A biquad wideband signal processing circuit can operate over bandwidths of 50 MHz to 20 GHz or more. The battery assembling body includes a housing which contains batteries, a side frame which is used to detachably fit the housing to a lower frame of a vehicle, a ventilation hole located upper part of the housing, and a ventilation space which is formed between the housing and the batteries, and the ventilation space is in communication with the ventilation hole. Bubbles are formed in the plurality of plugged portions, and the center of each of the bubbles is positioned in a predetermined region of each of the plugged portions along the central axis direction thereof. The address control circuit divides the page into zones and sequentially selects the address of each of the zones.