The Rohde & Schwarz FS300 is a high-precision, portable spectrum analyzer covering a frequency range from 9 kHz to 3 GHz. Utilizing advanced digital frequency processing, it delivers exceptional measurement quality, reliability, and value for RF analysis in both field and lab environments.
Specifications
General
| Parameter | Value |
|---|---|
| Interfaces | USB (Type B, device) |
| Display | 5.7" TFT color LCD (320 × 240 pixels) |
| Power Consumption | typ. 30 W |
| Warm-Up Time | 20 minutes |
Physical
| Parameter | Value |
|---|---|
| Operating Temperature | +5 °C to +40 °C |
| Dimensions (W×H×D) | 219 mm × 147 mm × 350 mm |
Frequency and Amplitude Performance
| Parameter | Value |
|---|---|
| Frequency Range | 9 kHz to 3 GHz |
| Resolution Bandwidth (RBW) Range | 200 Hz to 1 MHz |
| Video Bandwidth (VBW) Range | 10 Hz to 1 MHz (1, 3 sequence) |
| Dynamic Range | >137 dB |
| Noise Level (DANL) | typ. -120 dBm (at 300 Hz RBW) |
| Absolute Amplitude Accuracy | <0.7 dB |
| Frequency Counter Resolution | 1 Hz |
| Maximum Safe RF Input Level | +30 dBm |
Inputs, Outputs and Interfaces
| Parameter | Value |
|---|---|
| RF Input Impedance | 50 Ω |
| RF Input Connector Type | N female |
| External Reference Input Frequency | 10 MHz |
| External Reference Input Connector | BNC female |
Physical and Environmental Specifications
| Parameter | Value |
|---|---|
| Storage Temperature Range | -20 °C to +70 °C |
Frequency
| Parameter | Value |
|---|---|
| Frequency Span Range | 0 Hz, 1 kHz to 3 GHz |
| SSB Phase Noise | <-95 dBc (1 Hz) at 10 kHz offset (500 MHz carrier) |
| Frequency Aging | < 1 × 10⁻⁶ per year |
| Frequency Temperature Drift | < 2 × 10⁻⁶ (0 °C to 50 °C) |
| Frequency Resolution | 1 Hz |
Sweep
| Parameter | Value |
|---|---|
| Sweep Time (Span > 0 Hz) | 50 ms to 100 s |
| Sweep Time (Zero Span) | 150 µs to 100 s |
| Sweep Triggers | Free Run, Video, External |
Amplitude
| Parameter | Value |
|---|---|
| RF Attenuation Range | 0 to 50 dB (10 dB steps) |
| Reference Level Range | -80 dBm to +20 dBm (1 dB steps) |
| Third-Order Intercept (TOI) | typ. +10 dBm |
| 1 dB Compression Point | typ. 0 dBm (0 dB RF attenuation) |
Signal Processing
| Parameter | Value |
|---|---|
| Detectors | Auto Peak, Max Peak, Min Peak, Sample, RMS |
Inputs & Outputs
| Parameter | Value |
|---|---|
| External Trigger Input Connector | BNC female (rear panel) |
| Audio Output Connector | 3.5 mm jack (rear panel) |
| External Reference Input Level | 0 dBm to +10 dBm |
| Max. DC Voltage at RF Input | 0 V |
| Max. RF Pulse Input Voltage | 150 V |
| USB Interface Type | USB 1.1 Type-B (device) |
Display
| Parameter | Value |
|---|---|
| Display Type | Color TFT LCD |
| Display Size | 5.7" (14.2 cm) |
| Display Resolution | 320 × 240 pixels (QVGA) |
Measurement Settings
| Parameter | Value |
|---|---|
| Level Units | dBm, dBµV, dBmV |
| Active Markers | 1 normal, 1 delta |
Environmental & Compliance
| Parameter | Value |
|---|---|
| Vibration Resistance | 5 Hz to 55 Hz (IEC 60068-2-6) |
| Electrical Safety Compliance | EN 61010-1, UL 3111-1, CSA C22.2 No. 1010.1 |
| EMC Compliance | EN 61326-1, EN 50081-1, EN 50082-2 |
Technology
Superheterodyne Spectrum Analysis
Applications
RF Spectrum Analysis and Testing