The Keysight N9040B UXA is the flagship X-Series signal analyzer, delivering high-performance real-time spectrum analysis. With baseline frequency coverage up to 26.5 GHz (extensible to 1.1 THz with external mixing) and analysis bandwidths up to 510 MHz, it offers industry-leading phase noise and dynamic range. Equipped with a streamlined 14.1-inch touchscreen and comprehensive measurement software, the UXA is designed for advanced aerospace, defense, and commercial communications applications.
Specifications
General
| Parameter | Value |
|---|---|
| Interfaces | USB 3.0, USB 2.0, 1000Base-T LAN, GPIB |
| Display | 14.1-inch touch-driven interface |
| Data Storage | Removable solid-state drive (SSD) |
| Calibration Cycle | 1 year |
Physical
| Parameter | Value |
|---|---|
| Power Supply | 100 to 120 V, 50/60/400 Hz; 220 to 240 V, 50/60 Hz |
Frequency Specifications
| Parameter | Value |
|---|---|
| Frequency Range | 2 Hz to 8.4, 13.6, 26.5, 44, or 50 GHz |
| Frequency Band Options | Option 508 (8.4 GHz), Option 513 (13.6 GHz), Option 526 (26.5 GHz), Option 544 (44 GHz), Option 550 (50 GHz) |
| Frequency Extension | Up to 110 GHz with Keysight smart mixers; up to 1.1 THz with standard external mixing |
| Phase Noise @ 10 kHz Offset | -136 dBc/Hz (@ 1 GHz carrier) |
Amplitude Specifications
| Parameter | Value |
|---|---|
| Absolute Amplitude Accuracy | ±0.16 dB |
| Spurious-Free Dynamic Range (SFDR) | >78 dBc (full band) |
Analysis Bandwidth & Spurious Responses
| Parameter | Value |
|---|---|
| Standard Analysis Bandwidth | 25 MHz |
| Real-Time Analysis Capabilities | Optional |
Sweep and Trace Specifications
| Parameter | Value |
|---|---|
| Sweep Capabilities | Fast sweep capability (standard) |
Software & Measurement Functions
| Parameter | Value |
|---|---|
| One-Button Power Measurements | Keysight PowerSuite (standard), fast power measurements (optional) |
| Remote Control / SCPI Compatibility | LXI compliant, SCPI, IVI-COM |
Inputs & Outputs
| Parameter | Value |
|---|---|
| RF Input Connector (44 GHz & 50 GHz Options) | 2.4 mm (male) |
| External Reference Input | 10 MHz (BNC) |
RF Input
| Parameter | Value |
|---|---|
| Input Attenuator | 0 to 70 dB in 2 dB steps |
Amplitude
| Parameter | Value |
|---|---|
| Maximum Safe Input Power | +30 dBm (1 W) |
| Amplitude Measurement Range | Displayed Average Noise Level (DANL) to +30 dBm |
Bandwidth
| Parameter | Value |
|---|---|
| Resolution Bandwidth (RBW) | 1 Hz to 8 MHz |
Analysis
| Parameter | Value |
|---|---|
| Trace Detectors | Normal, Positive Peak, Negative Peak, Sample, RMS Average, Voltage Average, Log Power Average |
Triggering
| Parameter | Value |
|---|---|
| Trigger Sources | Free Run, Video, Line, External 1, External 2, RF Burst, Periodic Timer |
Technology
Real-Time Signal Analyzer (RTSA)
Applications
Aerospace, defense, and commercial communications wideband signal analysis