公开(公告)号：US20080231372A1

公开(公告)日：2008-09-25

申请号：US11832653

申请日：2007-08-02

Applicant: Wei-Zen Chen ,  Dar-Huei Liao ,  Chih-Jen Yen

Inventor： Wei-Zen Chen ,  Dar-Huei Liao ,  Chih-Jen Yen

IPC: H03F3/04

CPC classification number: H03F3/45475 ,  H03F1/0211 ,  H03F2200/78 ,  H03F2203/45541

Abstract: A dynamic biasing amplifier apparatus, and dynamic biasing apparatus, and method are disclosed. The dynamic biasing amplifier apparatus includes a comparator unit, a dynamic bias generator unit, and an amplifier unit. The amplifier unit receives an input signal and output an output signal based on at least a bias voltage. The comparator unit compares the positive and negative input signals of the amplifier unit. The dynamic bias generator unit generates and adjusts the bias voltage in accordance with the comparing result of the comparator unit. Therefore, the dynamic bias generator unit controls the amplifier unit to operate in a low static current mode when the input signal is in steady state; and the dynamic bias generator unit controls the amplifier unit to operate in a high dynamic current mode when the input signal is in transition state.

Abstract translation: 公开了一种动态偏置放大器装置和动态偏置装置及方法。 动态偏置放大器装置包括比较器单元，动态偏置发生器单元和放大器单元。 放大器单元接收输入信号并至少基于偏置电压输出输出信号。 比较器单元比较放大器单元的正和负输入信号。 动态偏置发生器单元根据比较器单元的比较结果生成和调整偏置电压。 因此，当输入信号处于稳定状态时，动态偏置发生器单元控制放大器单元在低静态电流模式下工作; 并且当输入信号处于转换状态时，动态偏置发生器单元控制放大器单元在高动态电流模式下工作。

公开(公告)号：US07479833B2

公开(公告)日：2009-01-20

申请号：US11832653

申请日：2007-08-02

Applicant: Wei-Zen Chen ,  Dar-Huei Liao ,  Chih-Jen Yen

Inventor： Wei-Zen Chen ,  Dar-Huei Liao ,  Chih-Jen Yen

IPC: H03F3/04

CPC classification number: H03F3/45475 ,  H03F1/0211 ,  H03F2200/78 ,  H03F2203/45541

Abstract: A dynamic biasing amplifier apparatus, and dynamic biasing apparatus, and method are disclosed. The dynamic biasing amplifier apparatus includes a comparator unit, a dynamic bias generator unit, and an amplifier unit. The amplifier unit receives an input signal and output an output signal based on at least a bias voltage. The comparator unit compares the positive and negative input signals of the amplifier unit. The dynamic bias generator unit generates and adjusts the bias voltage in accordance with the comparing result of the comparator unit. Therefore, the dynamic bias generator unit controls the amplifier unit to operate in a low static current mode when the input signal is in steady state; and the dynamic bias generator unit controls the amplifier unit to operate in a high dynamic current mode when the input signal is in transition state.

Abstract translation: 公开了一种动态偏置放大器装置和动态偏置装置及方法。 动态偏置放大器装置包括比较器单元，动态偏置发生器单元和放大器单元。 放大器单元接收输入信号并至少基于偏置电压输出输出信号。 比较器单元比较放大器单元的正和负输入信号。 动态偏置发生器单元根据比较器单元的比较结果生成和调整偏置电压。 因此，当输入信号处于稳定状态时，动态偏置发生器单元控制放大器单元在低静态电流模式下工作; 并且当输入信号处于转换状态时，动态偏置发生器单元控制放大器单元在高动态电流模式下工作。