R&S®RF Ports alignment software

R&S®RF Ports alignment software
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R&S®RF Ports alignment software, Screenshot

Key facts

  • Calibration of R&S®SMW200A multi-channel setups
  • Alignment of amplitude, time and phase
  • Automated user-definable collection of correction data
  • Predefined calibration routines
  • Intuitive user interface with step-by-step user guidance

An intuitive RF ports alignment software for R&S®SMW200A multi-channel setups

With the R&S®RF Ports Alignment software together with the option R&S®SMW-K545, Rohde & Schwarz provides a standard and tailored solution for calibrating amplitude, time and phase of multi-channel SMW setups. The RF Port Alignment automatically collects the gathered correction data for the multi-channel setup using a connected vector network analyzer such as the R&S®ZNA or R&S®ZNB. 
Thanks to an intuitive graphical user interface the test engineer is guided  through the calibration procedure step-by-step in a convenient way. 
With a calibrated multi-channel setup, tests of advanced systems in wireless communication or of radar receivers can be performed straightforward.

Features & benefits

Guided calibration procedure

User friendly Grapical User Interface

The clear graphic representation of the instruments and the cabling in the Graphical User Interface of the software ensures that the setup can be set up quickly and without errors.The intuitive user interface thereby guides the user through the individual steps of calibration procedure.

Intuitive GUI of the R&S®RF Ports Alignment Software
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Intuitive GUI of the R&S®RF Ports Alignment Software

Calibrate and simulate precise AoA

Alignment of amplitude, time and phase

For realistic AoA simulations, the RF ports not only have to be phase-locked to each other, but precise initial calibration with regard to frequency, amplitude and phase is also necessary. The R&S®RF Port Alignment Software supports this calibration of multi-port signal generator systems automatically. Without a calibration of the RF ports, it cannot be ensured that signal differences between the RF ports are covered by properties of the test system.

Alignment of Phase, Amplitude and Time
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Alignment of Phase, Amplitude and Time

Calibration at the reference plane

Precise and repeatble multi-channel test setups

Since the AoA in the receiver is determined on the basis of the relative differences at the RF ports, the relative deviations of the RF ports to one another are also measured for the calibration. The ports alignment reference plane on the receiver serves as the calibration level. The deviations are automatically recorded, correction data is calculated and are loaded into the signal generators. Using the correction data, reproducible AoA are simulated.

RF ports alignment calibration setup
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RF ports alignment calibration setup

Simulation of angle of arrival (AoA)

White paper: Simulation of angle of arrival (AoA)

Engineers often need to test the direction finding capabilities of radar warning receivers in the lab. A perfect solution is to use multiple coupled R&S®SMW200A vector signal generators that are phase-coherent and time-synchronized.

Application videos

Rohde-Schwarz-SMW200A-RF-Ports-Alignment-Getting Started

R&S®SMW200A - RF Ports Alignment - Getting Started

Generate multiple signals aligned in amplitude, delay and phase. The video covers all the necessary steps from connecting the instruments through the configuration and alignment process.

Angle of Arrival Simulation for Multi-Channel Receivers

AoA Simulation for Multi-Channel Receivers

Testing Direction Finding Devices Using R&S®Pulse Sequencer and R&S®SMW-K545.

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