R&S®ESMD Wideband Monitoring Receiver

Premium-class signal reception

Key facts

ITU-compliant measurements and applications for security authorities and organizations
Wide frequency range: from 8 kHz to 40 GHz (base unit: 20 MHz to 3.6 GHz)

Brief description

Features

Frequency range from 8 kHz to 40 GHz
Integrated antenna switch
Powerful preselection: large-signal immunity and high sensitivity

Specifications

base unit	20 MHz to 3.6 GHz
with R&S^®ESMD-HF option	8 kHz to 3.6 GHz
with R&S^®ESMD-SHF options	20 kHz to 26.5 GHz
in combination with R&S^®MC40	20 MHz to 40 GHz

Key facts

ITU-compliant measurements and applications for security authorities and organizations
Wide frequency range: from 8 kHz to 40 GHz (base unit: 20 MHz to 3.6 GHz)
Up to 80 MHz realtime bandwidth (base unit: 20 MHz)
Time domain analysis up to 20 MHz bandwidth
Realtime event capture (REC) for I/Q recordings and realtime replay
Various result displays
Integration into customer-specific software packages from third-party suppliers thanks to open, documented remote control interface and data formats
Internal recording and replay of spectra and waterfall data (for receivers with front panel operation or for external R&S^®ESMD GUI software)
Map display with GNSS position (for receivers with front panel operation or for external R&S^®ESMD GUI software)

Brief description

The R&S^®ESMD wideband monitoring receiver was specially developed for signal search, radiomonitoring, radio detection and spectrum monitoring tasks. It performs ITU-compliant measurements and meets the requirements of security authorities and organizations. The receiver is ideal for both stationary and mobile/vehicular applications because it can be operated via the front panel or remotely controlled via LAN.

