Agilent/Keysight 1663AS

The Agilent/Keysight 1663AS is a benchtop logic analyzer with integrated 2-channel oscilloscope capabilities, delivering simultaneous state and timing analysis for complex digital system validation. This dual-function instrument captures non-repeating events across 34 logic channels and 2 scope channels, supporting embedded systems, ASIC debugging, and processor-level analysis with time-correlated mixed-domain measurements on a single display.

Technical Specifications

• 34 channels total


• State analysis: 100 MHz (all channels)


• Timing analysis: 250 MHz (all 34 channels), 500 MHz (half channels in conventional mode)


• Transitional mode: 125 MHz (all channels), 250 MHz (half channels)


• Glitch mode: 125 MHz (half channels)


• Memory depth: 4k samples per channel (all channels), 8k samples per channel (half channels)


• Minimum detectable glitch width: 3.5 ns


• Setup/hold time adjustment: 3.5/0 ns to 0/3.5 ns


• Input impedance: 100 kOhm


• Input capacitance: 8 pF Oscilloscope


• 2 channels, DC to 250 MHz bandwidth


• 1 GSa/s maximum sample rate per channel


• 8k sample record length per channel Triggering & Pattern Recognition


• 12-level trigger sequencing at 125 MHz maximum


• 10 pattern recognizers, 2 range recognizers, 2 counter timers Time Measurement Accuracy


• Better than 150 ps for time interval measurements

Key Features

• Mixed time-correlated state, timing, and scope displays


• Support for 160+ microprocessor and bus interface solutions with inverse assemblers


• Fully programmable via HP-IB, RS-232, and optional Ethernet LAN


• Gray-scale CRT or flat-panel display with front-panel keypad and mouse control


• Flexible data storage: 3.5-inch high-density floppy disk (LIF/DOS), optional 2 GB or 540 MB hard drive

Typical Applications Embedded system debugging, ASIC validation, processor interface analysis, and hardware-software integration verification requiring synchronized digital and analog measurement capture.

Compatibility & Integration Fully programmable instrument with processor-specific mnemonic support. Interfaces include HP-IB, RS-232, Centronics printer port, and optional Ethernet connectivity for laboratory and remote operation.