The Rohde & Schwarz FSEM30 is a high-performance spectrum analyzer designed for signal analysis, interference hunting, and component testing across demanding RF/microwave applications. Operating from 20 Hz to 26.5 GHz with a 50 Ohm input, it delivers exceptional measurement speed and dynamic range suitable for both general-purpose and advanced digital communication system characterization.
Technical Specifications
• Frequency Range: 20 Hz to 26.5 GHz
• Input Impedance: 50 Ohms
• Resolution Bandwidth: 1 Hz to 10 MHz (adjustable in 1/2/3/5/10 steps)
• Video Bandwidth: 1 Hz to 10 MHz (adjustable in 1/2/3/5 steps)
• Displayed Noise Floor: –135 dBm typical (10 Hz RBW); –150 dBm typical at 10 Hz bandwidth
• 3rd-Order Intercept Point: +20 dBm typical
• 1 dB Compression Point: +10 dBm RF input
• Phase Noise: –123 dBc/Hz typical at 10 kHz offset; –125 dBc/Hz typical SSB
• Dynamic Range: 160 dB (1 Hz bandwidth); 150 dB maximum; 169 dB (1 MHz RBW)
• Level Measurement Uncertainty: <1 dB to 1 GHz; 20 updates/s with 1 trace; >15 updates/s with 2 traces
• Frequency Accuracy: 0.00000000002 %
• Internal Reference Aging: 2 × 10⁻⁷ per year
• Display: 24 cm (9.5″) active LC TFT
– Key Features
• Modular, future-proof architecture
• AM/FM demodulator with loudspeaker and headphone connectors
• Optional Universal Analysis for digital and analog modulated signals (BPSK, QPSK, π/4-DQPSK, 8PSK, QAM, MSK, GMSK, 2FSK)
• Optional Vector Signal Analyzer (FSE-B7) combining RF spectrum analysis with digital demodulation
• IEEE 488.2 and RS-232 control interfaces with SCPI 1994.0 command set
• Type-N(f) main signal connector; Type BNC(f) 2nd IF input
– Typical Applications
Signal characterization, interference identification, component validation, and digital modulation analysis in communications and microwave systems.
– Compatibility & Integration
IEEE 488.2 and RS-232 interfaces enable remote control and integration into automated test systems.
















