Oscillator calibration circuits and wireless transmitters including oscillator calibration circuits. An oscillator calibration circuit includes a first frequency locking circuit (FLC) coupled to a first oscillator, wherein the first FLC calibrates the frequency of the first oscillator using an over-the-air reference signal, wherein the first FLC calibrates the first oscillator prior to a data transmission session and remains free running during the data transmission session.

Apparatuses and methods for phase interpolators are provided. An example apparatus comprises a phase interpolator and a controller coupled to the phase interpolator. The controller is configured to provide a digital timing code to the phase interpolator, and the phase interpolator is configured to apply a correction to the received digital timing code based, at least in part, on phase interpolator error correction data from a data structure containing phase interpolator error correction data.

Apparatuses and methods for phase interpolators are provided. An example apparatus comprises a phase interpolator and a controller coupled to the phase interpolator. The controller is configured to provide a digital timing code to the phase interpolator, and the phase interpolator is configured to apply a correction to the received digital timing code based, at least in part, on phase interpolator error correction data from a data structure containing phase interpolator error correction data.

Methods and systems for wave-based computation are provided. In one aspect, a wave-based computer includes an input circuit configured to receive a dividend and generate a plurality of prime waves and a dividend wave based on the received dividend, and a transmission circuit configured to receive the prime waves and the dividend wave from the input circuit. The wave-based computer further includes an output circuit configured to receive the prime waves and the dividend wave from the transmission circuit, detect zero-crossings of each of the prime waves and the dividend wave, and determine prime factors of the dividend based on the detected zero-crossings.

Methods and systems for wave-based computation are provided. In one aspect, a wave-based computer includes an input circuit configured to receive a dividend and generate a plurality of prime waves and a dividend wave based on the received dividend, and a transmission circuit configured to receive the prime waves and the dividend wave from the input circuit. The wave-based computer further includes an output circuit configured to receive the prime waves and the dividend wave from the transmission circuit, detect zero-crossings of each of the prime waves and the dividend wave, and determine prime factors of the dividend based on the detected zero-crossings.

An oscillator having a dielectric wave guiding resonant cavity and an oscillator circuit operatively coupled to the dielectric wave guiding resonant cavity having at least one transistor, the two being of a unitary construction.

An oscillator having a dielectric wave guiding resonant cavity and an oscillator circuit operatively coupled to the dielectric wave guiding resonant cavity having at least one transistor, the two being of a unitary construction.

A door/window opening detector including an antenna having at least a first resonant frequency and a second resonant frequency associated therewith, the second resonant frequency being different from the first resonant frequency, the antenna having the first resonant frequency when in proximity to a door/window having a given dielectric constant and the second resonant frequency when not in proximity to a door/window having the given dielectric constant, and an alarm indication generator operable, in response to receiving an indication that a resonant frequency of the antenna has changed from the first resonant frequency to the second resonant frequency, for generating an alarm indication of opening of the door/window.

A door/window opening detector including an antenna having at least a first resonant frequency and a second resonant frequency associated therewith, the second resonant frequency being different from the first resonant frequency, the antenna having the first resonant frequency when in proximity to a door/window having a given dielectric constant and the second resonant frequency when not in proximity to a door/window having the given dielectric constant, and an alarm indication generator operable, in response to receiving an indication that a resonant frequency of the antenna has changed from the first resonant frequency to the second resonant frequency, for generating an alarm indication of opening of the door/window.

Apparatuses and methods for phase interpolators are provided. An example apparatus comprises a phase interpolator and a controller coupled to the phase interpolator. The controller is configured to provide a digital timing code to the phase interpolator, and the phase interpolator is configured to apply a correction to the received digital timing code based, at least in part, on phase interpolator error correction data from a data structure containing phase interpolator error correction data.