Keysight 66321B Mobile Communication DC Source
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Keysight 66321B single-output DC source with 15V/3A range, battery emulation, fast transient response, and precision measurement for wireless device testing.
Product details
| Model | 66321B |
| Manufacturer | Keysight |
| Category | DC Power Supplies |
| Availability | Made to order |
Description
Overview
The Keysight 66321B is a single-output DC source designed for mobile communications testing. It delivers fast transient response, exceptional sourcing capabilities, programmable output resistance, and precision measurement. The instrument simulates the internal resistance of batteries and battery packs, enabling realistic device testing under dynamic power conditions. R&D engineers can characterize battery current requirements and optimize device designs for extended battery life.
Key Features
- Single output: 0 to 15V, 0 to 3A (5A peak current for up to 7 ms)
- Battery emulation with adjustable internal resistance
- Fast voltage transient response (less than 20 ms)
- Precision measurement system for dynamic current analysis
- Three measurement ranges for talk, standby, and off modes
- Four programmable output response compensation modes
- Electronic load capability for charger circuit calibration
- GPIB interface with SCPI and VXI drivers
- Automatic open sense wire detection
- Remote sense for improved accuracy
Applications
- Testing mobile phones and wireless devices during development
- Battery pack characterization and performance optimization
- Current drain measurement across multiple device operating states
- Charger circuit validation and component testing
- Device power management optimization
- Integration with Keysight 14565B software for data logging and analysis
Specifications
| Output Voltage Range | 0 to 15 V |
| Output Current Range | 0 to 3 A |
| Peak Current | 5 A (up to 7 ms) |
| Voltage Programming Accuracy | 0.05% + 10 mV |
| Current Programming Accuracy | 1.33 mA |
| Voltage Readback Accuracy | 0.03% + 5 mV |
| Current Readback Accuracy (±3 A to ±5 A) | 0.2% + 0.5 mA |
| Current Readback Accuracy (±1 A to ±1 A) | 0.1% + 0.2 mA |
| Current Readback Accuracy (±20 mA to ±20 mA) | 0.1% + 2.5 µA |
| Transient Response | Less than 20 ms |
| Ripple & Noise | 6 mVp-p |
| Number of Outputs | 1 |
| Battery Emulation | Yes |
| Interface | GPIB with SCPI |
| Operating Temperature | 0°C to 50°C |
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Keysight 66321B Mobile Communication DC Source
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