Method and apparatus for providing peak detection circuitry for data communication systems
First Claim
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1. An analyte monitoring assembly, comprising:
- an analyte sensor having a portion configured for transcutaneous positioning in fluid contact with interstitial fluid, the analyte sensor configured to detect an analyte level; and
a data communication unit including an analog interface operatively coupled to the analyte sensor and configured to receive one or more signals associated with the analyte level, the data communication unit configured to communicate one or more data corresponding to the one or more signals associated with the analyte level, the data communication unit further including a peak detection unit configured to detect a condition associated with a power source of the data communication unit;
wherein the peak detection unit is configured to electrically isolate the power source of the data communication unit from the analog interface and to provide power to the analog interface when the condition associated with the power source is detected.
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Abstract
Method and apparatus for providing a peak detection circuit comprising a diode including an input terminal and an output terminal the input terminal of the diode configured to receive an input signal, a capacitor operatively coupled to the output terminal of the diode, an output terminal operatively coupled to the capacitor and the output terminal of the diode for outputting an output signal is provided. Other equivalent switching configuration is further provided to effectively detect and compensate for a voltage droop from a power supply signal, as well as to electrically isolate the voltage droop from the system circuitry.
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Citations
20 Claims
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1. An analyte monitoring assembly, comprising:
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an analyte sensor having a portion configured for transcutaneous positioning in fluid contact with interstitial fluid, the analyte sensor configured to detect an analyte level; and a data communication unit including an analog interface operatively coupled to the analyte sensor and configured to receive one or more signals associated with the analyte level, the data communication unit configured to communicate one or more data corresponding to the one or more signals associated with the analyte level, the data communication unit further including a peak detection unit configured to detect a condition associated with a power source of the data communication unit; wherein the peak detection unit is configured to electrically isolate the power source of the data communication unit from the analog interface and to provide power to the analog interface when the condition associated with the power source is detected. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. A method, comprising:
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transcutaneously positioning an analyte sensor in fluid contact with interstitial fluid; detecting an analyte level from the analyte sensor; providing one or more signals associated with the detected analyte level from the analyte sensor received by an analog interface of a data communication device; detecting a predetermined condition associated with a power source; and electrically isolating the analog interface from the power source when the predetermined condition is detected; and supplying power to the analog interface from a source other than the power source when the predetermined condition is detected; wherein the one or more signals associated with the detected analyte level from the analyte sensor are communicated during the time period when the predetermined condition is detected. - View Dependent Claims (18, 19, 20)
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Specification