Rohde-schwarz- Vector Signal Generator (Model:R&S®SMJ100A)

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Key Facts

  • Frequency options from 100 kHz to 3 GHz/6 GHz
  • Support of 3GPP LTE FDD and TDD, LTE Advanced, 3GPP FDD/HSPA/HSPA+, GSM/EDGE/EDGE Evolution, TD-SCDMA, WLAN, and all other important digital standards
  • I/Q modulator with 200 MHz RF bandwidth
  • Optional baseband generator with realtime coder and arbitrary waveform generator for maximum flexibility
  • Optional ARB-only baseband generator as cost-saving alternative
  • Excellent RF performance

Brief Description

The R&S®SMJ100A meets all challenges that diverse applications place on modern vector signal generators. For example, it offers the signal quality and flexibility required in research and development – not to mention a convenient graphical user interface (GUI). And this is by no means all the R&S®SMJ100A has to offer – a fact that becomes evident in production, where it excels with its flexible baseband and low setting times. The baseband meets all requirements, from providing realtime signals to replaying precalculated waveforms.

Equipped with 3 GHz or 6 GHz frequency options, the R&S®SMJ100A covers all important frequency bands essential in digital RF transmission. The internal baseband generator option handles a multitude of digital standards, e.g. GSM/EDGE, 3GPP FDD and CDMA2000 1). Its characteristics make the R&S®SMJ100A the ideal all-purpose vector signal generator, supporting a wide variety of applications.

To handle future standards, the R&S®SMJ100A features a large bandwidth; thus, new standards such as WiMAX pose no problem. The internal arbitrary waveform generator is proof of its versatility. It offers sequences up to 128 Msamples in length and can be used with diverse signals from R&S®WinIQSIM or Matlab.

High signal quality

  • IQ modulator with 200 MHz RF bandwidth
  • Very low SSB phase noise of typ. – 133 dBc (f = 1 GHz, 20 kHz carrier offset, 1 Hz measurement bandwidth)
  • Wideband noise of typ. -153 dBc (CW, f = 1 GHz, >10 MHz carrier offset, 1 Hz measurement bandwidth)
  • Excellent ACLR performance of typ. +69 dB for 3GPP FDD (test model 1, 64 DPCHs)
  • High-stability reference oscillator as standard
  • High level repeatability

Ideal for production

  • Very short frequency and level setting times (<2 ms); only 450 µs in List mode
  • Electronic attenuator up to 6 GHz over the full level range
  • Flexible high speed measurements with RF List mode and multisegment waveforms

Baseband versatility

  • Support of EUTRA/LTE signal generation
  • Support of WiMAX IEEE 802.16-2004/Corr1-2005, 802.16e-2005, and WiBro
  • Four code channels in realtime for 3GPP FDD, support of HSPA and HSPA+
  • Mixed frames with GSM, EDGE and EGPRS2 slots in one frame (with same symbol rate per frame)
  • Baseband generator with universal coder for realtime signal generation
  • Arbitrary waveform generator with 16 Msample, 64 Msample or 128 Msample
  • Arbitrary waveform generator supported by R&S®WinIQSIM2™ and R&S®WinIQSIM™ simulation software

Ease of use

  • Color display with 800 × 600 pixels (SVGA format)
  • Intuitive user interface with graphical display of signal flow (block diagram)
  • Graphical display of baseband signal through built-in transients recorder
  • Context-sensitive Help system
  • Tooltips for all edit fields


  • Optional digital I/Q output; support of R&S®EX-IQ-Box for flexible data formats and clock generation
  • Support of R&S®NRP power sensors
  • Remote control via LAN (Gigabit Ethernet, VXI11) and GPIB
  • Remote operation via Windows Remote Desktop or VNC
  • User-selectable trigger and marker signals
  • USB connectors for keyboard, mouse, and memory stick
  • LXI class C compliance


Type Value
Frequency range 100 kHz to 3 GHz/6 GHz
Setting time <2 ms, typ. 1 .5ms
Setting time in List mode <450 µs
Range -144 dBm to +13 dBm (PEP) [+16 dBm in overrange]
Setting time
Setting time in List mode <450 µs
Spectral purity (f = 1 GHz)
Carrier offset > 10 kHz
Carrier offset > 800 kHz
<-80 dBc
<-86 dBc
SSB phase noise typ. -131 dBc
Wideband noise typ. -153 dBc (CW)
typ. -146 dBc (I/Q modulation)
ACLR performance
3GPP FDD test model 1, 64 DPCHs typ. 69 dB
I/Q bandwidth (RF)
Internal 80 MHz
External 200 MHz
Supported modulation types
ASK 0 % to 100 %
FSK MSK, 2FSK, 4FSK, variable FSK
QAM 16 QAM, 32 QAM, 64 QAM, 256 QAM, 1024 QAM
Supported standards and digital systems
depending on options 3GPP LTE, 3GPP HSPA, 3GPP FDD, 3GPP TDD, TD-SCDMA, GSM/EDGE/ EDGE evolution, cdmaOne, CDMA2000®, 1xEV-DO, WiMAX IEEE 802.16™-2004/Cor1/D5 and IEEE 802.16e-2005, IEEE 802.11a/b/g/n, TETRA, Bluetooth®, AWGN, user-defined multicarrier CW, GPS, DAB/T-DMB, XM-RADIO
IEEE 488.2, LAN (100BaseT), 3 × USB, 1 × USB slave, VGA
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