The Rohde & Schwarz FSU67 is a high-performance spectrum analyzer designed for demanding RF, microwave, and millimeter-wave applications, offering an exceptional direct frequency range from 20 Hz up to 67 GHz. Utilizing fundamental mixing over its entire frequency span, it eliminates the need for external harmonic mixers, thereby simplifying test setups and avoiding image and multiple responses. With its wide resolution bandwidth, low noise floor, high display linearity, and a comprehensive suite of measurement functions, the FSU67 provides outstanding accuracy and speed for advanced signal analysis.
Specifications
General
| Parameter | Value |
|---|---|
| Interfaces | GPIB (IEEE-488.2), LAN (10/100 Base-T), USB 2.0, VGA, RS-232, PS/2 |
| Display | 21 cm (8.4") TFT color SVGA LCD, 800 x 600 pixels |
Physical
| Parameter | Value |
|---|---|
| Power Supply | 100 V to 240 V AC, 50 Hz to 60 Hz / 400 Hz |
| Operating Temperature | 5 °C to 40 °C |
| Dimensions (W×H×D) | 435 mm × 192 mm × 460 mm |
Frequency Specifications
| Parameter | Value |
|---|---|
| Frequency Range | 20 Hz to 67 GHz |
| Frequency Resolution | 0.01 Hz |
| Frequency Span Range | 0 Hz (zero span), 10 Hz to 67 GHz |
| Frequency Span Accuracy | 0.1% |
| Reference Frequency Aging Rate | 1 x 10^-7 per year (standard); 2 x 10^-9 per year (with Option FSU-B4) |
| Reference Frequency Temperature Stability | 1 x 10^-6 (standard, +5 °C to +45 °C); 1 x 10^-9 (with Option FSU-B4) |
| Marker Frequency Counter Resolution | 0.1 Hz to 10 kHz (selectable) |
Spectral Purity and Noise
| Parameter | Value |
|---|---|
| Residual FM | < 1 Hz (rms) in 0.1 s |
| System Displayed Average Noise Level (DANL) at 2 GHz | -152 dBm (1 Hz) |
Amplitude and Dynamic Range Specifications
| Parameter | Value |
|---|---|
| Amplitude Measurement Range | DANL to +30 dBm |
| Maximum Safe RF Input Level (Power) | +30 dBm (1 W) |
| Maximum Safe DC Input Voltage | 0 V |
| Third-Order Intercept Point (TOI) | > 20 dBm (typical, at 2 GHz) |
| Input Attenuator Range | 0 dB to 75 dB |
| Input Attenuator Steps | 5 dB |
| Display Linearity | < 0.1 dB |
| Reference Level Range | -130 dBm to +30 dBm |
Bandwidth (RBW / VBW)
| Parameter | Value |
|---|---|
| Resolution Bandwidth (RBW) Range | 1 Hz to 50 MHz |
| Resolution Bandwidth (RBW) Steps | 1, 2, 3, 5 sequence |
| FFT Filter Range | 1 Hz to 30 kHz |
| Channel Filter Range | 100 Hz to 5 MHz |
| Video Bandwidth (VBW) Range | 1 Hz to 10 MHz |
| Video Bandwidth (VBW) Steps | 1, 2, 3, 5 sequence |
| Filter Types | Gaussian, Flat-top, EMI (6 dB), Channel, FFT |
Sweep and Trigger
| Parameter | Value |
|---|---|
| Sweep Time Range (Span > 0) | 2.5 ms to 16000 s |
| Sweep Time Range (Zero Span) | 1 µs to 16000 s |
| Sweep Trigger Sources | Free Run, Video, External, Line, IF Power |
| Number of Sweep Points | 155 to 30001 (selectable) |
Measurement and Detection Functions
| Parameter | Value |
|---|---|
| Detector Types | Max Peak, Min Peak, Auto Peak, Sample, RMS, Average, Quasi-Peak |
| Trace Functions | Clear/Write, Max Hold, Min Hold, Average, View, Blank |
| Number of Concurrent Traces | 3 |
| Standard Measurement Suites | Channel Power (CP), Adjacent Channel Power (ACP), Occupied Bandwidth (OBW), Spectrum Emission Mask (SEM), Third-Order Intercept (TOI), Harmonic Distortion, Spurious Emissions |
| Marker Functions | Peak, Next Peak, Delta, Band Power, Noise Marker, Marker Table, Frequency Counter |
| Power Sensor Compatibility | Direct connection of R&S NRP series power sensors (Option R&S FS-K9 and R&S NRP-Z6 required) |
| External Generator Control | Supported (allows external microwave generator to act as tracking generator for scalar network measurements) |
RF Inputs and Outputs
| Parameter | Value |
|---|---|
| RF Input Connector Type | 1.85 mm female, coaxial |
| RF Input Impedance | 50 Ω |
| External Reference Input Frequency | 1 MHz to 20 MHz (in 1 MHz steps) |
| External Reference Output Frequency | 10 MHz |
| IF Output Frequency | 21.4 MHz |
Digital Connectivity and Interfaces
| Parameter | Value |
|---|---|
| GPIB Interface | IEEE-488.2 |
| LAN Port | 10/100 Base-T (RJ-45) |
| USB Host Ports | USB 2.0 (Type A) |
| Display Output | VGA (D-Sub 15-pin) |
| SCPI Command Language Compatibility | Yes |
User Interface and Display
| Parameter | Value |
|---|---|
| Display Type | TFT Color LCD |
| Display Size | 21 cm (8.4 in) |
| Display Resolution | 800 x 600 pixels (SVGA) |
Power and Mechanical
| Parameter | Value |
|---|---|
| AC Power Input Voltage | 100 V to 240 V AC |
| AC Power Line Frequency | 50 Hz to 60 Hz / 400 Hz |
| Power Consumption | Typ. 150 W (without options) |
| Form Factor | 4U 19-inch Rackmount |
Environmental and Standards Compliance
| Parameter | Value |
|---|---|
| Storage Temperature Range | -40 °C to +70 °C |
| Recommended Calibration Cycle | 1 Year |
Technology
Spectrum Analysis
Applications
RF, Microwave, and Millimeter-wave Signal Analysis