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FMCW Testbed

A fast sweep FMCW Testbed based on the C700 platform which allows fast sweep rates up to 1GHz per millisecond and supporting simple configurations as well as switched-beam antennas setup for range measurements and position tracking. The main system configuration (described in figure 1 below) supports full FMCW functionalities in a frequency range from 4 to 6 GHz . Besides, it can be controlled as a fast sweep generator employed in a bigger system from 4 GHz to 18 GHz The C700 based Testbed constitutes the main blocks of a real FMCW system such as Waveform generator, VCO (PLL module), Mixer, filters, ADC, and Processing.

FMCW Testbed Structure
FMCW Testbed Features

Figure 1, C700 based FMCW Testbed

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Figure 2 below describes a generic block diagram of an FMCW Radar highlighting such main blocks within the FMCW system structure.

Figure 2, FMCW Radar block diagram

Features & Main Specifications:

  • Measurements:                 Range and position tracking using single element or array antennas
  • Configuration:                    Open configuration environment using MATLAB®, VHDL, GNURadio, low – level                                                languages or common laboratory virtual environment
  • Frequency Range :            4 to 6 GHz (and up to 18 GHz only as a sweep generator)
  • Sweep rate:                       1GHz / millisecond
  • Range Resolution :           <10 cm ( finer resolution achievable using additional modules)
  • RF Output Power:             9 dBm (optional amplifier available)
  • Sampling  Rate:                 Up to 50 MS/s
  • Receiver Sensitivity :        -90 dBm @ 1.4 ms sweep period.  (optional pre-amplifier available)

For more information, please contact sales@spectratronix.com

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