Speedwell Designs Inc

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128 E Liberty St
Danbury, CT 06810
About Speedwell Designs Inc
  • Speedwell Designs manufactures the Phase Digital Synthesizer. This pioneering concept in frequency synthesis permits the achievement of excellent spectral purity, high agility, very fine (<1Hz ) resolution, low power and low cost while supporting wide bandwidth direct modulation. The principle of the Phase Digital Synthesizer (PDS) is that the control signal of the PLL is formed by a multi frequency-phase comparator with phase splitting of the reference and VCO signals into a large group of compared signals. The outputs of these partial detectors are then summed to develop the VCO control voltage
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