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R&S®EM550 VHF/UHF Digital Wideband Receiver - Data sheet
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R&S®EM550 VHF/UHF Digital Wideband Receiver - Data sheet - 1

Data sheet Version 01.00 VHF/UHF Digital Wideband Receiver ¸EM 550 Efficient and versatile solution for radiomonitoring applications The R&S®EM 550 is a fully digitized VHF/ UHF receiver of advanced design based on state-of-the-art technology. It covers the ­frequency range 20 MHz to 3.6 GHz. Excellent RF characteristics and dynamic performance paired with powerful digital signal processing are the basis for optimum system solutions. ◆ Wideband operation – I/Q data up to 10 MHz bandwidth – Demodulation up to 10 MHz bandwidth – IF analog output up to 50 MHz bandwidth – Analog TV, radar ◆ 23 IF filters, 150 Hz to 10 MHz ◆ Panorama scan up to 16 GHz/s or 600000 channels/s ◆ Frequency/memory scan up to 850 channels/s ◆ IF panorama up to 9.6 MHz span ◆ Video panorama, AM, FM, AM2, FM2, I/Q ◆ Audio filter: notch, noise reduction, bandpass ◆ Two-channel analog video output: AM, FM or I, Q ◆ ITU measurements ◆ Selective call decoding ◆ LAN interface (SCPI)

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R&S®EM550 VHF/UHF Digital Wideband Receiver - Data sheet - 2

Overview The VHF/UHF Digital Wideband ­Receiver R&S®EM 550 is ideally suited for military monitoring tasks and spectrum monitoring in line with ITU recommendations as well as for radio investigation services. The ¸EM 550 is prepared to meet any ­future demands in the field of receiver and analyzer technology for the purpose of frequency spectrum and signal analysis. The receiver is softwarecompatible with the ¸EB 200/ESMB family, thus providing an easy way to upgrade existing radiomonitoring systems. Description The ¸EM 550 covers the wide frequency range from 20 MHz to 3.6 GHz. High level...

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R&S®EM550 VHF/UHF Digital Wideband Receiver - Data sheet - 3

◆ Gain control (GC) Automatic (AGC) and manual (MGC) gain control; the MGC setting ­covers the input signal range from –30 dBµV to +130 dBµV ◆ Video panorama Spectrum of the demodulated signal with analysis features (squared AM, FM) ◆ IF panorama (option) Span range 10 kHz to 9.6 MHz ◆ ITU measurement (option) AM modulation index (AM+, AM–, AM) ◆ FM deviation (FM+, FM–,FM) ◆ PM deviation (0 π to 4 π) ◆ Bandwidth (0 MHz to 9.6 MHz) In the Memory Scan mode, the ­receiver settings can be programmed for the monitoring of up to 10000 channels. These channels can be scanned with the Memory Scan...

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R&S®EM550 VHF/UHF Digital Wideband Receiver - Data sheet - 4

Applications Due to its high scan speed, the receiver is ideally suited for fast and reliable detection of all types of signals in the wide field of civil and military monitoring, paramilitary monitoring, homeland security, secret services, signal investigation services, etc. No matter whether fixed frequency emissions, frequency-agile signals such as hoppers, pulsed periodic or non-periodic emissions are to be detected, nothing is lost in the scenario. This includes the following: ◆ Detection of signals in the RF spectrum ◆ Memory scan of up to 10000 ­memory channels ◆ Frequency scan in...

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R&S®EM550 VHF/UHF Digital Wideband Receiver - Data sheet - 5

Civil monitoring in line with ITU r ­ ecommendations Owing to its performance, the R&S®EM 550 fulfills all the requirements for measurements in line with ITU-R specifications (ITU Spectrum Monitoring Handbook, 2002). If the R&S®EM 510IM option is installed, the following measurements can be performed: ◆ Frequency and frequency offset in line with ITU-R SM377 ◆ Field strength in line with ITU-R SM378 ◆ Modulation in line with ITU-R SM328 ◆ Spectrum occupancy on control PC in line with ITU-R SM 182/SM 328 ◆ Bandwidth in line with ITU-R SM443 ◆ Detection of mono or stereo transmissions Radio...

