Knowledge Base
Getting Started
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Optimal PC Requirements for Time Tagger
Learn how to choose a PC with sufficient CPU performance for optimal data streaming and analysis with Time Tagger.
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Connecting Time Tagger via USB Port
Learn how to troubleshoot and verify the USB connection between your Time Tagger and PC.
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Resolving License Acquisition Errors
Learn how to resolve common issues with automatic license acquisition for Time Tagger software.
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Fixing Python Import Errors for Time Tagger
Learn how to fix the two most common Python import errors when using Time Tagger, caused by a missing PYTHONPATH entry or an incompatible NumPy version.
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Getting Started with Time Tagger in NI LabVIEW
Learn how to program Time Tagger from NI LabVIEW using .NET nodes, including where to find examples and a walkthrough screencast.
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Using Time Tagger on macOS
Learn how to use Time Tagger on macOS via a Windows virtual machine or remote control with TimeTaggerRPC.
Hardware & Experimental Setup
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Recommended Accessories: Cables, Splitters, Attenuators, and Inverters
Learn how to integrate accessories like cables, splitters, attenuators, and inverters to send and shape signals in your experiment.
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Signal Requirements for Time Tagger Inputs
Learn what signal types, voltage ranges, and pulse shapes your Time Tagger can detect, including trigger levels and minimum amplitude requirements.
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Compensating for Channel Delays
Learn how to compensate for delays between channels depending on the signal type.
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Connecting Time Tagger to an External FPGA
Learn how to connect the Time Tagger X to an external FPGA using its QSFP+ interface for high-speed signal output.
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Detecting Falling Edges of Pulses
Learn how the Time Tagger distinguishes rising and falling edges of a pulse and how each is represented in your data.
API
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Assigning Absolute (UTC) Timestamps to Time Tags
Learn why Time Tagger timestamps are relative rather than absolute, and how to align them to UTC using the ReferenceClock and a 1PPS signal.
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Measuring the Average Count Rate
Learn how to measure the average count rate over an infinite or a precisely defined duration using a Time Tagger.
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Designing Time Histograms
Learn how to choose the right time-histogram measurement type, bin width and number of bins for your experiment.
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Exporting Data and Saving Plots
Learn how to export raw data and analysis results, and how to save plots, using the Time Tagger API and Time Tagger Lab.
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Using the Same Channel in Multiple Measurements
Learn how our API lets multiple measurements share the same channel simultaneously, and how to use SynchronizedMeasurements to compare them on identical data.
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Maximum Time Span Window for Measurements
Learn how long a Time Tagger measurement can run before its timestamps roll over, and what happens when they do.
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Analyzing Timestamps from Other Time Tagger Devices
Learn why Time Tagger software only works with Swabian Instruments hardware and not third-party time-tagging devices.
Performance
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Transfer Rate Limits for Each Time Tagger Model
Learn the maximum data transfer rates of each Time Tagger model over USB, the 10 GbE link, an external FPGA link, and TimeTaggerNetwork.
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CPU Performance Impact on Transfer Rate
Learn how different CPUs impact the maximum USB transfer rate achievable with a Time Tagger Ultra or Time Tagger X.
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Overflow Caused by Slow Data Processing
Learn how slow data processing, not just a high incoming tag rate, can cause overflow and a low measured count rate.
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Recommended USB Accessories
Learn how to use USB extenders, hubs, and docking stations with Time Taggers without degrading the transfer performance