The Rohde & Schwarz FSWP26 is a high-performance Phase Noise Analyzer and VCO Tester, operating in the frequency range from 1 MHz to 26.5 GHz. Highly regarded for its exceptional sensitivity and fast measurement speed, it integrates phase noise and VCO testing capabilities with an optional high-end signal and spectrum analyzer, making it a versatile tool for radar, aerospace, defense, and high-performance synthesizer design applications.
Specifications
General
| Parameter | Value |
|---|---|
| Display | 12.1-inch WXGA color TFT touchscreen (1280 × 800 pixels) |
Physical
| Parameter | Value |
|---|---|
| Power Supply | 100 V to 240 V AC (±10%), 50 Hz to 60 Hz / 400 Hz (±5%), typical 120 W (up to 400 W with options) |
| Dimensions (W×H×D) | 444 mm × 240 mm × 517 mm (without handles) |
| Weight | 21.0 |
Frequency
| Parameter | Value |
|---|---|
| Frequency Range | 1 MHz to 26.5 GHz |
| Frequency Resolution | 0.01 Hz |
| External Reference Input Frequency | 1 MHz to 20 MHz (in 1 Hz steps) |
| External Reference Output Frequency | 10 MHz |
Phase Noise Measurement
| Parameter | Value |
|---|---|
| Phase Noise Offset Frequency Range | 1 mHz to 1 GHz |
| Maximum Number of Cross-Correlations | 1,000,000 |
VCO Tester DC Sources
| Parameter | Value |
|---|---|
| Tuning Voltage Range | -10 V to +28 V |
| Tuning Voltage Resolution | 0.1 mV |
| Tuning Voltage Maximum Current | 20 mA |
| Supply Voltage Range 1 | 0 V to 16 V |
| Supply Voltage Range 2 | 0 V to 16 V |
RF Input
| Parameter | Value |
|---|---|
| RF Input Impedance | 50 Ω |
| RF Input Connector Type | 3.5 mm female |
| Maximum RF Input Level (with attenuation) | +30 dBm (1 W) |
| Maximum DC Input Voltage | 0 V (DC coupled) |
| Input VSWR (f < 3 GHz) | < 1.2 |
| Input VSWR (3 GHz to 8 GHz) | < 1.3 |
| Input VSWR (8 GHz to 26.5 GHz) | < 1.8 |
Noise Source Drive & Calibration
| Parameter | Value |
|---|---|
| Noise Source Drive Voltage | 28 V DC (switchable) |
| Noise Source Connector | BNC female (rear panel) |
| Smart Noise Source Support | Yes (with R&S FS-SNS support) |
Spectrum Analyzer (Option R&S FSWP-B1)
| Parameter | Value |
|---|---|
| Option B1 Frequency Range | 10 Hz to 26.5 GHz |
| Option B1 Resolution Bandwidths (RBW) | 1 Hz to 10 MHz |
| Option B1 Displayed Average Noise Level (DANL, 1 GHz, 1 Hz RBW) | <-152 dBm (typ. -156 dBm) |
| Option B1 Third-Order Intercept (TOI, 1 GHz) | > +20 dBm (typ. +25 dBm) |
General & Environmental
| Parameter | Value |
|---|---|
| Operating System | Windows 10 IoT Enterprise |
| Internal Storage | Removable Solid State Drive (SSD) |
| Storage Temperature Range | -40 °C to +70 °C |
| Operating Humidity Limits | 95% relative humidity (non-condensing) |
| Recommended Calibration Interval | 1 year |
Connectivity
| Parameter | Value |
|---|---|
| USB 2.0 Ports | 2 (front) |
| USB 3.0 Ports | 2 (rear) |
| LAN Port | 1 × RJ-45 (10/100/1000Base-T) |
| External Display Ports | 1 × DVI-D, 1 × DisplayPort |
| Reference Input Connector | BNC female |
| Reference Output Connector | BNC female |
| Trigger Input/Output Connectors | BNC female |
Power & Physical
| Parameter | Value |
|---|---|
| AC Input Voltage Range | 100 V to 240 V AC (±10%) |
| AC Input Frequency Range | 50 Hz to 60 Hz / 400 Hz |
| Maximum Power Consumption | 250 W |
| Base Power Consumption (typical) | 120 W |
| Weight (Base Instrument) | 21.0 kg (46.3 lb) |
| Rackmount Height Units | 5 U |
VCO Measurements
| Parameter | Value |
|---|---|
| Tuning Voltage Accuracy | ±(0.05% + 2 mV) |
| Supply Voltage Accuracy | ±(0.1% + 10 mV) |
Reference Frequency
| Parameter | Value |
|---|---|
| OCXO Aging per Year | ±3 × 10⁻⁸ (with Option B4) |
| OCXO Temperature Stability (0 °C to +50 °C) | ±1 × 10⁻⁹ (with Option B4) |
| Standard Reference Frequency Aging per Year | 1 × 10^-6 |
| Standard Reference Temperature Stability (0 °C to +50 °C) | 1 × 10^-6 |
| Option B4 OCXO Aging per Day | 1 × 10^-10 |
Spectrum Analyzer
| Parameter | Value |
|---|---|
| Signal Analysis Bandwidth (Standard) | 10 MHz (with Option B1) |
| Signal Analysis Bandwidth (Maximum) | up to 80 MHz (Option B80) / 320 MHz (Option B320) |
AM Noise Measurements
| Parameter | Value |
|---|---|
| AM Noise Carrier Frequency Range | 1 MHz to 26.5 GHz |
| AM Noise Offset Frequency Range | 1 Hz to 30 MHz |
Additive Phase Noise
| Parameter | Value |
|---|---|
| Internal Test Source Frequency Range | 10 MHz to 26.5 GHz (with Option B21 and Option B64) |
Pulsed Phase Noise Measurements
| Parameter | Value |
|---|---|
| Pulsed Phase Noise Carrier Frequency Range | 10 MHz to 26.5 GHz (with Option K4) |
Noise Figure Measurements
| Parameter | Value |
|---|---|
| Noise Figure Measurement Frequency Range | 10 MHz to 26.5 GHz (with Option K30 and Option B1) |
Environmental
| Parameter | Value |
|---|---|
| Maximum Operating Altitude | 3000 m |
| Maximum Storage Altitude | 4600 m |
| Vibration (Random) | 1.2 g RMS (10 Hz to 300 Hz) |
VCO Parameter Measurements
| Parameter | Value |
|---|---|
| Tuning Voltage Noise Density | 0.5 nV/√Hz (typical, at 10 kHz offset) |
| Supply Voltage Noise Density | 0.5 nV/√Hz (typical, at 10 kHz offset) |
Noise Figure Measurements (Option K30)
| Parameter | Value |
|---|---|
| Noise Figure Measurement Range | 0 dB to 35 dB (option dependent) |
| Noise Figure Gain Measurement Range | -10 dB to +50 dB (option dependent) |
Spectrum Analyzer (Option B1)
| Parameter | Value |
|---|---|
| Option B1 FFT Filter Bandwidth Range | 1 Hz to 3 MHz |
Transient Measurements (Option K60)
| Parameter | Value |
|---|---|
| Transient Analysis Bandwidth | Transient Analysis Bandwidth = 80 MHz (standard), up to 8 GHz (with option R&S®FSWP-B8000) |
Interfaces
| Parameter | Value |
|---|---|
| LXI Compliance | LXI Version 1.4 Core Device |
Technology
Phase Noise Analysis & VCO Testing
Applications
Aerospace, Defense, Radar, Wireless Communications, Synthesizer Design