Agilent/Keysight 5005B

The Agilent/Keysight 5005B is a signature multimeter designed for rapid troubleshooting of complex digital circuits. It combines signature analysis, multimeter functions, and counter capabilities into a single multifunction probe, compressing digital data streams into four-character signatures for fault identification with greater than 99.998% confidence. Real-time testing operates up to 25 MHz across multiple logic families, with qualified signature mode and composite signature support for efficient testing of complex products.

Technical Specifications

• Patented signature analysis technique with real-time testing to 25 MHz


• Four-digit signature compression of digital data streams


• Fault detection confidence exceeding 99.998%, independent of data stream length


• Supports multiple logic families


• Qualified signature mode for simplified complex product testing


• Composite signatures for efficient signal grouping and testing


• Signature memory to reduce probing errors Multimeter Functions


• 4.5-digit DC voltmeter


• Ohmmeter


• Differential voltmeter


• Peak voltage measurement mode for logic high/low verification against logic family specifications Counter Functions


• Frequency and totalize measurements to 50 MHz


• Time interval measurements with 100 nanosecond resolution


• Characterization of one-shots, timers, interrupt lines, reset lines, and RS-232 asynchronous interfaces


• Clock and clock driver circuit verification

Key Features

• Multifunction probe with pushbutton measurement triggering


• Internal signal multiplexing to appropriate measurement function


• Performance tuned for analog measurements in digital troubleshooting


• Power supply and circuit board integrity checking


• Analog integrity verification for active digital signals


• Voltage threshold capability assessment for logic level degradation detection


• HP-IB programmability for automated test system integration

Typical Applications

• Digital circuit fault diagnosis and isolation


• Logic family compliance verification


• Clock and timing circuit characterization


• Power supply and signal integrity validation


• Troubleshooting legacy HP/Agilent equipment (non-ASIC dependent)

Compatibility & Integration Full HP-IB programmable interface enables remote operation and integration into automated test environments. Compatible with multiple logic families. Products under test must incorporate specific test features designed or retrofitted for signature analysis support.