Rohde & Schwarz ESPI7 EMI Test Receiver

The Rohde & Schwarz ESPI7 Test Receiver combines the advanced capabilities of full-compliance EMI test receivers with the practicality needed for precompliance testing. With the optional R&S ESPI-K50 module, this sophisticated instrument is adept at measuring field-strength profiles for both radio communications and broadcast networks, ensuring comprehensive testing in a variety of applications.

Key Features

• Frequency Range: 9 kHz - 7 GHz for versatile measurement capabilities.
• EMI Diagnostic Measurements: Ideal for development, production, quality assurance, and service maintenance.
• Pre- and Post-Certification Testing: Complies with all civil EMI standards for rigorous compliance testing.
• Fast Interference Testing: Designed for quick and effective evaluations in mobile applications.
• High Measurement Rates: Enables the assessment of field-strength coverage at unprecedented speeds.
• Spectrum Analyzer Functionality: Operates as a spectrum analyzer with selective input for detailed spectral analysis.
• Measurement Uncertainty: Delivers low measurement uncertainty to enhance accuracy.
• Optional Preamplifier: Features preselection filters and a built-in 20 dB preamplifier for improved dynamic range.
• Unmatched Measurement Speed: Offers measurement times as brief as 100 µs, streamlining testing processes.
• Low Noise Level: Achieves a noise figure of NF = 12 dB with optional preamplifier for clearer results.
• Programmable Scan Tables: Support up to 10 subranges for customized testing setups.
• Integrated Limit Lines and Correction Factors: Facilitate accurate compliance monitoring.
• Transducer Evaluation: Includes transducer factors and sets for enhanced measurement versatility.
• Autoranging and Overload Detection: Ensures safe and effective operation during high-intensity testing.
• Built-in AF Demodulator: Allows for audio monitoring along with spectral analysis.
• USB Interface & WinXP Embedded: Ensures easy data transfer and integration with existing systems.
• Bright 21 cm TFT Color Display: Provides clear visualization of data and setup options.
• Power Supply Options: Functions on either battery or AC supply, offering flexibility in varied environments.

EMI Test Receiver Capabilities

• Detectors: Supports weighting with peak average, quasi-peak, RMS, and CISPR average detectors—up to three simultaneously.
• CISPR Measurement Bandwidths: 200 Hz, 9 kHz, 120 kHz, and 1 MHz for compliant testing.
• Correct Pulse Weighting: In accordance with CISPR 16-1-1 from 10 Hz pulse repetition frequency for accurate EMI analysis.
• Automated Testing: Internal test routines for automated or interactive EMI measurements improve operational efficiency.
• Data Evaluation Functions: Features prescan capabilities, peak list data reduction, and final measurement evaluation.
• Compliance with Civil EMI Standards: Supports standards such as CISPR, EN, ETS, FCC, ANSI C63.4, VCCI, and VDE.

Spectrum Analyzer Functions

• Resolution Bandwidths: Ranges from 10 Hz to 10 MHz with 1/3/10 step adjustments for tailored analysis.
• RMS Detector: Facilitates precise measurements on digitally modulated signals.
• Channel Filter Bandwidths: From 100 Hz to 5 MHz as standard for enhanced frequency analysis.
• Performance Testing Routines: Includes detailed testing for TOI, ACPR, OBW, and amplitude statistics.

Field-Strength Test Receiver Option (R&S ESPI-K50)

• External Trigger Input: Ensures synchronized measurements with external devices.
• Additional Channel Filters: Bandwidths of 5.6 MHz to 8 MHz perfect for DVB-T, ISDB-T, and ATSC signals.
• High Sample Rate: Exceeds 100 ksamples/s on discrete frequencies for detailed signal analysis.
• Channel List Measurements: Capable of measuring up to 1000 channels efficiently.
• AM/FM Modulation Analysis: Available with option R&S FSP-K7 for comprehensive signal analysis.