The Keithley 2657A-LIM-3 Low Interconnect Module is a specialized interface accessory that connects the Keithley 2657A High Power System SourceMeter to external test setups for low-current measurement applications. It minimizes noise and leakage currents to preserve signal integrity during sensitive characterization of devices requiring high precision at nanoampere and picoampere levels.
Technical Specifications
• Low-current measurement capability optimized for nanoampere (nA) and picoampere (pA) ranges
• Integrated shielding to reduce electromagnetic interference (EMI) and radio frequency interference (RFI) pickup
• Guard connections to minimize surface leakage currents across insulators
• Minimal internal resistance contribution to overall test circuit
• Low-noise, shielded coaxial connectors for Source, Sense, and Guard connections to device under test (DUT)
• Binding posts for external test fixture and cable connections
• Robust grounding provisions to establish stable reference potential and minimize ground loop noise
– Key Features
• Direct mating interface with Keithley 2657A High Power System SourceMeter
• Low-leakage signal path architecture for ultra-low current measurements
• Compact module form factor designed for laboratory and production environments
• Durable construction suitable for secure mounting to the Keithley 2657A
• Guarded measurement architecture for enhanced accuracy
– Typical Applications
• Semiconductor device characterization including isolation leakage and gate leakage measurements
• Sensor testing and evaluation
• Low-power component analysis
– Compatibility & Integration
This module integrates exclusively with the Keithley 2657A High Power System SourceMeter, providing the low-noise interconnect infrastructure required for measurements where signal fidelity and leakage minimization are critical.
