An apparatus with associated gain and input impedance includes gain devices, a switching unit and a resistor. Data may be received over a wireless communication regarding movement of a ball within an event venue during an event. Each of the plurality of first thin film transistors and the plurality of second thin film transistors includes an oxide semiconductor layer, and the photosensor includes an oxide photoelectric conversion layer that are made of a same material on a same layer as the oxide semiconductor layer. In one embodiment of the invention, a transformer matches the source and load impedance magnitudes. In one embodiment, a container encloses shaped charges surrounded by oxygen-rich material.