PC Based Oscilloscopes

PC-based oscilloscopes are measurement instruments that connect to a standard PC or laptop via USB or other interfaces, using the host computer's display, processing power, and storage for waveform visualization and analysis. This architecture delivers high sample rates, deep waveform memory, and advanced analysis software at significantly lower cost than equivalent standalone benchtop oscilloscopes. The measurement hardware is typically a compact external module, while the PC runs dedicated software providing a full oscilloscope interface.

Pico Technology is the dominant manufacturer in this category, offering the PicoScope range with bandwidths from 10 MHz to over 1 GHz and deep capture memory suited for recording rare or intermittent events. PC oscilloscopes are particularly popular in education, R&D prototyping, software-defined testing environments, and applications where waveform data must integrate directly into PC-based analysis tools such as MATLAB or LabVIEW.

Typical Applications

University and education labs: cost-effective oscilloscope access for electronics students and researchers
R&D prototyping: rapid signal capture integrated with simulation and analysis software on the same PC
Long-duration event recording: capturing intermittent faults over extended periods using PC storage capacity
Software-defined test systems: integrating oscilloscope data into automated test frameworks and scripts
Embedded and IoT development: debugging microcontroller and sensor interfaces at the workbench
Audio and low-frequency analysis: measuring signals in audio electronics and acoustic measurement systems

Popular Brands

Pico Technology leads the PC oscilloscope market with the PicoScope family, known for deep memory, high vertical resolution, and comprehensive bundled software. Digilent offers PC oscilloscopes integrated with FPGA-based development platforms. National Instruments (NI) provides USB and PXI-based oscilloscope modules designed for automated test environments.