The Keysight DSOX92804A is a 28 GHz true analog bandwidth oscilloscope with upgrade capability to 33 GHz, engineered for high-speed signal characterization and jitter analysis in demanding measurement environments. It delivers 80 GSa/s sampling on 2 channels and 40 GSa/s on 4 channels, supported by up to 2 Gpts of memory and a proprietary IC architecture that maintains exceptionally low noise and jitter floors for superior measurement integrity.
## Technical Specifications
**Bandwidth & Sampling**
• 28 GHz true analog bandwidth (upgradeable to 33 GHz)
• 80 GSa/s on 2 channels; 40 GSa/s on 4 channels
• Standard memory: 20 Mpts per channel
• Optional memory depth: up to 2 Gpts
**Measurement Performance**
• Noise floor: 2.0 mVrms at 28 GHz (50 mV/div); 2.30 mVrms at 33 GHz
• Jitter measurement floor: <150 fS (28 GHz); <100 fS (33 GHz)
• spurious-free dynamic range
**Connectors & Interfaces**
• 3.5 mm threaded RF connectors with automatic torque clutch
• 10 MHz reference clock input/output for synchronization
• USB 2.0 for setup and measurement storage
• Solid-state drive for OS and data retention
## Key Features
• Industry's first 30 GHz oscilloscope probing system
• Bandwidth-upgradeable probes for technology evolution
• PrecisionProbe technology with fully customized amplifier s-parameter correction
• Advanced edge and protocol triggering for complex signal capture
• Hardware-accelerated de-embedding for probe, fixture, and channel compensation
## Software & Analysis Capabilities
• Jitter, trigger, and protocol analysis tools with PrecisionProbe integration
• Pre-built compliance testing software (SAS 6G/12G, SATA 6G, PCIe Gen 3, DisplayPort 1.2, GDDR5, QPI, 10GBaseKR)
• MATLAB support for custom measurement routines and user-defined filters
• User-defined application framework for application-specific workflows
## Compatibility & Integration
• Digital channels compatible with Keysight 90-pin logic analyzer probes (MSO models)
• Support for emerging protocol standards and interconnects


















