The Keysight 16861A is a portable 34-channel logic analyzer built for high-speed digital signal capture and analysis across complex embedded systems and digital designs. It combines state and timing analysis modes to support both synchronous bus monitoring and asynchronous edge detection, backed by deep memory and a 15-inch color touch-screen display for efficient signal navigation and troubleshooting.
– Technical Specifications
Channel Configuration: 34 channels, supporting single-ended and differential signal types.
State Analysis (Synchronous Sampling)
• State data rates up to 1.4 Gb/s
• State clock rates up to 700 MHz
• Automated threshold and sample position setup for high-speed bus measurements
• Simultaneous eye diagrams across all channels
Timing Analysis (Asynchronous Sampling)
• Conventional timing: 2.5 GHz (full-channel) / 5.0 GHz (half-channel)
• Timing zoom: 12.5 GHz with 80 ps resolution
• Standard memory: 2 Mb
• Deep memory: 128 Mb (full-channel) / 256 Mb (half-channel)
• Timing zoom memory: 256K for trigger event analysis
Trigger Sequencer: 1.4 GHz
Display: 15-inch (38.1 cm) color touch-screen
– Key Features
• Protocol support for DDR4, DDR3, DDR2, DDR, LPDDR4, LPDDR3, LPDDR2, and LPDDR memory interfaces
• Built-in removable SSD drive with USB 3.0 and LAN connectivity for high-speed data transfer
• Flexible probe ecosystem—single-ended and differential probes available separately
• Compatible with Keysight Logic Analyzer software version 06.30 and higher
• Upgrade path via 16861AU model for existing units
– Typical Applications
Digital design validation, memory interface debugging, system integration testing, and laboratory protocol analysis on high-speed digital buses.
– Compatibility & Integration
Operates with Keysight Logic and Protocol Analyzer software. Application-specific analysis modules available. Standard accessories include keyboard, mouse, and power cord.
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