US 12,034,420 B2
Switching amplifier having linear transition totem pole modulation
Yinglai Xia, Plano, TX (US); and Yogesh Kumar Ramadass, San Jose, CA (US)
Assigned to TEXAS INSTRUMENTS INCORPORATED, Dallas, TX (US)
Filed by Texas Instruments Incorporated, Dallas, TX (US)
Filed on Sep. 30, 2021, as Appl. No. 17/491,133.
Prior Publication US 2023/0098806 A1, Mar. 30, 2023
Int. Cl. H03F 3/217 (2006.01); H03G 3/34 (2006.01); H03F 1/02 (2006.01)
CPC H03G 3/34 (2013.01) [H03F 3/217 (2013.01); H03F 2200/03 (2013.01)] 26 Claims
OG exemplary drawing
 
1. An apparatus, comprising:
a control circuit having an input, first control outputs, and second control outputs, the control circuit including a filter and a modulation signal generator coupled between the input and the first control outputs and an amplifier coupled between the input and the second control outputs;
a first power stage having first control inputs and a first power stage output, the first control inputs coupled to the first control outputs;
a second power stage having second control inputs and a second power stage output, the second control inputs coupled to the second control outputs.