Reference buffer with dynamic current control

Details Reference buffer with dynamic current control Reference buffer with dynamic current control

2007-10-30

2007-10-30

Nguyen, Linh (Department: 2819)

Amplifiers

With semiconductor amplifying device

Including differential amplifier

C330S260000

Reexamination Certificate

active

11292116

ABSTRACT:
A method can allow a system to selectively control increasing of a bias source in a reference buffer or decreasing impedance looking into a output of the reference buffer for a temporary or selective time period, which can result in an increased overall efficiency of the system. The method can include at least the following steps. A first input signal is received at an input of a reference buffer. A second input signal is received from a load at an output of the reference buffer. A value of a bias source coupled to the output of the reference buffer is modulated, such that a spike of a signal at the output of the reference buffer caused by the second input signal is maintained below a threshold value. Alternatively, an impedance looking into the output of the reference buffer is modulated, such that a spike of a signal at the output of the reference buffer caused by the second input signal is maintained below a threshold value.

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patent: 2001117648 (2001-04-01), None

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