The Keysight N6766A is a 500W precision DC power module designed for the N6700 Low-Profile Modular Power System and N6705 DC Power Analyzer mainframes. It offers low-noise, precise control and measurement capability down to the microampere level, with dual-digitizers for simultaneous high-speed voltage and current digitization.
Specifications
General
| Parameter | Value |
|---|---|
| Interfaces | USB, LAN, GPIB, LXI Class C (via mainframe) |
| Display | None (utilizes mainframe display) |
Physical
| Parameter | Value |
|---|---|
| Power Supply | Powered via N6700 or N6705 series mainframe |
| Operating Temperature | 0 to 55 °C |
| Dimensions (W×H×D) | Double-wide module (occupies 2 mainframe slots) |
| Weight | 1.4 kg |
Output Ratings
| Parameter | Value |
|---|---|
| Maximum Voltage Rating | 60 V |
| Maximum Current Rating | 17 A |
| Maximum Power Rating | 500 W |
| Low Current Measurement Range | 200 mA |
Programming Accuracy
| Parameter | Value |
|---|---|
| Voltage Programming Accuracy (High Range) | 0.03% + 12 mV |
| Current Programming Accuracy (High Range) | 0.075% + 4 mA |
| Voltage Programming Range | 0 V to 61.2 V |
| Current Programming Range | 0 A to 17.34 A |
Readback Accuracy
| Parameter | Value |
|---|---|
| Voltage Readback Resolution (High Range) | 600 µV |
Regulation
| Parameter | Value |
|---|---|
| Load Regulation (Voltage) | 2 mV |
| Load Regulation (Current) | 5 mA |
| Line Regulation (Voltage) | 1.2 mV |
| Line Regulation (Current) | 2 mA |
Ripple and Noise (PARD)
| Parameter | Value |
|---|---|
| Constant Voltage Ripple and Noise (Peak-to-Peak) | 6 mV |
| Constant Voltage Ripple and Noise (RMS) | 1 mV |
| Constant Current Ripple and Noise (RMS) | 4 mA |
Measurement and Digitizing Capabilities
| Parameter | Value |
|---|---|
| Digitizing Capabilities | Dual-digitizers for simultaneous V & I measurement |
| Microamp Measurement | Supported with optional hardware (Option 2UA) |
Protection and Safety
| Parameter | Value |
|---|---|
| Overvoltage Protection (OVP) Maximum Setting | 66 V |
Output Terminals and Interfacing
| Parameter | Value |
|---|---|
| Remote Sensing Capability | Up to 1 V drop per load lead |
| Series and Parallel Operation | Direct parallel or straight series supported with identical modules; auto-series/parallel not supported |
Physical and Environmental
| Parameter | Value |
|---|---|
| Module Width | 2 slots |
| Mainframe Compatibility | N6700 Modular Power System, N6705 DC Power Analyzer |
Accuracy
| Parameter | Value |
|---|---|
| Voltage Measurement Accuracy (High Range) | 0.016% + 6 mV |
| Voltage Measurement Accuracy (Low Range, 5 V) | 0.016% + 1.5 mV |
| Current Measurement Accuracy (High Range) | 0.04% + 4.5 mA |
| Current Measurement Accuracy (Low Range, 200 mA) | 0.03% + 15 µA |
| Voltage Programming Accuracy (Low Range, 5 V) | 0.016% + 1.5 mV |
| Current Programming Accuracy (Low Range, 200 mA) | 0.03% + 15 µA |
| Voltage Programming Temperature Coefficient | 0.0016% + 150 µV per °C |
| Current Programming Temperature Coefficient (High Range) | 0.004% + 15 µA per °C |
| Voltage Measurement Temperature Coefficient | 0.0016% + 100 µV per °C |
| Current Measurement Temperature Coefficient (High Range) | 0.004% + 12 µA per °C |
Protection
| Parameter | Value |
|---|---|
| Overvoltage Protection Accuracy | 0.25% + 250 mV |
| Overvoltage Protection Response Time | < 30 µs |
Outputs
| Parameter | Value |
|---|---|
| Output Isolation (to chassis) | 240 VDC |
Performance
| Parameter | Value |
|---|---|
| Command Processing Time | < 1 ms |
| Transient Response Time | < 100 µs (to recover to within 75 mV after 50% to 100% load change) |
| Maximum Voltage Drop Per Lead (Remote Sensing) | 1 V |
| Up-programming Rise Time (Full Resistive Load) | < 1.5 ms |
| Down-programming Fall Time (Full Resistive Load) | < 1.5 ms |
Accuracy & Temperature Coefficients
| Parameter | Value |
|---|---|
| Voltage Programming Temperature Coefficient (Low Range, 5 V) | 25 ppm/°C + 40 µV/°C |
| Current Programming Temperature Coefficient (Low Range, 200 mA) | 40 ppm/°C + 3 µA/°C |
| Voltage Measurement Temperature Coefficient (Low Range, 5 V) | 25 ppm/°C + 30 µV/°C |
| Current Measurement Temperature Coefficient (Low Range, 200 mA) | 40 ppm/°C + 2.5 µA/°C |
Resolution
| Parameter | Value |
|---|---|
| Voltage Programming Resolution (Low Range, 5 V) | 20 µV |
| Current Programming Resolution (Low Range, 200 mA) | 1 µA |
Output Isolation
| Parameter | Value |
|---|---|
| Maximum Output Floating Voltage | ±240 VDC (from chassis ground) |
Features
| Parameter | Value |
|---|---|
| Seamless Measurement Auto-Ranging | Yes |
| High-Speed Test Extensions (Option 054) | Standard |
| Arbitrary Waveform Generation (AWG) | Standard |
| List Mode | Standard (up to 512 points) |
Environmental
| Parameter | Value |
|---|---|
| Storage Temperature | -40 °C to 70 °C |
| Operating Altitude | Up to 2000 m |
| Operating Relative Humidity | Up to 95% (non-condensing) at up to 40 °C |
Technology
Precision DC Power Supply Module
Applications
Automated test systems (ATE) and benchtop device characterization