The Rohde & Schwarz FSW26 is a high-performance signal and spectrum analyzer designed to meet demanding RF measurement requirements, spanning a frequency range from 2 Hz to 26.5 GHz. Known for its low phase noise and exceptional dynamic range, it offers a standard 10 MHz analysis bandwidth, extendable up to 160 MHz via hardware options. Equipped with an intuitive 12.1" touchscreen interface, it is optimal for analyzing complex radar, wireless communications, and aerospace signals.
Specifications
General
| Parameter | Value |
|---|---|
| Interfaces | LAN (10/100/1000Base-T), USB 2.0, USB 3.0, GPIB (optional FSW-B10), DVI-D, DisplayPort |
| Display | 12.1" (31 cm) high-resolution touchscreen |
| Warm-up Time | 20 min |
Physical
| Parameter | Value |
|---|---|
| Power Supply | 100 V to 240 V AC (50 Hz to 60 Hz) or 100 V to 120 V AC (400 Hz); 150 W typ., max. 250 W (with options) |
| Operating Temperature | +5 °C to +50 °C |
| Dimensions (W×H×D) | 462 mm × 240 mm × 504 mm |
| Weight | 18.6 kg |
Frequency
| Parameter | Value |
|---|---|
| Frequency Range | 2 Hz to 26.5 GHz |
Bandwidth
| Parameter | Value |
|---|---|
| Resolution Bandwidth (RBW) Range | 1 Hz to 10 MHz (with standard filter) |
| Standard Analysis Bandwidth | 10 MHz |
| Maximum Analysis Bandwidth | 2 GHz (with options) |
| I/Q Demodulation Bandwidth (Standard) | 10 MHz |
| I/Q Demodulation Bandwidth (with FSW-B28) | 28 MHz |
| I/Q Demodulation Bandwidth (with FSW-B40) | 40 MHz |
| I/Q Demodulation Bandwidth (with FSW-B80) | 80 MHz |
| I/Q Demodulation Bandwidth (with FSW-B160) | 160 MHz |
| I/Q Demodulation Bandwidth (with FSW-B320) | 320 MHz |
| I/Q Demodulation Bandwidth (with FSW-B512) | 512 MHz |
| I/Q Demodulation Bandwidth (with FSW-B2001) | 2 GHz |
Amplitude
| Parameter | Value |
|---|---|
| DANL at 2 GHz | -156 dBm (1 Hz) typical |
| DANL at 8 GHz | -156 dBm (1 Hz) typical |
| DANL at 2 GHz (noise cancellation, preamplifier off) | -169 dBm (1 Hz) typical |
| DANL at 20 GHz | -150 dBm (1 Hz) typical |
| Display Range | Displayed noise floor to +30 dBm |
| WCDMA ACLR Dynamic Range | 88 dB (with noise cancellation) |
| Maximum Input Level (DC Voltage, AC coupled) | 50 V |
| Maximum Input Level (DC Voltage, DC coupled) | 0 V |
| Maximum Input Level (CW RF Power, RF attenuation = 0 dB) | 20 dBm (0.1 W) |
| Maximum Input Level (CW RF Power, RF attenuation ≥ 10 dB) | 30 dBm (1 W) |
| Pulse Spectral Density | 97 dB μV/MHz (RF attenuation = 0 dB, RF preamplifier OFF) |
| Maximum Pulse Voltage | 150 V (RF attenuation ≥ 10 dB) |
| Maximum Pulse Energy | 1 mWs (RF attenuation ≥ 10 dB, 10 μs) |
Phase Noise and Spurious
| Parameter | Value |
|---|---|
| Residual Spurious Response (1 MHz < f < 8.9 GHz) | <-110 dBm (RF attenuation = 0 dB) |
| Residual Spurious Response (f ≥ 8.9 GHz) | <-100 dBm (RF attenuation = 0 dB) |
Sweep
| Parameter | Value |
|---|---|
| Sweep Rate | up to 10000 sweeps/s |
Inputs, Outputs, and Connectivity
| Parameter | Value |
|---|---|
| Power Sensor Support | Integrated support for R&S NRP-Zxx power sensors |
Control and Software
| Parameter | Value |
|---|---|
| MultiView Display Mode | Allows multiple measurement applications to run and display in parallel |
Inputs & Outputs
| Parameter | Value |
|---|---|
| RF Input Connector | 3.5 mm female (ruggedized) |
| Reference Frequency Output | 10 MHz (standard), 100 MHz (with FSW-B4 option) |
| Reference Frequency Input | 1 MHz to 20 MHz (in 1 Hz steps) |
| External Reference Frequency Input Range | 1 MHz to 20 MHz (in 1 Hz steps), 100 MHz |
| External Reference Frequency Output | 10 MHz, 100 MHz |
Display
| Parameter | Value |
|---|---|
| Display Size | 12.1 inch (31 cm) |
| Display Resolution | 1280 × 800 pixels (WXGA) |
Performance
| Parameter | Value |
|---|---|
| Reference Frequency Aging per Year | 1 x 10^-7 (standard), 3 x 10^-8 (with FSW-B4 OCXO option) |
| Reference Temperature Stability | 1 x 10^-7 (0 °C to 50 °C, standard), 1 x 10^-9 (0 °C to 50 °C, with FSW-B4 option) |
| Level Measurement Uncertainty (f < 3.6 GHz) | 0.37 dB (95% confidence level) |
| Sweep Points | 101 to 100 001 |
| Trace Detectors | Max Peak, Min Peak, Auto Peak, Sample, RMS, Average, Quasi-Peak |
| Trace Functions | Clear/Write, Max Hold, Min Hold, Average, View |
| Trigger Sources | Free Run, Video, External, External 2, External 3 (option), I/Q Power, IF Power, RF Power, Power Sensor, Time |
Environmental
| Parameter | Value |
|---|---|
| Storage Temperature Range | -40 °C to +70 °C |
| Operating Altitude | Up to 3000 m |
RF Input
| Parameter | Value |
|---|---|
| RF Attenuation Range (Mechanical) | 0 dB to 75 dB (in 5 dB steps) |
| RF Attenuation Range (Electronic) | 0 dB to 30 dB (in 1 dB steps, with FSW-B25 option) |
| RF Input VSWR (f < 3.6 GHz) | < 1.15 (with 10 dB RF attenuation) |
Options
| Parameter | Value |
|---|---|
| YIG Preselector Bypass | Supported (with FSW-B11 option) |
| GPIB Interface Option | FSW-B10 |
| Preamplifier Option | FSW-B24 (100 kHz to 26.5 GHz) |
| Real-Time Analysis Bandwidth Options | 160 MHz (FSW-B160R) / 320 MHz (FSW-B320R) / 512 MHz (FSW-B512R) / 800 MHz (FSW-B800R) |
Technology
Signal and Spectrum Analysis
Applications
RF and microwave testing, radar system analysis, aerospace and defense, wireless communications, oscillator measurement