R&S®AMU200A Baseband Signal Generator and Fading Simulator

Versatile realtime I/Q source and cost-effective baseband fading simulator in a single unit

This is a discontinued product
Please note the following successor product(s):

Key Facts

  • Single-path or dual-path instrument
  • 2×2 MIMO with realtime fading possible
  • Configuration as a fading simulator, an I/Q source, or an all-in-one instrument offering fading simulation and signal generation

Brief Description

The R&S®AMU200A baseband signal generator and fading simulator has been designed to meet all requirements encountered in the research and development of modern communications systems as well as in their production.

Specifications

Baseband generator
Baseband bandwidth 40 MHz
Fading bandwidth 80/50/30 MHz  (RF)

Key Facts

  • Single-path or dual-path instrument
  • Up to two complete baseband paths
  • Configuration as a fading simulator, an I/Q source, or an all-in-one instrument offering fading simulation and signal generation
  • 2×2 MIMO with realtime fading possible
  • Two instruments combinable for 2×4 or 4×2 MIMO
  • Baseband generators with universal coders for realtime signal generation
  • Arbitrary waveform generators with 16 Msample, 64 Msample, or 128 Msample memory depth
  • Support of 3GPP LTE FDD and TDD, 3GPP FDD/HSPA/HSPA+, GSM/EDGE/EDGE Evolution, TD-SCDMA, WLAN, WiMAX and all other important digital standards
  • Analog single-ended, analog differential, and digital baseband outputs
  • Lossless combination of up to four baseband signals in the digital domain (e.g. for testing multistandard base stations)

Brief Description

The R&S®AMU200A baseband signal generator and fading simulator has been designed to meet all requirements encountered in the research and development of modern communications systems as well as in their production. The R&S®AMU200A not only combines up to two independent baseband signal generators in one cabinet of only four height units, but also offers unrivaled channel simulation capabilities. Due to its modular design, the generator can be optimally adapted to the requirements of different applications.

Due to its modular design, the R&S®AMU200A can be optimally adapted to the requirements of different applications. Up to two generators can be installed. They generate complex signals in realtime and are equipped with an arbitrary waveform generator with 16 Msample, 64 Msample, or 128 Msample memory for I and Q and four marker bits per sample. The signals generated in the different basebands can be added, even with frequency, phase, and level offset. The modern, intuitive concept of the R&S®AMU200A ensures fast and easy operation.

The R&S®AMU200A can be fitted with a wide range of options – for example, options for all of today's important digital standards as well as function and performance enhancements such as MIMO fading. For a list of all available options as well as links to detailed information about the individual options, see "options" page.

MIMO fading

With its two independent baseband generators and the capability to simulate up to four fading channels, the R&S®AMU200A can handle enhanced MIMO testing. A 2x2 MIMO fading test can be performed easily with just one instrument. By combination of multiple instruments all other MIMO modes such as 1×3, 1×4, 2×3, 3×1, 4×1, 3×2 as well as 4×2 can also be set up. The R&S®AMU200A is suitable for baseband measurements on MIMO systems under any of these scenarios.

Specifications

Baseband generator
Waveform memory 16/64/128 Msample
Sampling rate 100 MHz
Baseband bandwidth 40 MHz
Supported modulation types
ASK 0 % to 100 %
FSK MSK, 2 FSK, 4 FSK, 8 FSK, 16 FSK
PSK BPSK, QPSK, QPSK 45 ° offset, OQPSK,π/4-QPSK, π/2-DBPSK, π/4-DQPSK,π/8-D8 PSK, 8 PSK, 8 PSK EDGE
QAM 16 QAM, 32 QAM, 64 QAM, 256 QAM,1024 QAM
Supported standards and digital systems(depending on options) 3GPP LTE, 3GPP FDD/HSPA/HSPA+, 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, DVB-H/T, DAB/T-DMB, XM-RADIO
Fading simulator
Fading bandwidth 80/50/30 MHz (RF)
Fading profiles
Standard constant phase, pure Doppler, Rayleigh, Rician, lognormal
With the R&S®AMU-K72 option Gaussian, Gaussian DAB, WiMAXDoppler, WiMAX Rice
Predefined fading scenarios
Standard CDMA2000®, 1xEV-DO, GSM, NADC, PCN, TETRA, HiperLan/2, WiMAX ITU, LTE
With the R&S®AMU-K71 option 3GPP FDD, fine delay, moving delay, birth-death, 2 channel interferer, HST
With the R&S®AMU-K72 option SUI1 to SUI6, ITU OIP-A, ITU OIP-B, ITU V-A, DABRA, DAB-TU, DAB-SFN
MIMO Fading
With the R&S®AMU-K74 option 1x2, 2x1, 2x2 MIMO (with settable correlations)
With two R&S®AMU200A signal generators
(each with R&S®AMU-K74 option)
1×3, 1×4, 2×3, 3×1, 4×1, 3×2, 4×2 MIMO
(with settable correlations)
Predefined MIMO fading scenarios LTE, WiMAX (including correlations)
Signal quality of analog I/Q outputs
Frequency response
Magnitude up to 10 MHz typ. 0.02 dB
Magnitude up to 40 MHz typ. 0.03 dB
I/Q balance
Magnitude up to 10 MHz typ. 0.01 dB
Magnitude up to 40 MHz typ. 0.02 dB
Spectral purity
SFDR (sinewave) up to 2 MHz >70 dB
SFDR (sinewave) up to 20 MHz typ. 60 dB
Phase noise for 10 MHz sinewaveat 20 kHz offset typ. –150 dBc
Wideband noise for 10 MHz sinewaveat 1 MHz offset typ. –155 dBc
General data
I/Q outputs
Analog single-ended (standard) 0.02 V to 2 V (EMF, 50 Ω)
Analog differential (optional) 0.04 V to 4 V (EMF, 50 Ω)
Digital (optional) LVDS level, 18 bit
I/Q inputs
Analog single-ended (optional) sqrt(Vi² + Vq²) = 0.5 V
(50 Ω full scale)
Digital (optional) LVDS level, 18 bit
Interfaces IEEE 488.2
LAN (100BaseT)
4 × USB host
1 × USB slave
VGA
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