) programmable for output of "timer end", interval length" and "time base"
- power supply conditions: +6V (0.5A), -6V (0.5A)
- 2/12 double width NIM module housing
Additional Information (PDF)
