The recently released DL9000 series is the latest in compact digital oscilloscopes from Yokogawa, boasting sampling rates of up to 10GS/s (gigasamples per second) at bandwidths of 1-1.5GHz. According to Yokogawa, conventional products in this bandwidth range have been desktop-sized and quite expensive. Not so the DL9000 series, which packs an impressive array of features into a package measuring 18cm deep and weighing in at only 6.5kg.

All four models in the series have four input channels and 213mm high-
resolution colour LCDs. The DL9140 & DL9140L feature an analog bandwidth of 1GHz with a maximum sampling rate of 5GS/s (2-channel mode) or 2.5GS/s (4-channel mode). The DL9240 & DL9240L models extend the bandwidth to 1.5GHz and increase the maximum sampling rate to 10GS/s (2-channel mode) or 5GS/s (4-channel mode).

Record length for the DL9140 & DL9240 is 2.5M words/channel maximum, whereas the "L" suffixed versions stretch this to a whopping 6.25M words/channel. A custom signal-processing engine pumps data into memory at a maximum effective rate of 2.5 million waveforms per second per channel on the 500ps/div range.