A Highly Linear Frequency Ramp Generator based on a Fractional Divider Phase-Locked-Loop

Thomas Musch, Ilona Rolfes, Burkhard Schiek

Proceeding of the Conference on Precision Electromagnetic Measurement (CPEM 1998), pp. 602-603, Washington D.C., USA, July 7-10, 1998


A highly linear analog frequency ramp generator based on a fractional divider concept is presented. The frequency ramp linearity achievable in this fractional phase-locked-loop configuration is better than 10-4. This value is revealed by numerical simulations as well as by measurements performed. With a prototype synthesizer implemented in a FMCW-radar system suitable for distance and velocity measurements

[IEEE Library]

Tags: radar