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  • Basic PLL Filters for the rfPIC TM - rfHCS
    This application note will give designers a method to design their own Phase Lock Loop (PLL) filters for rfPIC transmitters, such as the rfPIC12C509 and the rfHCS362. First the circuit will be briefly described and then example components will be found with the included Microsoft (R) Excel (R
  • MEMS Oscillators
    Historically, reference oscillators used to clock a Phase Lock Loop circuit; providing a reference signal to any timing related circuit has predominantly utilized quartz crystals as the core resonators. The degree of difficulty associated with reducing the form-factor of these devices, while
  • Phase Conjugate Laser Optics - Preface
    , to achieve very high energy the use of SBS liquid cells is required as. presented in Chapter 5. Using the capability of phase conjugation to phase-lock. several beams issued from different amplifiers, the authors demonstrate up to 100 J. of output energy while keeping the beam quality close
  • Sensorless BLDC Control with Back-EMF Filtering Using a Majority Function
    control: * Commutate the motor driving voltages * The motor must be moving at a minimum rate to * Control loop generate sufficient back-EMF to be sensed * Abrupt changes to the motor load can cause the The purpose of this application note is to explain the BEMF drive loop to go out of lock different

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