Intelligent bias voltage generating circuit
First Claim
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1. A circuit for generating a bias voltage for an electronic device, said bias voltage generating circuit comprising:
- a detecting circuit;
a control circuit; and
a multi-section bias voltage generating circuit comprising a plurality of bias voltage generating sections;
said detecting circuit being fed by a power source signal and producing output signals in response to power fluctuations;
said control circuit generating control signals in response to said output signals, said control signals being applied to said multi-section bias voltage generating circuit alternately, such that only one of said sections is active at a given time;
said multi-section bias voltage generating circuit producing said bias voltage, an amplitude of said bias voltage depending on which section of said multi-section bias voltage generating circuit is active.
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Abstract
An intelligent bias voltage generating circuit capable of providing an electronic device with a reliable bias signal includes a power input terminal which is electrically connected to a power generating device for providing a power input, and a bias voltage generating circuit which is electrically connected to the power input terminal for responding to power fluctuations and generating a bias voltage signal output by a multi-section linear variation method.
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Citations
7 Claims
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1. A circuit for generating a bias voltage for an electronic device, said bias voltage generating circuit comprising:
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a detecting circuit; a control circuit; and a multi-section bias voltage generating circuit comprising a plurality of bias voltage generating sections; said detecting circuit being fed by a power source signal and producing output signals in response to power fluctuations; said control circuit generating control signals in response to said output signals, said control signals being applied to said multi-section bias voltage generating circuit alternately, such that only one of said sections is active at a given time; said multi-section bias voltage generating circuit producing said bias voltage, an amplitude of said bias voltage depending on which section of said multi-section bias voltage generating circuit is active. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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Specification