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Overview
Product Highlights
The ESMI is a 26.5 GHz receiver from Rohde & Schwarz. Engineers use electromagnetic interference (EMI) receivers during compliance regulation testing. An EMI receiver is a device that can measure several different characteristics of radio signals as well as calibrate radiofrequency (RF) attenuators and signal generators.
Frequency range: 20 Hz to 26.5 GHz, up to 110 GHz with external mixers
Resolution: 1Hz
Frequency Scale: selectable LIN/LOG
Frequency span: 10 Hz to 2/5 .2/26 .5 GHz
RF attenuation switchable in wide range and small steps
Refined preselection
Very large frequency range for EMI measurements
Low-noise preamplifier with wide dynamic range
High-level mixer for IF conversion
Additional filters ahead of IF preamplifier to avoid overloading due to broadband interference in IF section
Highly linear envelope detector with dynamic range of 70 dBm in addition to 110 dB logarithmic convertor in analyzer path
Five parallel detectors for peak, minimum, quasi-peak, average and RMS weighting
DC logarithmic convertor with dynamic range of 70 dB
Overload detectors at the mixers and in the test channel to avoid incorrect measurements
