The Tektronix AM503 Current Probe Amplifier is a signal conditioning and amplification instrument that interfaces with Tektronix current probes to deliver precise current measurements across electronic circuits and power systems. It converts probe signals into voltage outputs suitable for oscilloscopes and data acquisition systems, enabling accurate characterization of both transient and steady-state current behavior in laboratory and industrial environments.
– Technical Specifications
Amplification: Selectable gain settings accommodate current magnitudes across the range of compatible Tektronix current probes. Gain factors vary by probe model.
Bandwidth: Frequency response is determined by the combined characteristics of the AM503 and connected current probe.
Noise: Low inherent noise floor optimizes measurement accuracy for small-signal current detection.
Accuracy: Minimal amplifier-contributed error when used with specified Tektronix current probes.
DC Offset: Adjustable offset capability for nulling residual currents and establishing zero-current baseline conditions.
Power Requirements: Operates from standard AC mains power.
Output Signal: Voltage output proportional to measured current, compatible with oscilloscopes and data acquisition systems.
– Key Features
• Dedicated connector for Tektronix current probe attachment
• BNC output connectors for signal routing
• Adjustable DC offset for baseline nulling
• Low-noise signal path for precision small-current measurement
• Benchtop form factor with rack-mount integration capability
– Typical Applications
• Power supply design and validation
• Motor control system characterization
• Electronic circuit transient analysis
• Quality assurance testing
• System troubleshooting and diagnostics
– Compatibility & Integration
The AM503 is engineered for use with Tektronix current probe models that match specified connector types and signal levels. Output signals integrate directly with standard oscilloscope and data acquisition instrument inputs.

















