
US Patent Application No: 2012/0169,412
Number of patents in Portfolio can not be more than 2000
FAST POWER-ON BIAS CIRCUIT
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Jul 5, 2012
Publication date -
Dec 30, 2011
filing date -
13/341,483
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Abstract
Conventional bias circuits exhibit a number of limitations, including the time required to power-up a bias circuit following a low-power state. Large current surges in the supply network induce ringing, further complicating a power-up process. Example embodiments reduce power-up time and minimize current surges in the supply by selectively charging and discharging capacitance to the circuit during power-up and power-down of the bias circuit.
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