A low pass filter includes a switchable resistor bank, a gain stage, and a capacitor bank. The mobile phone includes a smart card inputting smart card information consisting of bank account information, log information, and an authentication key. Following engine operation, the bladder is inflated to draw air containing hydrocarbon vapors from the air intake tube and prevent their escape into the atmosphere. In parallel with the selecting of the plurality of data streams, an output port of the interconnect device is selected to receive the packet from the input port of the interconnect device on which the packet is received.