The HP/Agilent 6611C is a 40 W linear-regulated DC power supply delivering 0–8 V at 0–5 A with exceptional output stability and precision control. Purpose-built for benchtop and automated test environments, it combines fast programming response, low-noise outputs, and microampere-level measurement capability—making it ideal for R&D characterization, manufacturing test, and battery-powered device validation.
## Technical Specifications
**Output Ratings**
• Voltage: 0–8 V DC
• Current: 0–5 A DC
• Power: 40 W
• Topology: Linear-regulated
**Output Quality**
• Voltage ripple & noise (20 Hz–20 MHz): ≤0.5 mV RMS, ≤3 mV peak-to-peak
• Load regulation: ±2 mV
• Line regulation: ±0.5 mV
• Programming response (10/90%): <2 ms; settling (1 LSB): <6 ms
**Measurement & Programming Accuracy (at 25°C ± 5°C)**
• Voltage programming: ±5 mV
• Current programming: ±0.05% + 2 mA
• Voltage measurement: ±0.03% + 2 mV
**Remote Sensing**
Compensates up to 2 V dropped across each load lead; adds 2 mV to load regulation per 1 V change in positive output lead.
**Interfaces & Control**
• GPIB (IEEE-488) and RS-232
• SCPI programming language with VXIplug&play drivers
• Command processing time (GPIB): <4 ms
• Backward compatible with HP/Agilent 6632A, 6633A, 6634A command sets
**Operating Environment**
• Installation category II, pollution degree 2 (indoor use)
• Operating altitude: up to 2000 m
• Operating humidity: maximum 95% relative
• Complies with EMC directive 89/336/EEC (ISM 1B), Low Voltage Directive 73/23/EEC, CE marked
**Physical**
• Dimensions: 212.8 mm W × 88.1 mm H × 368.3 mm D (half-rack)
• Weight: 8.2 kg net
• Input power (full load): typically 1.6 A, 100 W
## Key Features
• Microampere-level measurement resolves low-current test scenarios
• ±2 mV load regulation maintains stable voltage across dynamic load transitions
• <2 ms programming response enables rapid test sequencing
• Dual-interface control (GPIB/RS-232) supports legacy and modern test systems
## Typical Applications
• Battery charger and fuel cell characterization
• Low-power integrated circuit testing
• Precision benchtop sourcing and measurement
• Automated production test of portable electronics
## Compatibility & Integration
Native SCPI language support integrates with modern test frameworks. VXIplug&play drivers provide driver-level compatibility. Command-mode selection enables operation within existing test stacks using legacy 6632A/6633A/6634A instrument commands.
