METHOD AND SYSTEM FOR SPLIT VOLTAGE DOMAIN RECEIVER CIRCUITS
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Accused Products
Abstract
Methods and systems for split voltage domain receiver circuits are disclosed and may comprise amplifying received electrical signals in a plurality of partial voltage domains, and combining the amplified received signals, utilizing a stacked cascode amplifier for each partial voltage domain, into a single differential signal in a single voltage domain. The stacked cascode amplifiers may comprise a feedback loop having a comparator which controls a current source in each domain. The signals may be received from a photodiode, which may be integrated in the integrated circuit. The amplified signals may be combined via stacked common source or common emitter amplifiers. The received signals via may be amplified by stacked inverters. The amplified received signals may be AC or DC coupled prior to the combining. The received electrical signals may be amplified and combined via cascode amplifiers. The voltage domains may be stacked and may be controlled by feedback loops.
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Citations
42 Claims
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1-20. -20. (canceled)
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21. A method for processing signals, the method comprising:
in an integrated circuit; amplifying received electrical signals in a plurality of partial voltage domains; and combining said amplified received signals, utilizing a stacked cascode amplifier for each partial voltage domain, into a single differential signal in a single voltage domain, said stacked cascode amplifiers comprising a feedback loop having a comparator which controls a current source in each domain. - View Dependent Claims (22, 23, 24, 25, 26, 27, 28, 29, 30, 31)
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32. A system for processing signals, the system comprising:
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in an integrated circuit, one or more circuits operable to amplify received electrical signals in a plurality of partial voltage domains; and said one or more circuits being operable to combine said amplified received signals into a single differential signal, utilizing a stacked cascode amplifier for each partial voltage domain, in a single voltage domain, said stacked cascode amplifiers comprising a feedback loop having a comparator which controls a current source in each domain. - View Dependent Claims (33, 34, 35, 36, 37, 38, 39, 40, 41, 42)
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Specification