The Rohde & Schwarz ESIB7 is an EMI test receiver engineered for electromagnetic compatibility (EMC) compliance testing across civilian and military regulations. It combines high sensitivity, extensive dynamic range, and precise selectivity with the operational flexibility of a spectrum analyzer. The instrument meets CISPR 16-1-1 and supports measurements per CISPR, EN, VDE, ANSI, FCC, BS, ETS, VCCI, MIL-STD, VG, DEF-STAN, DO160, and GAM EG13 standards.
– Technical Specifications
Frequency Coverage
• Input 1: 20 Hz to 7 GHz
• Input 2: 20 Hz to 1 GHz with additional pulse protection
• Frequency counter resolution: 0.1 Hz to 10 kHz (selectable)
• Display range: 0 Hz to 7 GHz
Signal Detection and Processing
• Parallel detectors: Peak (PK), Average (AV), Quasi-Peak (QP), CISPR Average, and RMS
• Resolution bandwidths in receiver mode: 200 Hz, 9 kHz, 120 kHz, 1 MHz (-6 dB)
• Receiver mode preselection: Fixed, <150 kHz bandwidth (-6 dB)
• Analyzer mode preselection: Selectable
• Preselection architecture: Fixed-tuned filters to 2 MHz; tracking filters 2 MHz to 1000 MHz
Receiver Performance
• Noise figure: 10 dB typical
• 1 dB compression point: +10 dBm
• Preamplifier: Integrated 20 dB (selectable), 1 kHz to 7 GHz standard; optional extension beyond 7 GHz (R&S ESIB-B2)
• High intermodulation suppression
• Low SSB phase noise
• Low inherent noise and measurement uncertainty
• High measurement speed
– Key Features
• Dual-input architecture with differential pulse protection on Input 2
• Fixed and tracking preselection filters reduce input mixer voltage levels
• Integrated preamplifier positioned between RF preselection and mixer for overload protection
• Mode flexibility: Receiver mode for standards compliance; analyzer mode for diagnostic and development work
• Selectable resolution bandwidths and detectors per CISPR 16 and MIL specifications
– Typical Applications
• Pre-compliance and diagnostic EMI testing during product development
• Certification measurements for final compliance validation
• Radiated and conducted emission measurements per international standards
• Transient and impulse signal analysis with quasi-peak detection
– Compatibility & Integration
Supports measurements across CISPR, EN, VDE, ANSI, FCC, BS, ETS, VCCI, MIL-STD, VG, DEF-STAN, DO160, and GAM EG13 standards. Operates as both dedicated EMI receiver and high-performance spectrum analyzer for flexible test workflows.
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