The Rohde & Schwarz ESIB26 is a high-performance EMI test receiver and spectrum analyzer engineered for electromagnetic interference compliance testing across broad frequency spans. It delivers simultaneous parallel detection, selectable preselection, and measurement uncertainty below 1 dB up to 1 GHz, making it suitable for laboratories and system integrators performing EMC testing to international standards.
Technical Specifications
Frequency Coverage
• Input 1: 20 Hz to 26.5 GHz
• Input 2: 20 Hz to 1 GHz with integrated pulse protection
• Extendable to 110 GHz via external mixers (option FSE-B21)
Sensitivity & Dynamic Range
• Noise figure: typically 10 dB
• Inherent noise: < −3 dBµV
• 1 dB compression point: +10 dBm
• Measurement uncertainty: < 1 dB up to 1 GHz
Measurement Performance
• Minimum measurement time: 100 µs
• Integrated 20 dB preamplifier (1 kHz to 7 GHz standard; extendable above 7 GHz with option R&S ESIB-B2)
• Preselection with three fixed-tuned and six or seven tracking filters
Resolution Bandwidths
• CISPR 16 compliance: 200 Hz, 9 kHz, 120 kHz
• Decadic steps: 10 Hz to 10 MHz (6 dB bandwidths, receiver and analyzer modes)
• Adjustable: 1 Hz to 10 MHz in 1/2/3/5 steps (3 dB bandwidths, analyzer mode)
• FFT-filtered operation to 1 kHz (option B5)
Detection & Display
• Four parallel detectors simultaneously: Peak, Average, Quasi-Peak, CISPR Average, RMS
• 24 cm LC color display with analog level indicators per detector
• Split-screen analyzer/receiver mode for detailed analysis
– Key Features
• Fast scanning (receiver mode) and sweeping (analyzer mode)
• Automatic overload detection and autoranging
• User-definable transducer factors and limit lines with integrated libraries
• Marker evaluation and peak-list data reduction
– Interfaces & Control
• IEC/IEEE, serial, and parallel ports standard
• Optional LAN connectivity
• Second IEC/IEEE interface available (option B17)
– Typical Applications
EMC compliance testing, diagnostic signal analysis, pre-compliance measurement, automated test routines, and laboratory EMI characterization per international standards.
