The Rohde & Schwarz FS300 is a portable spectrum analyzer covering 9 kHz to 3 GHz, engineered for RF analysis in laboratory, service, and production environments. Digital frequency processing delivers high measurement quality with dynamic range exceeding 137 dB, enabling detection of weak signals even in the presence of strong carriers. The instrument supports resolution bandwidths from 200 Hz to 1 MHz in 16 selectable steps, video bandwidths from 10 Hz to 1 MHz, and displays typical noise floor of -120 dBm at 300 Hz RBW. An integrated frequency counter with 1 Hz resolution eliminates the need for external instrumentation.
– Technical Specifications
• Frequency Range: 9 kHz to 3 GHz
• Resolution Bandwidths: 200 Hz to 1 MHz, 16 selectable steps with digital filters
• Video Bandwidths: 10 Hz to 1 MHz (1, 2, 3, 5 sequences)
• Displayed Average Noise Level: Typically -120 dBm (300 Hz RBW); guaranteed ≤ -110 dBm
• Dynamic Range: Greater than 137 dB
• Level Measurement Uncertainty: ≤ 1.5 dB
• Intermodulation-Free Dynamic Range: ≤ -70 dBc at -30 dBm and -36 dBm input levels
• SSB Phase Noise: ≤ -90 dBc (10 kHz offset, 1 Hz bandwidth)
• 1 dB Compression Point: -10 dBm
• Reference Level Setting Range: -110 dBm to +36 dBm
• RF Input Attenuation: 0 dB to 70 dB
• Maximum Input Level: +33 dBm
• Display Range: 80 dB, 40 dB, 16 dB, 8 dB, or linear
• Display Units: dBm, dBµV, dBmV (logarithmic); V, W (linear)
• Frequency Counter: 1 Hz resolution
• Traces: 1 active, 1 stored
– Key Features
• TFT color display, 320 × 240 pixels, optimized for angular viewing and adverse lighting
• Compact, rigid housing with adjustable carrying handle and fold-able design
• Accepts input signals up to +33 dBm without external attenuators
– Compatibility & Integration
• USB interface for remote control and data transfer with hot plug and play operation
• Windows 2000/XP compatible driver supplied
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