- 专利标题: Spectral shaping of spread spectrum clocks/frequencies through post processing
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申请号: US16107742申请日: 2018-08-21
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公开(公告)号: US10541610B1公开(公告)日: 2020-01-21
- 发明人: Joerg Erik Goller
- 申请人: TEXAS INSTRUMENTS INCORPORATED
- 申请人地址: US TX Dallas
- 专利权人: Texas Instruments Incorporated
- 当前专利权人: Texas Instruments Incorporated
- 当前专利权人地址: US TX Dallas
- 代理商 Tuenlap Chan; Charles A. Brill; Frank D. Cimino
- 主分类号: H02M3/157
- IPC分类号: H02M3/157 ; H02M3/156 ; G06F7/58 ; G01R31/3183 ; H02M1/08
摘要:
An integrated circuit. The integrated circuit comprises a timebase generator and a switch mode direct current-to-direct current (DC-to-DC) converter coupled to the timebase generator. The timebase generator comprises a linear feedback shift register (LFSR) having an output and a logic circuit comprising a first logic inverter, a first AND logic gate, and a first multiplexer, wherein the first logic inverter has an input coupled to a most significant bit of the output of the LFSR, wherein the first AND logic gate has a first input coupled to a second most significant bit of the output of the LFSR and a second input coupled to an output of the first logic inverter, wherein a selector input of the first multiplexer is coupled to an output of the first AND logic gate.
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