Agilent/Keysight DSA81204B

The Agilent/Keysight DSA81204B is a 12 GHz digital real-time oscilloscope (upgradeable to 13 GHz) engineered for high-speed signal acquisition, compliance testing, and signal integrity analysis. It delivers 4 analog channels at up to 40 GSa/s with configurable memory architecture, precision triggering, and low-noise performance for demanding validation workflows.

– Technical Specifications

• Bandwidth: 12 GHz (upgradeable to 13 GHz)
• Channels: 4 analog
• Sample Rate: Up to 40 GSa/s
• Memory Options:
– Standard: 512 kpts
– Optional: 2 Mpts at 40 GSa/s
– Optional: 64 Mpts at 4 GSa/s
– Post-purchase upgrade available
• Vertical Sensitivity: 5 mV/div minimum
• Noise Floor: 387 µV @ 5 mV/div
• Trigger Jitter: <500 fs rms
• Differential Input Resistance: 50 kΩ
• Differential Input Capacitance: 0.21 pF

– Key Features

• XGA touch screen display with 256 intensity levels
• noise floor specification minimizes measurement uncertainty on low-amplitude signals
• Sub-500 fs trigger jitter enables precise time-domain characterization
• Optional noise reduction (opt 005) further enhances signal clarity
• Scalable memory architecture accommodates acquisition length versus sample rate tradeoffs

– Typical Applications

The DSA81204B addresses high-speed serial protocol debugging, jitter analysis, compliance validation, and multi-channel signal correlation on designs operating from baseband to 12 GHz. Its low noise floor and fast trigger timing suit precision measurements in RF/microwave and digital signal integrity work.

– Compatibility & Integration

Full compatibility with InfiniiMax II probing system extends measurement bandwidth to 12 GHz. InfiniiMax probe accessories support solder-in, browser, socketed, and SMA connection models. Extensive software packages for jitter analysis, compliance testing, and debug workflows enable customized measurement solutions.