Features & Benefits

Frequency range from 8 kHz to 40 GHz
- One radiomonitoring receiver for ”all” frequencies
- Base unit: 20 MHz to 3.6 GHz
  - R&S^®ESMD-HF: option for HF signal reception down to 8 kHz
  - R&S^®ESMD-SHF: option for SHF signal reception up to 26.5 GHz
- Same size, even with the above frequency options installed (19" width, 4 HU)
- R&S^®MC40: external microwave downconverter for frequencies up to 40 GHz
Integrated antenna switch
- Two separate inputs for HF (2) and VHF/UHF (3)
- One SHF input
- Automatic switching between antennas as a function of selected frequency, even during scanning
- Easy definition of antenna and cable parameters
Powerful preselection: large-signal immunity and high sensitivity
- Reliable protection against overloading due to strong signals
- Outstanding sensitivity due to high-gain preamplifier stage
- Ideal radiomonitoring receiver with wide dynamic range for all signal scenarios
- Smooth operation, e.g. with a wideband receiving antenna (responsible for high signal sum load at receiver input)
FFT signal processing with 80 MHz realtime bandwidth (base unit: 20 MHz)
- Realtime spectrum for detecting pulsed and frequency agile signals
- FFT signal processing for fine frequency resolution and high sensitivity
- FPGA implementation for top processing speed with fine resolution and sensitivity
Extremely fast spectral scan (panorama scan) across entire frequency range
- Extremely fast FFT scan
- Fast spectrum overview with extremely fine resolution bandwidth
- Combination of spectral results and waterfall display
- Optimal determination of frequency range of interest from an unknown starting position
Waterfall diagram for examination of signal history
- Three-dimensional display of spectrum over frequency, time and color-coded signal level
- History mode function to stop the waterfall and display a previous spectrum
- Outstanding visual presentation of pulsed or frequency agile signals
- Settable time resolution of waterfall (speed)
Recording of spectra and waterfall data and replay of results
- Recording of spectra and waterfall data, e.g. on a USB flash drive
- Replay of recorded content for detailed evaluation of signals contained in spectrum
- Identical receiver and parameter settings in recording and replay modes
- For receivers with front panel operation or for external R&S^®ESMD GUI software
Map display with GNSS position
- Map display of current receiver location
- Selectable display of recorded results (e.g. spectra) relative to a position
- Map material based on OpenStreetMap (OSM)
Polychrome spectrum to distinguish superimposed, pulsed signals
- Display of time behavior (frequency of occurrence) of pulsed signals using color coding (for all realtime bandwidths)
- Settable occurrence frequency threshold
- Separate display of pulsed signals (superimposed in frequency, time and level)
Video spectrum for display of subcarriers and transmission rates
- Spectrum display of demodulated signal
- Clear display of subcarriers, e.g. 19 kHz pilot tone
- Squared video spectrum to estimate the transmission rate (baud rate) of a digitally modulated signal
- Combination of spectral results and waterfall display
Parallel signal processing of spectral path and demodulation path
- Two parallel signal processing paths for spectrum and demodulation
- Interference-free demodulation with parallel display of realtime spectrum and waterfall display
- Seamless I/Q baseband data stream for signal analysis
- Independent setting of bandwidth and center frequency
Level measurements with ”real” wideband detector
- Wideband level measurements up 20 MHz bandwidth for sophisticated, digitally modulated signals
Frequency scan and memory scan for audio demodulation on changing channels
- Frequency scan: continuous scanning of adjacent channels, automatic demodulation of channels where level exceeds squelch, e.g. in ATC band
- Memory scan: scanning of different radio services with variable step size and demodulation mode
- Convenient search for active signals and quick availability of audio content
4+1 receivers in one instrument
- R&S^®ESMD-DDC option: four additional demodulation channels
- Five software receivers in one instrument thanks to five demodulation channels (anywhere within realtime bandwidth)
- Output of demodulated data as separate data streams via LAN interface
Time domain analysis up to 20 MHz bandwidth
- R&S^®ESMD-ZS option: time domain analysis (zero span)
- Amplitude and instantaneous frequency display for detailed signal analysis
- Selection of a 20 MHz wide signal within the 80 MHz realtime bandwidth
Open interfaces for remote control and data transmission
- Two 1 Gbit Ethernet LAN interfaces for receiver remote control and result processing using Rohde & Schwarz system software (e.g. R&S^®ARGUS 6.1, R&S^®RAMON, R&S^®CA100)
- R&S^®RX-10G option: retrofittable 10 Gbit Ethernet LAN interface
- Documented interface description for flexible programming and data processing, even with customerspecific software package
Receiver remote control and data recording
- R&S^®ESMD-Control software package (included in scope of delivery) for receiver remote control via 1 Gbit LAN interface
- Documentation of results on a PC (e.g. spectra and audio content), also for replaying recorded data for offline analysis
Interfaces for up to 80 MHz wide I/Q data streaming
- R&S^®ESMD-Control software package for receiver remote control via 1 Gbit LAN interface
- Documentation of results on a PC (e.g. spectra and audio content), also for replaying recorded data for offline analysis
Multichannel signal detection and analysis in a networked system
- R&S^®ESMD-SP option: hardware-accelerated multichannel processing of I/Q data streams via 1 Gbit LAN interface, e.g. for multichannel content recovery and detection of fixed frequency and frequency agile signals
- Further processing in a networked system, e.g. in combination with R&S^®CA120 and suitable options
- Documented interface description for flexible programming and data processing, even with third-party software package
ITU-compliant measurements in the receiver
- R&S^®ESMD-IM option: ITU-compliant measurements on signal parameters for AM, FM and PM-modulated signals (e.g. modulation index, occupied bandwidth and phase deviation)
- Offline measurements on digitally modulated signals using the R&S^®CA100IS software and suitable options (in line with ITU recommendation SM1600)
Detection of selective call services
- R&S^®ESMD-SL option: detection of audio-based selective calls and listing of received selective call standards
- Result filtering according to relevant standards
DC operation (e.g. on vehicle battery)
- R&S^®ESMD-DC option: DC power supply (12 V to 32 V DC)
- Space-saving vehicle installation
System time synchronization using NTP server
- Time and date synchronization using an NTP server for simultaneous control of multiple receivers in a networked system
- Easy comparison of measurement results received by different stations
TDOA ready with high-accuracy timestamps and GNSS synchronization of frequency and time
- R&S^®ESMD-IGT2 option: synchronization of receiver frequency and time using internal GNSS module
- High-accuracy timestamps in I/Q baseband data stream for use in TDOA systems
Recording and replaying of up to 80 MHz wide I/Q data
- Never miss an event: activation of recordings with flexible realtime event capture (REC)
- Signals as received from an antenna: all receiver functions available when replaying I/Q data
- Detailed display: replay of I/Q data with increased time resolution
- Realtime replay of recorded data
- Bring RF to the lab: Stream wideband I/Q data to Rohde & Schwarz signal generators
- Use all functions with Rohde & Schwarz digital wideband storage devices
Single-channel direction finder upgrade kit
- R&S^®ESMD-DF option: upgrade to single-channel direction finder
- Direction finding of signals in frequency range up to 6 GHz
- Reliable DF results even in difficult environments (e.g. urban areas with up to 50 % reflection)
- Parallel direction finding of all emissions within 20 MHz realtime bandwidth
Documentation of calibration values
- R&S^®ESMD-DCV option: documentation of calibration values with calibration certificate from final production testing for a specific serial number
- Calibration label for instrument

