Modulators inventions 08/08

20080204159 - Digital fm modulator: Provided are apparatuses and methods for digital FM modulation. In one example, a message signal is integrated by an integrator to transform the message signal into a complex signal. The complex signal may include at least two complex components that may interfere to produce an FM modulated carrier signal. Hence,... Agent: Banner & Witcoff, Ltd.

20080204161 - Pwm signal generating circuit: A PWM signal generating circuit according to the invention includes a digital PWM signal generating circuit that generates a digital PWM signal having a resolution of 2n based on a clock signal CLK and n-bits (n≧1) of digital information; a triangular wave generator that generates a triangular wave (e.g. ramp... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080204160 - Universal and fault-tolerant multiphase digital pwm controller for high-frequency dc-dc converters: A multiphase hybrid digital pulse width modulator can comprise a counter that is selectable between at least two different numbers of states to indicate a first portion of a switching period. Unclocked logic can indicate a second portion of the switching period. The unclocked logic can include a delay line.... Agent: Fliesler Meyer LLP

20080197935 - Arrangement for pulse-width modulating an input signal: An arrangement for pulse-width modulating an analog or digital input signal is provided. The non-linear distortion generated in the pulse-width modulator is precompensated by applying a signal with reversed error to the pulse-width modulator. The signal with reversed error is generated by a further pulse-width modulator that receives the input... Agent: Nxp, B.v. Nxp Intellectual Property Department

20080191811 - Real time vco gain non linearity calibration: A method of determining a gain nonlinearity receives a phase difference and generates an output frequency based on the received phase difference. The method reconstructs a waveform by using the output frequency. The method preprocesses the phase difference to generate a comparison waveform. The method compares the reconstructed waveform to... Agent: Haverstock & Owens LLP