The Rohde & Schwarz FSH3 is a highly capable and cost-effective portable spectrum analyzer designed for rapid, high-precision signal investigations. With a frequency range of 100 kHz to 3 GHz, it is well-suited for a wide range of applications, from the installation and maintenance of mobile radio base stations to on-site fault location in RF cables, as well as general development and service tasks.
Specifications
General
| Parameter | Value |
|---|---|
| Interfaces | Optically coupled RS-232 / USB |
Physical
| Parameter | Value |
|---|---|
| Power Supply | 100 V to 240 V AC via adapter; Internal NiMH battery |
| Operating Temperature | 0 °C to +50 °C |
| Weight | 2.5 kg |
Frequency Specifications
| Parameter | Value |
|---|---|
| Frequency Range | 100 kHz to 3 GHz |
| Spectral Purity / Phase Noise | < -100 dBc (1 Hz) at 100 kHz from carrier |
Amplitude and Level
| Parameter | Value |
|---|---|
| Reference Level Range | -80 dBm to +20 dBm |
| Absolute Amplitude Accuracy | < 1.5 dB (typ. 0.5 dB) |
| Trace Detectors | Sample, Max Peak, Min Peak, Auto Peak, RMS |
Dynamic Range and Spurious
| Parameter | Value |
|---|---|
| Displayed Average Noise Level (DANL) | typ. -135 dBm (RBW 100 Hz) |
| Third-Order Intercept (TOI) | typ. 13 dBm |
Tracking Generator (Optional)
| Parameter | Value |
|---|---|
| Tracking Generator Output Power | -20 dBm (Model 13); -20 dBm / 0 dBm (Model 23) |
Inputs and Outputs
| Parameter | Value |
|---|---|
| RF Input Connector | N female |
| RF Input Impedance | 50 Ω |
Measurement Functions
| Parameter | Value |
|---|---|
| Preamplifier Option | Included in Model 03 and Model 23 |
| Tracking Generator Option | Included in Model 13 and Model 23 |
Inputs & Outputs
| Parameter | Value |
|---|---|
| Maximum DC Input Voltage | 50 V |
Power
| Parameter | Value |
|---|---|
| Battery Type | NiMH |
| Battery Operating Time | Up to 4 hours |
Memory & Storage
| Parameter | Value |
|---|---|
| Internal Storage capacity | 100 traces and setups |
Performance
| Parameter | Value |
|---|---|
| Audio Demodulation | AM and FM |
Amplitude & Level
| Parameter | Value |
|---|---|
| Typical Level Measurement Uncertainty | < 1.5 dB (typ. 0.5 dB) at +20 °C to +30 °C |
Data Processing
| Parameter | Value |
|---|---|
| Displayed Sweep Points | 301 |
| Trace Functions | Clear/Write, Max Hold, Min Hold, Average, View |
| Marker Functions | Peak, Next Peak, Marker to Center, Delta Marker |
Options & Accessories
| Parameter | Value |
|---|---|
| Distance-to-Fault (DTF) Option | Supported via FSH-B1 option |
| Compatible VSWR Bridges | FSH-Z2, FSH-Z3 |
| Compatible Power Sensors | FSH-Z1, FSH-Z18, FSH-Z14, FSH-Z44 |
Technology
Spectrum Analyzer
Applications
Field Service, RF Cable Fault Location, Mobile Radio Base Station Maintenance