Agilent/Keysight 6269A DC Power Supply

The Agilent/Keysight 6269A is a continuously variable DC power supply delivering 0–40 V and 0–50 A across approximately 2 kW of output power. It operates in constant voltage (CV) and constant current (CC) modes with automatic crossover, providing exceptional regulation and transient response for precision test, measurement, and R&D applications.

Technical Specifications

Output Ratings

• Voltage: 0–40 V DC


• Current: 0–50 A DC


• Power: Approximately 2 kW Regulation Performance


• CV line regulation: <0.01% + 200 µV


• CC line regulation: <0.02% + 2 mA


• CV load regulation: 0.01% + 200 µV


• CC load regulation: 0.02% + 2 mA Ripple and Noise


• CV output: 1 mV rms, 5 mV peak-to-peak


• CC output: 25 mA rms Stability

Over 8 hours post warm-up, CV drift remains <0.03% + 2 mV; CC drift <0.03% + 10 mA. Transient Response
Load transient recovery time is <150 µs to within 20 mV of nominal voltage following half-load current change. Internal Impedance (CV Mode)

• DC to 100 Hz: <0.001 Ω


• 100 Hz to 1 kHz: <0.01 Ω


• 1 kHz to 100 kHz: <0.2 Ω


• 100 kHz to 1 MHz: <2 Ω Temperature Characteristics


• Operating range: 0–55°C


• Storage range: −40–75°C


• Voltage temperature coefficient: <0.01% + 200 µV/°C


• Current temperature coefficient: <0.01% + 4 mA/°C

Key Features

• Continuously adjustable voltage and current with vernier controls for precise tuning


• Front panel meters for real-time voltage and current monitoring


• All-electronic constant current overload protection; direct short-circuit capable


• Built-in overvoltage protection


• Remote sensing for load lead voltage drop compensation


• Analog programmable via external resistance or DC voltage source


• Auto-series, auto-parallel, and auto-tracking operation for multi-unit configurations


• Rear panel terminals for output, remote sensing, and programming connections


• Optional HP-IB and RS-232 interfaces

Typical Applications DC power supply for component testing, device characterization, power conversion validation, and laboratory research where stable, low-noise power with fast transient response is required.

Compatibility & Integration Multi-unit operation via auto-series, auto-parallel, and auto-tracking modes. External analog programming and remote sensing enable integration into automated test systems and benchtop configurations.