18385848. METHODS AND APPARATUS TO MODULATE SIGNALS USING MULTI-CLASS MODULATION CIRCUITRY (TEXAS INSTRUMENTS INCORPORATED)

METHODS AND APPARATUS TO MODULATE SIGNALS USING MULTI-CLASS MODULATION CIRCUITRY

Organization Name

TEXAS INSTRUMENTS INCORPORATED

Inventor(s)

Jianquan Liao of Shanghai CN

Zejian Wang of Shanghai CN

Pourya Assem of Dallas TX US

Kannan Krishna of Dallas TX US

Zhenzhen Chen of Shanghai CN

Jing Xu of Shanghai CN

Shurong Xia of Plano TX US

Chi Cheong of Frisco TX US

METHODS AND APPARATUS TO MODULATE SIGNALS USING MULTI-CLASS MODULATION CIRCUITRY

This abstract first appeared for US patent application 18385848 titled 'METHODS AND APPARATUS TO MODULATE SIGNALS USING MULTI-CLASS MODULATION CIRCUITRY

Original Abstract Submitted

An example apparatus includes: class D amplifier circuitry having a first input, a second input, a third input, and an output, the first input of the class D amplifier circuitry coupled to the output of the class D amplifier circuitry; and class AB amplifier circuitry having a first input, a second input, a third input, and an output, the first input of the class AB amplifier circuitry coupled to the first input of the class D amplifier circuitry and the output of the class D amplifier circuitry, the second and third inputs of the class AB amplifier circuitry coupled to the second and third inputs of the class D amplifier circuitry, and the output of the class AB amplifier circuitry.