Apple inc. (20240333333). Local Oscillator Driver Circuitry with Second Harmonic Rejection simplified abstract
Contents
Local Oscillator Driver Circuitry with Second Harmonic Rejection
Organization Name
Inventor(s)
Omar E. Elaasar of San Diego CA (US)
Aly Ismail of San Diego CA (US)
Local Oscillator Driver Circuitry with Second Harmonic Rejection - A simplified explanation of the abstract
This abstract first appeared for US patent application 20240333333 titled 'Local Oscillator Driver Circuitry with Second Harmonic Rejection
The abstract describes an electronic device with wireless circuitry that includes oscillator circuitry with a chain of buffer circuits known as oscillator driver circuitry. Transformers are coupled at the input and output of each buffer circuit, and adjustable biasing circuits, in the form of digital-to-analog converters (DACs), are connected to the input of a selected buffer circuit to apply a differential DC offset voltage. This voltage minimizes a second harmonic component of the oscillator driver circuitry.
- Wireless electronic device with oscillator circuitry and buffer circuits
- Transformers coupled at input and output of buffer circuits
- Adjustable biasing circuits (DACs) apply a differential DC offset voltage
- Voltage minimizes second harmonic component of oscillator driver circuitry
Potential Applications: - Wireless communication devices - Radio frequency transmitters - Signal processing equipment
Problems Solved: - Minimizing second harmonic component in oscillator driver circuitry - Improving signal quality in wireless devices
Benefits: - Enhanced signal integrity - Improved performance in wireless communication - Reduction of unwanted harmonic components
Commercial Applications: Title: "Advanced Wireless Communication Devices with Improved Signal Quality" This technology can be used in the development of high-performance wireless communication devices for various industries, including telecommunications, IoT, and military applications. The improved signal quality and reduced harmonic components can lead to more reliable and efficient wireless communication systems.
Questions about the technology: 1. How does the differential DC offset voltage minimize the second harmonic component in the oscillator driver circuitry?
- The differential DC offset voltage applied by the adjustable biasing circuits helps to balance the input signal, reducing the second harmonic component in the oscillator driver circuitry.
2. What are the potential implications of this technology in the field of wireless communication devices?
- This technology can lead to the development of more reliable and efficient wireless communication systems, improving signal quality and overall performance.
Original Abstract Submitted
an electronic device may include wireless circuitry having a mixer configured to receive an oscillating signal from oscillator circuitry. the oscillator circuitry can include a chain of buffer circuits referred to as oscillator driver circuitry. transformers may be coupled at the input and output of each buffer circuit in the chain. adjustable biasing circuits may be coupled at the input of a selected buffer circuit in the chain. the adjustable biasing circuits can be digital-to-analog converters (dacs) configured to apply a differential direct current (dc) offset voltage to the input of the selected buffer circuit. the differential dc offset voltage can have a value that minimizes a second harmonic component of the oscillator driver circuitry.
