Rohde & Schwarz makes 16-bit HD mode standard for its RTE, RTO, and RTP oscilloscopes

An oscilloscope with 16-bit vertical resolution enables more precise analysis of signal details.An oscilloscope with 16-bit vertical resolution enables more precise analysis of signal details.NUREMBERG, GERMANY—Just in time for embedded world 2019 in Nuremberg, Germany, Rohde & Schwarz has announced that starting immediately, all R&S RTO and R&S RTP oscilloscopes are delivered with the high definition mode featuring 16-bit vertical resolution. Users benefit from more measurement performance at the same price. Higher-resolution waveforms enable more precise analysis of signal details that would otherwise be hidden by noise. Users can trigger on the smallest signal details. The high definition mode increases the vertical resolution up to 16 bit. This mode now comes as standard with all new R&S RTO and R&S RTP oscilloscopes—at no extra cost. This function is already standard with the R&S RTE oscilloscopes.

Measure precisely with 16-bit vertical resolution

In power electronics, it is frequently the smallest details of a signal that are of interest, also for high-amplitude signals, i.e. when characterizing switching power supplies. A high vertical resolution is necessary to measure small details of a signal with an amplitude up to several hundred volts. Rohde & Schwarz oscilloscopes accomplish this with a hardware lowpass filter that filters the signal after the A/D converter. The filter reduces the noise power, effectively increasing the signal-to-noise ratio and increases the resolution up to 16 bit. The bandwidth of the lowpass filter can be variably adjusted from 10 kHz to a maximum of 2 GHz to match the characteristics of the applied signal. The lower the filter bandwidth, the more the signal-to-noise ratio is improved. Waveforms are displayed in a higher resolution, showing signal details that would otherwise be hidden by noise. Thanks to the low-noise frontend and highly accurate single-core A/D converter, Rohde & Schwarz oscilloscopes have an excellent dynamic range and measurement accuracy.Since hardware lowpass filtering takes place in real time, acquisition and processing rates remain high and the measurement results are available quickly. All analysis tools, including automatic measurements, FFT and the history mode, can be used in high definition mode.

Real-time triggering on the smallest signal details

High definition mode makes even the smallest signal details visible. The highly sensitive Rohde & Schwarz digital trigger system allows users to easily isolate these details and investigate them in greater detail. Each of the up to 16-bit samples is checked against the trigger conditions and can initiate a trigger. This means the oscilloscopes are able to trigger on even the smallest signal amplitudes.

No aliasing   

There are no unexpected aliasing effects in high-definition mode. Since high definition mode is not based on decimation, the increase in resolution is not accompanied by a reduction in the sampling rate. When high definition mode is switched on, the full sampling rate can be used, ensuring the best possible time resolution. Rohde & Schwarz will present the R&S RTE, R&S RTO and R&S RTP oscilloscopes with high definition mode at embedded world 2019 in Nuremberg, Germany from Feb. 26 to 28, 2019, in hall 4, booth 218. For more information on the oscilloscope portfolio, go to www.rohde-schwarz.com/oscilloscopes

More in Oscilloscopes