Agilent/Keysight 66332A DC Power Supply

The Agilent/Keysight 66332A is a 100 W single-output DC power supply engineered for dynamic measurements of voltage and current waveforms in wireless communications device testing. It delivers stable power while capturing peak current behavior essential for characterizing pulsed load demands, battery drain analysis, and transient response evaluation. The unit combines high-speed output programming, low noise output, and bidirectional current capability with advanced measurement precision.

Technical Specifications

• Voltage: 0 to 20 V


• Current: 0 to 5 A continuous; 5 A peak for up to 7 ms


• Power: 100 W Programming Accuracy (at 25°C ±5°C)


• Voltage: ±10 mV


• Current: ±2 mA DC Readback Accuracy


• Voltage: 0.03% + 5 mV


• Current (+20 mA to +rated): 0.2% + 0.5 mA


• Current (−20 mA to −rated): 0.2% + 1.1 mA


• Current (−20 mA to +20 mA): 0.1% + 2.5 µA Transient Response


• Response time: Less than 100 µs (650 mV drop)


• Output rise/fall time (10/90% to 90/10%): Less than 2 ms (400 µs fast mode)


• Settling time: Within 1 LSB in less than 6 ms (2 ms fast mode)

Key Features

• Dynamic voltage and current pulse measurement capability


• Precision current measurement across full operating range


• Bidirectional current sinking for load simulation


• Low output noise for sensitive device characterization


• High-speed programmable output with fast response compensation


• Built-in measurement system for multi-mode battery drain analysis


• Open-sense wire detection for reliability verification


• Output response compensation for varying wiring configurations


• Battery simulation and replacement for field device testing


• Voltage transient response minimizes test system throughput impact

Typical Applications

• Digital wireless communications product validation


• Mobile device battery current profiling


• Pulsed load characterization


• Component-level power integrity testing


• Cellular telephone manufacturer compliance testing

Compatibility & Integration

• GPIB (IEEE-488) interface


• RS-232 interface


• SCPI command set


• VXI plug&play drivers


• Bench-top form factor: 425.5 mm W × 88.1 mm H × 364.4 mm D


• Input: 120 VAC or 191–233 VAC, 50/60 Hz


• Part of 66300 Series