The Rohde & Schwarz FSEB20 is a high-performance spectrum analyzer from the legacy FSE Series, covering a frequency range from 20 Hz to 7 GHz. Designed for demanding signal analysis, it provides exceptional dynamic range, fast sweep times, and versatile demodulation capabilities.

Specifications

General

ParameterValue
InterfacesGPIB (IEEE 488.2), RS-232-C, Parallel (LPT), User Port
Display9.5-inch Color TFT LCD, 640 × 480 pixels
Removable Storage3.5" Floppy Disk Drive (1.44 MB)

Physical

ParameterValue
Power Supply100 V to 240 V AC, 50 Hz to 400 Hz
Operating Temperature+5 °C to +45 °C
Dimensions (W×H×D)435 mm × 236 mm × 573 mm
Weight26 kg

Frequency and Amplitude Performance

ParameterValue
Frequency Range9 kHz to 7 GHz
Attenuator Range0 dB to 70 dB
Attenuator Step Size10 dB

Bandwidth and Sweep Characteristics

ParameterValue
Resolution Bandwidth (RBW) Range10 Hz to 10 MHz
Resolution Bandwidth Steps1, 2, 3, 5
Minimum Video Bandwidth1 Hz
Maximum Video Bandwidth10 MHz
Video Bandwidth Steps1, 2, 3, 5
Minimum Sweep Time1 µs
Maximum Sweep Time16000 s

Measurement Capabilities and Signal Processing

ParameterValue
Demodulation FormatsAM, FM

Inputs, Outputs and Interfaces

ParameterValue
RF Input Connector TypeN-type (female)
RF Input Impedance50 Ω
External Reference Input Frequency10 MHz

Inputs & Outputs

ParameterValue
Maximum Input RF Power+30 dBm (1 W) with ≥10 dB attenuation
Maximum Input DC Voltage0 V

Options

ParameterValue
Tracking Generator Option FSE-B9 Frequency Range9 kHz to 1.5 GHz
Tracking Generator Option FSE-B11 Frequency Range9 kHz to 7 GHz
OCXO Reference Oscillator OptionFSE-B4
FFT Filters OptionFSE-B5 (1 Hz to 1 kHz)
Vector Signal Analysis OptionFSE-B7

Performance

ParameterValue
Third-Order Intercept (TOI)> +15 dBm (typ. +20 dBm)
1 dB Compression Point+10 dBm
Detector TypesMax Peak, Min Peak, Auto Peak, Sample, RMS, Average

Environmental

ParameterValue
Storage Temperature Range-40 °C to +70 °C

Frequency

ParameterValue
Frequency Span Range0 Hz, 100 Hz to 7 GHz

Amplitude

ParameterValue
Reference Level Range-130 dBm to +30 dBm

Technology

Superheterodyne Spectrum & Signal Analysis

Applications

RF and Microwave signal analysis, transmitter testing, and spectral measurements