Agilent/Keysight 1660AS

The Agilent/Keysight 1660AS is a benchtop logic analyzer with integrated oscilloscope capability for digital system verification and debugging. It combines deep memory capture with dual-channel analog measurement, supporting both state and timing analysis across up to 136 channels depending on configuration.

Technical Specifications

• Channel count: 34, 68, 102, or 136 channels (model dependent)


• Timing analysis: 250 MHz on all channels, 500 MHz on half channels (conventional); 125 MHz on all channels, 250 MHz on half channels (transitional); 125 MHz on half channels (glitch)


• Timing resolution: 2 ns


• State analysis: 100 MHz on all channels, 50 MHz available


• State clocks/qualifiers: Up to 6


• Memory depth: 4K samples per channel (normal mode); 8K samples per channel (half-channel modes)


• Setup/hold time: 4.5 ns


• Pattern recognizers: 10


• Range recognizers: 2


• Trigger modes: Edge, voltage level, and pattern duration with graphical trigger macros Oscilloscope Channels


• Channel count: 2


• Maximum sample rate: 1 GSa/s per channel


• Bandwidth: DC to 250 MHz (DC coupled)


• Rise time: 1.4 ns


• Vertical resolution: 8 bits


• Memory depth: 8K samples per channel


• Time interval measurement accuracy: Better than 150 ps Probe Characteristics


• Input impedance: 100 kOhm


• Input capacitance: 8 pF

Key Features

• Dual-mode analysis: State and timing capture in single instrument


• Glitch detection capability at 125 MHz on half channels


• Programmable triggering with 10 pattern and 2 range recognizers


• High-resolution timing: 2 ns across all channels

Typical Applications

• Hardware and software integration verification


• Digital system debugging and validation


• Processor and bus signal capture


• Complex event sequencing analysis

Compatibility & Integration

• Communication ports: RS-232, HP-IB (standard); Centronics (optional)


• Optional LAN: ThinLAN and Ethertwist available on 1660C-Series


• Data storage: 3.5-inch high-density floppy disk (LIF and DOS formats)


• Printer support: HP DeskJet, LaserJet, QuietJet, PaintJet, ThinkJet


• Fully programmable control


• Physical footprint: 17.3" W × 14.5" H × 8.1" D; 26 lbs