The Keysight DSOS404A is a 4 GHz, 4-channel oscilloscope from the Infiniium S Series, engineered for high-speed signal analysis with exceptional signal fidelity. Featuring up to 20 GSa/s sampling rate, 10-bit vertical resolution, and deep memory options up to 1 Gpts, it enables precise capture of fast, complex signals. Designed for embedded system development, serial bus analysis, RF validation, and power integrity testing, the DSOS404A delivers industry-leading noise performance, jitter analysis, and protocol decoding—making it a top choice for engineers in R&D and validation environments.
Specifications:
Bandwidth: 4 GHz
Channels: 4 analog
Sample Rate: Up to 20 GSa/s
Memory Depth: Up to 1 Gpts (option-dependent)
Vertical Resolution: Up to 10 bits
Display: 15-inch capacitive touchscreen
Waveform Update Rate: Up to 450,000 wfms/sec (with segmented memory)
Trigger Types: Edge, pulse width, runt, setup/hold, glitch, serial protocols
Analysis Tools: Jitter analysis, eye diagrams, FFT, protocol decode (USB, I2C, SPI, CAN, etc.)
Connectivity: USB, LAN, HDMI, optional GPIB
Applications: High-speed digital testing, embedded systems, RF design, power electronics, compliance testing





