Rohde & Schwarz ESW44 EMI Test Receiver, 1Hz to 44GHz

The Rohde & Schwarz ESW44 is an EMI test receiver spanning 1 Hz to 44 GHz, designed for electromagnetic compatibility compliance testing across CISPR, EN, MIL-STD, and FCC standards. It delivers exceptional sensitivity with a noise floor typically below -155 dBm (1 Hz IF bandwidth, preamplifier ON) and third-order intercept above +15 dBm, enabling precise detection and measurement of electromagnetic interference across demanding test environments.

Technical Specifications

• 1 Hz to 44 GHz Sensitivity & Dynamic Range


• Noise Floor: Typically below -155 dBm (1 Hz IF Bandwidth, preamplifier ON)


• IP3 / TOI: > +15 dBm Measurement Detectors & Bandwidth


• Peak, Quasipeak, Average, RMS, CISPR-Average, CISPR-RMS


• Selectable IF bandwidths: 200 Hz, 1 kHz, 10 kHz, 100 kHz, 1 MHz Signal Processing


• Advanced DSP and FFT for spectrum analysis and interference detection


• Step sweep, list sweep, FFT sweep capabilities


• Auto-ranging and automatic/manual preselector control

Key Features

• RF input: Type N female connector


• LAN (Gigabit Ethernet), USB, GPIB (IEEE 488.2), and external trigger input


• Reference clock I/O: BNC connectors


• Rack-mountable 19-inch form factor


• Operating temperature: 5 °C to 40 °C


• Storage temperature: -20 °C to +70 °C


• Humidity: Up to 95 % RH at +25 °C


• Power: 100 V to 240 V AC, 50/60 Hz

Standards Compliance CISPR 16-1-1, EN 550xx series, MIL-STD 461, FCC Part 15

Compatibility & Integration Works with Rohde & Schwarz EMC test automation software including EMC32 and EMC

32 Lite. Interfaces with Rohde & Schwarz and third-party EMC antennas, LISNs, and near-field probes. Supports attenuators, filters, and signal generator accessories.