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R&S®EM550 VHF/UHF Digital Wideband Receiver - Data sheet - 6

Designed to meet the standards The receiver has been designed for sta- tionary and mobile use in accordance with the recommendations for class C instruments. Careful shielding and fil- tering of all input and output lines en- sure ultralow spurious emissions and For applications in a vehicle the receiver can be operated via the DC input directly from the vehicle battery. Diagnostics included The receiver is permanently monitored by built-in test (BIT). If deviations from nominal values are detected, an error message is generated with a code indi- cating the type of fault. For detailed in-...

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R&S®EM550 VHF/UHF Digital Wideband Receiver - Data sheet - 7

Specifications Frequency measurement with telephone filter in accordance with CCITT low noise mode Frequency range Frequency resolution Frequency accuracy Input for external reference Synthesizer setting time Oscillator phase noise Antenna input Demodulation modes AM, FM, PM, PULSE, I/Q (all IF bandwidths) USB, LSB, CW (IF bandwidth ≤9 kHz) ISB (IF bandwidth ≥1 kHz to 9 kHz) TV (analog) VSWR Input level Oscillator reradiation tracking preselection highpass/lowpass filters ≤1 : 1.7, for filter 150 Hz to 2 MHz ≤1 : 1.6, for 5 MHz filter (3 dB : 50 dB) ≤1 : 2, for 10 MHz filter (3 dB : 50 dB)...

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R&S®EM550 VHF/UHF Digital Wideband Receiver - Data sheet - 8

Modulation measurement (with option R&S®EM 050IM) Video digital Audio analog headphone connector: 0 V to ≥ 2 V Ri = 100 Ω f = 10 Hz to 300 Hz to 12.5 kHz (depending on IF BW and modulation) AF line: 0.5 V ±0.3 V (m = 0.5) Ri = 100 Ω f = 10 Hz to 300 Hz to 12.5 kHz (depending on IF BW and modulation) AF symmetrical: 600 Ω symmetrical: 0.4 V ±0.2 V (m = 0.5) Ri = 600 Ω f = 100 Hz to 12.5 kHz Audio digital LAN AES/EBU interface (ANSI 4.40) Indication error video analog, AM (A) and FM (B), DC to ½ IF BW or: IF analog, gain-controlled, two channels, adjustable center frequency 0 MHz to 21.4 MHz,...

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R&S®EM550 VHF/UHF Digital Wideband Receiver - Data sheet - 9

Ordering information Designation VHF/UHF Digital Wideband Receiver Options Panorama Scan (RF Spectrum) Frequency spacing between intermodulating signals ≥ 1 MHz. When this output is used, the narrowband function/demodulation is deactivated. 3) When this output is used, all receiver functions except IF2 are activated. 4) IF Panorama R&S®EM 550SU is included in option R&S®EM 550IM. 1) VHF/UHF Digital Wideband Receiver ¸EM 550

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R&S®EM550 VHF/UHF Digital Wideband Receiver - Data sheet - 10

Certified Environmental System More information at www.rohde-schwarz.com (search term: EM550) Europe: +49 1805 12 4242, customersupport@rohde-schwarz.com USA and Canada: 1-888-837-8772, customer.support@rsa.rohde-schwarz.com Asia: +65 65 130 488, customersupport.asia@rohde-schwarz.com ¸ is a registered trademark of Rohde & Schwarz GmbH & Co. KG · Trade names are trademarks of the owners · Printed in Germany (Pe bb) PD 5213.6429.32 · ¸EM 550 · Version 01.00 · June 2006 · Data without tolerance limits is not binding · Subject to change Certified Quality System

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