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In this part of the tutorial lesson, you will build and test an FMCW system with a sawtooth chirp modulation. [[RF.Spice A/D]] provides three types of chirp generator devices. All three are based on sawtooth modulation but each provides doesn't offer a different output waveform. They are sinusoidal sine wave chirp generator, with triangular wave chirp generator and square wave chirp generatormodulation. For this project, But you will use can build one using an FM modulator block just as you did in the first type, which can be access from '''Menu > Parts > Waveform Generation Blocks > Chirp Generators > Sine Wave Chirp Generator'''. Set the '''Chirp Period''' to 100μs (i.e. a 10kHz chirp), and set the values part of the two [[parameters]] '''freq_low''' and '''freq_high''' to 1GHz and 1.01GHz, respectively. Therefore, B = 1.01GHz - 1GHz = 10MHzthis tutorial lesson.
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