The Keysight E3648A is a 100 W dual-output, dual-range programmable DC power supply engineered for R&D, production, and quality assurance environments. It delivers precise, low-noise power across two independent channels with selectable voltage ranges: 0–8 V at 0–5 A, or 0–20 V at 0–2.5 A per output. Load and line regulation of ±0.01% of output plus offset ensures stable operation for sensitive analog and digital circuits.
– Technical Specifications
Electrical Performance
• Dual independent outputs, dual-range configuration
• Output 1: 0–8 V / 0–5 A; Output 2: 0–20 V / 0–2.5 A
• Load and line regulation: ±0.01% of output + offset
• Voltage ripple and noise: <5 mV peak-to-peak / 0.5 mVrms (20 Hz to 20 MHz)
• Current noise: <4 mArms (normal mode); <1.5 µArms (common mode)
• Programming accuracy: <0.05% + 10 mV (Output 1); <0.1% + 25 mV (Output 2)
• Readback accuracy: <0.05% + 5 mV voltage (Output 1); <0.15% + 5–10 mA current
Dynamic Response
• Transient response: <50 µsec to settle within 15 mV
• Load-step settling time: <90 ms
• Adjustable over-voltage protection with ±(0.5% + 0.5 V) accuracy
Input & Environmental
• AC input: 100, 115, or 230 Vac ±10% (47–63 Hz)
• Operating temperature: 0°C to 40°C
– Key Features
• Dual-output architecture with independent voltage and current controls
• Two selectable ranges per channel for maximum flexibility and precision
• VFD display with intuitive front-panel controls
• GPIB (IEEE-488) and RS-232 interfaces with SCPI command protocol
• Configurable RS-232 baud rates (300–9600, default 9600 8N2)
• Compact bench-top form factor: approximately 213–254 mm wide, 104–133 mm height, 348–374 mm deep
– Typical Applications
• Powering and testing analog and digital circuits during development and validation
• Automated test equipment requiring GPIB or serial remote control
• Laboratory supply for circuits requiring dual independent voltage sources
• Production burn-in and functional testing with precise current sourcing
– Compatibility & Integration
Standard SCPI command set enables seamless integration with test automation frameworks and laboratory information systems. Both GPIB and RS-232 interfaces support remote operation, voltage/current programming, and real-time readback of output parameters.
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