Abstract
In this paper, a fractional frequency synthesizer architecture is proposed, employing a new mixer based on signal coincidence, which achieves fast-settling, and high resolution compared with the direct frequency synthesizer based on diophantine equations. This new coincidence mixer, using digital error correction techniques, requires no output filters where sum and difference of input signal frequencies are obtained directly by separated outputs. Besides some examples, related to synthesizers the simulations are performed by using Matlab. The new coincidence mixer is also realized and the measuring results are also given.
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