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Ring Buffer Mode


DiagramThe ring buffer mode is the standard mode of all digitizer/oscilloscope boards. Data is written in a ring memory on the board until a trigger event is detected. After the event the posttrigger values are recorded. Because of this continuous recording into a ring buffer there are also samples prior to the trigger event visible: Pretrigger = Memsize ? Posttrigger. The pretrigger area can be of any length up to the total programmed acquisition memory when using the ring buffer mode.


The main advantage of the ring buffer mode is the unlimited pretrigger capabilities. Even the full on-board memory - except a view samples - can be used for pretrigger data storage with this mode.

When coming to programming the product in a programming language using the ring buffer mode is more simple approach as the program can be done in a step by step sequence.

Read Data in parallel to acquisition

This chapter is valid for all products based on SPCM platform driver.   Read More

TimescaleReading of the so far acquired data is possible directly after recognition of the trigger event. With this, data is much faster available for analysis and further calculations. While competitor cards only allow reading of data after the complete acquisition has finished, this Spectrum advantage can increase the repetition rate a lot.


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