An analog to digital converter that comprises a successive approximation register having an n bit binary output, a first capacitor array connected to receive some of the bits of the binary output, a second capacitor array connected to receive the remaining bits of the binary output, and a comparator including an output connected to the SAR. With this configuration, a method can be provided whereby, in accordance with the usage condition of a network, a code sequence having a preferable correlation property can be selected, from among a number of code sequences that are generated, and allocated to a communication channel. The second outer shell removed area has a diameter larger than a diameter in the first outer shell removed area. The expansion of the fluid in the hot chamber and the compression of the fluid in the cold chamber drive a turbine to provide a power output. The invention further relates to a method for retrofitting an aircraft cabin of an aircraft with a changing cubicle.