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ESMD Wideband Monitoring Receiver by Rohde & Schwarz

Companies & Organizations:

Germany

Rohde & Schwarz GmbH & Co KG
Muehldorfstrasse 15
81671 Muenchen


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.

 

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)

 

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                     100/150/300/600 Hz,

(3 dB bandwidth), 34 filters                                                 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                         additionally 40 MHz and 80 MHz

and R&S®ESMD-WB options        

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                                                                               up to 270 GHz/s (in-band)

                                                                                         up to 850 GHz/s (in-band) with 80 MHz option

Defense Products & Services: ESMD Wideband Monitoring Receiver by Rohde & Schwarz
Companies & Organizations: 
Defense Products & Services Sectors: Receiving equipment, ground-based, passive EW
Country: Germany
Description: ESMD Wideband Monitoring Receiver
Source of Information: Rohde & Schwarz GmbH & Co KG