The Keysight (formerly Agilent) E3647A is a high-performance, 58W dual-output programmable DC power supply designed for both benchtop and rack-mounted system environments. It offers clean, reliable power with low ripple and noise, featuring dual output channels with dual range capability (0 to 35 V / 0.8 A or 0 to 60 V / 0.5 A) and standard GPIB and RS-232 interfaces.
Specifications
General
| Parameter | Value |
|---|---|
| Interfaces | GPIB (IEEE-488), RS-232 (9-pin) |
| Display | Vacuum Fluorescent Display (VFD) |
| Acoustic Noise | < 40 dBA (with fan speed control) |
| Warm-Up Time | 30 minutes |
| Calibration Interval | 1 year |
Physical
| Parameter | Value |
|---|---|
| Power Supply | 100 Vac / 115 Vac / 230 Vac (±10%), 47 Hz to 63 Hz, 260 VA max |
| Operating Temperature | 0 to 40 °C |
| Dimensions (W×H×D) | 212.8 mm × 133.0 mm × 348.3 mm |
| Weight | 9.2 |
Output Ratings and Capabilities
| Parameter | Value |
|---|---|
| Number of Channels | 2 |
| Rated Output Power | 60 W |
| Output 1 Range 1 Rating | 0 to 35 V / 0 to 0.8 A |
| Output 1 Range 2 Rating | 0 to 60 V / 0 to 0.5 A |
| Output 2 Range 1 Rating | 0 to 35 V / 0 to 0.8 A |
| Output 2 Range 2 Rating | 0 to 60 V / 0 to 0.5 A |
| Output Voltage Isolation | 240 Vdc relative to ground |
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 |
|---|---|
| Constant Voltage Ripple (Vp-p) | < 8 mVpp |
| Constant Voltage Ripple (Vrms) | < 1 mVrms |
| Constant Current Ripple (Irms) | < 4 mArms |
| Common Mode Noise Current | < 1.5 µArms |
Programming Accuracy and Resolution
| Parameter | Value |
|---|---|
| Voltage Programming Accuracy (Output 1) | < 0.05% + 10 mV |
| Voltage Programming Accuracy (Output 2) | < 0.05% + 10 mV |
| Current Programming Accuracy (Both Outputs) | < 0.2% + 10 mA |
| Voltage Programming Resolution | 5 mV |
| Current Programming Resolution | 1 mA |
Readback Accuracy and Resolution
| Parameter | Value |
|---|---|
| Voltage Readback Accuracy (Output 1) | < 0.05% + 5 mV |
| Voltage Readback Accuracy (Output 2) | < 0.05% + 5 mV |
| Current Readback Accuracy (Output 1) | < 0.15% + 5 mA |
| Current Readback Accuracy (Output 2) | < 0.15% + 5 mA |
| Voltage Readback Resolution | 5 mV |
| Current Readback Resolution | 1 mA |
Transient Response and Dynamic Performance
| Parameter | Value |
|---|---|
| Transient Recovery Time | < 50 µs (to recover within 15 mV after 50% to 100% load change) |
Protection Features
| Parameter | Value |
|---|---|
| Over-Voltage Protection (OVP) Range 1 | 1 V to 40 V |
| Over-Voltage Protection (OVP) Range 2 | 1 V to 66 V |
System Connectivity and Interfaces
| Parameter | Value |
|---|---|
| Remote Sensing Compensation Voltage | Up to 1 V per lead (2 V total) |
Physical and Mechanical
| Parameter | Value |
|---|---|
| Form Factor | Half-rack, 3U |
| Cooling System | Fan cooled |
Environmental and Standards
| Parameter | Value |
|---|---|
| Storage Temperature Range | -20 °C to 70 °C |
| Operating Humidity Range | Up to 80% RH (non-condensing) |
Performance
| Parameter | Value |
|---|---|
| Voltage Temperature Coefficient | < 0.01% + 3 mV per °C |
| Current Temperature Coefficient | < 0.02% + 0.5 mA per °C |
| Voltage Drift (8 hours) | < 0.03% + 3 mV |
| Current Drift (8 hours) | < 0.1% + 2.5 mA |
| Command Processing Time | < 10 ms (average time for output to change after receiving GPIB command) |
| Over-Voltage Protection (OVP) Accuracy | < 0.5% + 0.5 V |
| Over-Voltage Protection (OVP) Activation Time | < 1.5 ms (OVP > 3 V), < 10 ms (OVP <= 3 V) |
| Auto-Tracking Mode | Not supported |
| Output Enable/Disable | Yes |
Programming & Control
| Parameter | Value |
|---|---|
| Non-Volatile Memory States | 3 storage locations (states 1 to 3) |
| Programming Language | SCPI (Standard Commands for Programmable Instruments) |
Power Supply
| Parameter | Value |
|---|---|
| Maximum Input Power | 155 VA |
Compliance
| Parameter | Value |
|---|---|
| Safety Compliance | Certified to CSA C22.2 No. 1010.1, EN 61010-1, UL 3111-1 |
| EMC Compliance | Complies with CISPR 11 Group 1 Class A, EN 50082-1, EN 55011 |
Protection
| Parameter | Value |
|---|---|
| Over-Current Protection (OCP) | Programmable electronic OCP |
| Over-Temperature Protection (OTP) | Yes |
Power
| Parameter | Value |
|---|---|
| AC Input Frequency | 47 Hz to 63 Hz |
| AC Input Voltage | 100 Vac / 115 Vac / 230 Vac (±10%, option dependent) |
Inputs & Outputs
| Parameter | Value |
|---|---|
| Output Terminals | Front-panel binding posts and rear-panel screw terminals |
| Remote Sensing Terminals | Rear-panel screw terminals |
Technology
Linear
Applications
General purpose benchtop testing, automated electronic test systems, and education.