The Keysight N9041B UXA is a flagship high-performance signal analyzer designed for millimeter-wave applications, offering continuous sweep capabilities up to 110 GHz. It delivers exceptional phase noise performance, wide analysis bandwidth, and outstanding amplitude accuracy to meet the demanding requirements of aerospace, defense, and 5G/6G communications research.
Specifications
General
| Parameter | Value |
|---|---|
| Interfaces | GPIB, LAN (1000Base-T), USB 3.0 (host & device), USB 2.0, DisplayPort, VGA |
| Display | 14.1-inch (357 mm) capacitive multi-touch screen, 1280 x 800 WXGA resolution |
| Warm-up Time | 30 minutes |
| Internal Storage | 256 GB removable solid state drive (standard) or 512 GB (optional) |
Physical
| Parameter | Value |
|---|---|
| Power Supply | 100 to 120 V AC (50/60/400 Hz), 220 to 240 V AC (50/60 Hz), < 450 W maximum power consumption |
| Operating Temperature | 0 to 55 °C |
| Dimensions (W×H×D) | 426 mm × 266 mm × 556 mm |
| Weight | 29.8 kg |
Frequency and Time Specifications
| Parameter | Value |
|---|---|
| Frequency Range | 2 Hz to 90 GHz (Option 590) or 110 GHz (Option 511) |
| Frequency Span Range | 0 Hz (zero span), 10 Hz to 90 or 110 GHz |
| Frequency Reference Accuracy | ±(aging rate × time since last adjustment + temperature stability + calibration accuracy) |
| Aging Rate (per Year) | ±1.5 × 10^-7 per year |
| Temperature Stability | ±1.5 × 10^-8 (0 to 55 °C) |
Amplitude Specifications
| Parameter | Value |
|---|---|
| Measurement Range | Displayed Average Noise Level (DANL) to +30 dBm |
| Maximum Input Level (DC Voltage) - Input 1 | ±0.2 V |
| Maximum Input Level (DC Voltage) - Input 2 | 0 V (DC coupled) |
| Maximum Input Level (RF Power) - Input 1 | +30 dBm (1 W) |
| Maximum Input Level (RF Power) - Input 2 | +23 dBm |
| Attenuator Range (Input 1) | 0 to 70 dB in 2 dB steps |
| Attenuator Range (Input 2) | 0 to 40 dB in 2 dB steps |
Bandwidth and Sweep
| Parameter | Value |
|---|---|
| Resolution Bandwidth (RBW) Range (-3 dB) | 1 Hz to 8 MHz (in 1-3-10 sequence), wideband options to 20 MHz |
| Resolution Bandwidth (RBW) Accuracy | ±1.0% (1 Hz to 3 MHz) |
| Video Bandwidth (VBW) Range | 1 Hz to 8 MHz, plus wide open (VBW ≥ RBW) |
| Sweep Points Range | 1 to 40,001 (swept and FFT) |
| Sweep Triggers | Free Run, Line, Video, External 1, External 2, RF Burst, Periodic Timer |
Phase Noise and Spurious
| Parameter | Value |
|---|---|
| Phase Noise at 1 GHz (10 kHz Offset) | -136 dBc/Hz |
| Phase Noise at 1 GHz (100 kHz Offset) | -135 dBc/Hz |
| Phase Noise at 1 GHz (1 MHz Offset) | -145 dBc/Hz |
Analysis and Real-Time Capabilities
| Parameter | Value |
|---|---|
| Standard Analysis Bandwidth | 25 MHz |
| Maximum Analysis Bandwidth (with Options) | Up to 1 GHz (Option B1X) |
| Real-Time Bandwidth (RTBW) | Up to 510 MHz (Option RT1 or RT2) |
| Probability of Intercept (POI) for 100% Amplitude | 3.51 µs (with 510 MHz RTBW option) |
Inputs, Outputs, and Connectivity
| Parameter | Value |
|---|---|
| RF Input 1 Connector Type | 2.4 mm female or 1.85 mm female (configuration dependent) |
| RF Input 2 Connector Type | 1.0 mm male (up to 110 GHz) |
| RF Input Impedance | 50 Ω (nominal) |
| 10 MHz Reference Input | BNC female, -5 to +10 dBm (nominal) |
| 10 MHz Reference Output | BNC female, ≥ 0 dBm (nominal) |
Control and Software
| Parameter | Value |
|---|---|
| Operating System | Windows 10 IoT Enterprise |
| Standard Measurements | Channel Power, ACP, OBW, Multi-Carrier Power, Power Stat CCDF, Harmonic Distortion, Spurious Emission, Spectrum Emission Mask |
Physical, Environmental, and Power
| Parameter | Value |
|---|---|
| Recommended Calibration Cycle | 1 year |
| EMC Compliance | Complies with European EMC Directive 2014/30/EU, IEC/EN 61326-1 |
| Safety Compliance | Complies with European Low Voltage Directive 2014/35/EU, IEC/EN 61010-1 |
Environmental
| Parameter | Value |
|---|---|
| Storage Temperature Range | -40 °C to +70 °C |
| Operating Altitude | Up to 4,600 meters |
| Operating Humidity | Up to 95% relative humidity (non-condensing) |
| Vibration (Operating) | 0.21 g rms, 5 to 500 Hz |
| Shock (Non-operating) | 30 g, half-sine, 11 ms |
Interfaces
| Parameter | Value |
|---|---|
| External Display Outputs | DisplayPort and DVI-I |
| LAN Interface Speed | 1000Base-T (Gigabit) Ethernet |
| USB Ports | 1x USB 2.0 (front), 1x USB 3.0 (front), 4x USB 3.0 (rear) |
Power
| Parameter | Value |
|---|---|
| Power Consumption (Maximum) | 450 W |
| Power Consumption (Typical) | 350 W |
Dynamic Range
| Parameter | Value |
|---|---|
| Displayed Average Noise Level (DANL) at 1 GHz (Input 1, No Preamp) | -153 dBm/Hz (typical) |
| Displayed Average Noise Level (DANL) at 50 GHz (Input 1, No Preamp) | -140 dBm/Hz (typical) |
| Displayed Average Noise Level (DANL) at 110 GHz (Input 2, No Preamp) | -136 dBm/Hz (typical) |
| Third-Order Intercept (TOI) at 1 GHz (Input 1) | +21 dBm (typical) |
| Third-Order Intercept (TOI) at 50 GHz (Input 1) | +13 dBm (typical) |
| Third-Order Intercept (TOI) at 110 GHz (Input 2) | +15 dBm (typical) |
| 1 dB Gain Compression at 1 GHz (Input 1) | +15 dBm (nominal) |
Performance
| Parameter | Value |
|---|---|
| Sweep Time Range (Span > 0 Hz) | 1 µs to 6000 s |
| Sweep Time Range (Zero Span) | 1 µs to 6000 s |
Technology
Superheterodyne Spectrum and Signal Analysis
Applications
Millimeter-wave RF design, 5G/6G research, aerospace and defense communication testing