Circuit and method of setting a bias point for a single-ended am

Details Circuit and method of setting a bias point for a single-ended am Circuit and method of setting a bias point for a single-ended am

1993-10-25

1994-07-12

Mottola, Steven

Amplifiers

With semiconductor amplifying device

Including push-pull amplifier

330264, H03F 326

Patent

active

053292464

ABSTRACT:
An amplifier circuit receives biasing during power-up to reduce propagation delay. A start-up circuit generates first and second control signals upon detecting the power supply potential to the amplifier below a predetermined threshold. The control signals enable a biasing circuit to establish a bias potential at the input of the amplifier. After the power supply potential reaches the predetermined threshold, the control signals from the start-up circuit change state to disable the biasing circuit and allow the amplifier to operate normally.

REFERENCES:
patent: 4594560 (1988-06-01), Dingwall et al.

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