The Keysight Technologies (Agilent) E3646A is a clean, reliable 54W dual-output programmable DC power supply designed for versatile benchtop and system testing. Combining low ripple and noise with integrated programming and measurement capabilities, it delivers precise power control through standard GPIB and RS-232 interfaces.
Specifications
General
| Parameter | Value |
|---|---|
| Interfaces | GPIB (IEEE-488) and RS-232 |
Physical
| Parameter | Value |
|---|---|
| Dimensions (W×H×D) | 212.8 mm W × 133.0 mm H × 348.3 mm D |
| Weight | 8.2 kg |
Output Ratings
| Parameter | Value |
|---|---|
| Number of Outputs | 2 |
| Output 1 Range 1 Voltage | 0 to 8 V |
| Output 1 Range 1 Current | 0 to 3 A |
| Output 1 Range 2 Voltage | 0 to 20 V |
| Output 1 Range 2 Current | 0 to 1.5 A |
| Output 2 Range 1 Voltage | 0 to 8 V |
| Output 2 Range 1 Current | 0 to 3 A |
| Output 2 Range 2 Voltage | 0 to 20 V |
| Output 2 Range 2 Current | 0 to 1.5 A |
| Maximum Total Output Power | 60 W |
Load and Line Regulation
| Parameter | Value |
|---|---|
| Voltage Load Regulation | <0.01% + 3 mV |
| Current Load Regulation | <0.01% + 250 µA |
| Voltage Line Regulation | <0.01% + 3 mV |
| Current Line Regulation | <0.01% + 250 µA |
Ripple and Noise
| Parameter | Value |
|---|---|
| Normal Mode Voltage Ripple (RMS) | <0.5 mVrms |
| Normal Mode Voltage Ripple (Peak-to-Peak) | <5 mVpp |
| Normal Mode Current Ripple (RMS) | <4 mArms |
| Common Mode Current (RMS) | <1.5 µArms |
| Noise Bandwidth Limit | 20 Hz to 20 MHz |
Programming Accuracy
| Parameter | Value |
|---|---|
| Output 1 Voltage Programming Accuracy | <0.05% + 10 mV |
| Output 1 Current Programming Accuracy | <0.2% + 10 mA |
| Output 2 Voltage Programming Accuracy | <0.05% + 10 mV |
| Output 2 Current Programming Accuracy | <0.2% + 10 mA |
Readback Accuracy
| Parameter | Value |
|---|---|
| Output 1 Voltage Readback Accuracy | <0.05% + 5 mV |
| Output 1 Current Readback Accuracy | <0.15% + 5 mA |
| Output 2 Voltage Readback Accuracy | <0.05% + 5 mV |
| Output 2 Current Readback Accuracy | <0.15% + 5 mA |
Resolution
| Parameter | Value |
|---|---|
| Meter Display Current Resolution | 1 mA |
Transient Response and Settling Time
| Parameter | Value |
|---|---|
| Transient Recovery Time | <50 µs |
| Transient Voltage Settling Bandwidth | within 15 mV of nominal value |
Protection Features
| Parameter | Value |
|---|---|
| Overvoltage Protection Accuracy | ±(0.5% + 0.5 V) |
| Overvoltage Protection Response Time | <1.5 ms |
System and Front Panel Features
| Parameter | Value |
|---|---|
| Remote Sensing Maximum Voltage Drop | 1 V per lead |
| State Storage Capacity | 5 save/recall states |
Connectivity and Programming
| Parameter | Value |
|---|---|
| GPIB Interface | Yes (IEEE-488) |
| RS-232 Interface | Yes (9-pin D-sub) |
| Command Language Support | SCPI (Standard Commands for Programmable Instruments) |
Power Requirements
| Parameter | Value |
|---|---|
| AC Input Frequency Range | 47 to 63 Hz |
Physical Characteristics
| Parameter | Value |
|---|---|
| Form Factor | Half-rack 2U |
| Cooling Mechanism | Fan cooled (low noise) |
Environmental and Safety Compliance
| Parameter | Value |
|---|---|
| Operating Temperature Range | 0°C to 40°C (full specs), 40°C to 55°C (derated) |
| Storage Temperature Range | -20°C to 70°C |
| Maximum Operating Humidity | Up to 80% RH (non-condensing) |
| Recommended Calibration Interval | 1 year |
Temperature Coefficient
| Parameter | Value |
|---|---|
| Voltage Temperature Coefficient | <0.01% + 3 mV per °C |
Performance
| Parameter | Value |
|---|---|
| Recommended Warm-up Time | 1 hour |
Power
| Parameter | Value |
|---|---|
| AC Input Voltage Options | 100 Vac 10% (Opt 0E9) / 115 Vac 10% (Opt 0EM) / 230 Vac 10% (Opt 0E3) |
Technology
Linear
Applications
Test and Measurement