PRODUCTS & TECHNOLOGY
USB 60MHz Oscilloscope/Logic Analyzer
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A new, USB-powered, mixed-signal 60 MHz oscilloscope adapter for PCs combines a two-channel oscilloscope with a synchronous eight-channel logic analyzer, sampling at 200 MSa/s (5ns), all in one compact, extremely portable USB instrument. Simultaneously clocked analog waveforms and digital data can now be displayed in phase on the same screen with the efficient and easy-to-use FrontPanel software.
The MSO-28 from Saelig has advanced triggering options that include: oscilloscope (analog) trigger: rising/falling edge and pulse width; logic analyzer trigger: 8-bit trigger word; SPI trigger (32-bit trigger word); I2C trigger (32-bit trigger word) or any of the logic lines. The 200 MSa/s sample rate and 60 MHz bandwidth allows capturing a 60 MHz signal in single shot mode, or even faster repetitive signals, with an effective repetitive sampling rate of 1 GS/s. The FFT Spectrum Analyzer shows frequency spectrum information up to 100 MHz for analog input signals, and has controls for FFT window, FFT type and FFT resolution.
The software also supports averaging, memory and plot subtraction. This allows for a whole range of spectral analysis, including frequency response and power supply noise analysis. Averaging 100 captured signals clearly reveals fundamental and harmonic frequencies, with random noise greatly suppressed. Standard automatic waveform measurements (frequency, period, cycles, max/min, pk-pk, rise/fall time, etc.) can be displayed next to traces, and FFT data can be saved to disk or exported to Excel, MathCAD, etc. SPI and I2C serial bus protocols can be displayed and decoded, or used as 32-bit wide trigger sources. SPI and I2C signals can be viewed as timing waveforms or a state list display.