The HP/Agilent 66312A is a 40 W programmable DC source delivering 0–20 V and 0–2 A for dynamic measurement and characterization of voltage and current waveforms. It combines precision voltage and current control with high-speed data acquisition, capturing instantaneous measurements with 0.03% + 5 mV voltage accuracy and 0.6% + 1 mA current accuracy across up to 4096 data points. Variable sampling intervals from 15.6 µs to 31,200 s enable analysis of transient behavior and pulsed waveforms up to 10 kHz on both ranges, and above 10 kHz on the high current range.
Technical Specifications
Output Ratings
• Voltage: 0 to 20 V
• Current: 0 to 2 A
• Power: 40 W
Dynamic Measurement Accuracy
• Instantaneous voltage: 0.03% + 5 mV
• Instantaneous current: 0.6% + 1 mA
• Data acquisition: up to 4096 points
• Sampling interval: 15.6 µs to 31,200 s
• Waveform bandwidth: DC to 10 kHz (both ranges); above 10 kHz in high range only
DC Measurement Accuracy
• Voltage: 0.03% + 3 mV
• Low current range (−20 mA to +20 mA): 0.1% + 2.5 µA
• High current range (+20 mA to 2 A): 0.2% + 0.25 mA sourcing; 0.2% + 0.85 mA sinking
• Load regulation: 2 mV / 0.5 mA
• Line regulation: 0.5 mV / 0.5 mA
• Drift: 0.5 mV, 20 µA
Programming & Control
• Resolution: 12-bit voltage and current control
• Command-processing time: 4 ms average
• Output rise/fall time (10/90%): less than 2 ms
• Voltage settling time: less than 6 ms
• Sink capability: up to 30% of rated current (fixed at 1 A)
– Key Features
• Measures currents down to microampere levels
• GPIB (IEEE-488) and RS-232 connectivity with SCPI compatibility
• Instrument state storage for repeatable test sequences
– Typical Applications
Ideal for pulse-current profiling and battery-operating-life analysis in digital wireless communications, where dynamic load characterization is essential.
– Compatibility & Integration
Standard GPIB and RS-232 interfaces enable integration into automated test systems. SCPI command support ensures cross-platform programming flexibility.
