Patent ID: 8149103

Claim:
A method, comprising: coupling an input terminal of a first amplifier to a signal source configured to receive an analyte sensor signal, the first amplifier including an output terminal configured to provide a first output signal; coupling an input terminal of a second amplifier to the output terminal of the first amplifier, the second amplifier including an output terminal configured to provide a second output signal, wherein the first output signal is a predetermined ratio of the second output signal, and the first output signal and the second output signal are associated with a monitored analyte level of a user; comparing, using a processor, the one or more signals received at the one or more first amplifier output terminal and the second amplifier output terminal to a predetermined threshold value; and processing a signal associated with one of the one or more signals received at the first amplifier output terminal and the second amplifier output terminal when another signal associated with the other one of the signals received at the first amplifier output terminal and the second amplifier output terminal exceeds the predetermined threshold value.