Keysight technologies 1000ab series portable oscilloscopes keysight technologies dso1022a the dso1022a oscilloscope from the keysight technologies 1000ab series delivers a range of features you would expect from a top of the range model but this is available at a much more attractive price with 2 analogue channels and a bandwidth of 200mhz this powerful oscilloscope offers a 20kpts memory depth together with a wide viewing angle enhanced by a bright 57in colour display keysight techn