Specifications

Frequency range
base unit	20 MHz to 3.6 GHz
with R&S^®ESMD-HF option	8 kHz to 3.6 GHz
with R&S^®ESMD-SHF option	20 MHz to 26.5 GHz
in combination with R&S^®MC40	20 MHz to 40 GHz
with R&S^®ESMD-HF and R&S^®ESMD-SHF options	8 kHz to 26.5 GHz
in combination with R&S^®MC40	8 MHz to 40 GHz
IF bandwidths
demodulation, level and offset measurement (3 dB bandwidth), 34 filters	100/150/300/600 Hz, 1/1.5/2.1/2.4/2.7/3.1/4/4.8/6/9/12/15/30/50/120/ 150/250/300/500/800 kHz, 1/1.25/1.5/2/5/8/10/12.5/15/20 MHz
Demodulation
all IF bandwidths	AM, FM, φM, pulse, ISB, I/Q, analog TV
IF bandwidths ≤ 9 kHz	LSB, USB, CW, ISB
Realtime spectrum (IF panorama)
FFT IF panorama	gap-free, dynamically overlapping FFT
	operating mode: automatic or variable with selectable frequency resolution 0.625/1.25/2.5/3.125/6.25/12.5/25/31.25/50/ 62.5/100/125/200/250/312.5/500/ 625 Hz, 1/1.25/2/2.5/3.125/5/6.25/8.333/10/12.5/20/25/ 50/100/200/500 kHz, 1/2 MHz
Span (base unit)	1/2/5/10/20/50/100/200/500 kHz, 1/2/5/10/20 MHz
Spectrum span (with R&S^®ESMD-ADC2 and R&S^®ESMD-WB options	additionally 40 MHz and 80 MHz
Spectrum display	clear/write, average, max. hold, min. hold, histogram, pulse
Scan characteristics
Memory scan	10 000 programmable memory locations
	(speed) up to 1200 channels/s
Frequency scan	user-selectable start/stop frequency and step size
	(speed) up to 1500 channels/s
Panorama scan
with R&S^®ESMD-PS option	RF spectrum with user-selectable start/stop frequency and step size: 100/125/200/250/500/625 Hz, 1/1.25/2/2.5/3.125/5/6.25/8.333/10/12.5/20/25/ 50/100/200/500 kHz, 1/2 MHz
speed	in-band up to 400 GHz/s
	in-band up to 1300 GHz/s, with R&S®ESMD-WB option

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