A protection circuit for a power amplifier of a radio frequency transmitter includes a sensing circuit that generates a sensed signal based on an output of the power amplifier. The method first constructs an IO tree representing a logical configuration of storage devices coupled to the storage system, the IO tree representing a flow of IO operations to the storage devices. Each cell contains an asymmetrical internal electrode construction having electrical tabs coupled to a cathode and anode. An example of a source would be a social networking site operating on a public network such as the Internet. Furthermore, a method is provided for reading data from at least one memory cell of a memory, wherein an analog value is read from the memory cell and the analog value is corrected according to a correction factor representing a storage time the analog value was stored and wherein the corrected analog value is converted to digital data. The method requires only simple circuitry and little energy consumption in the mobile parts.