Denotes whether the model is a UHD TV with 4K (3840x2160) resolution, or 8K (7680x4320), or an HDTV with 1920x1080, or less common 1366x768 resolution. The Sharp Aquos LC-70UD1U is an Ultra HD ...
Abstract: The performance of a differential LC oscillator can be enhanced by resonating the common mode of the circuit at twice the oscillation frequency. When this technique is correctly employed, ...