Receiver circuits in serial lanes each generate a synchronous clock signal that is aligned with a master clock signal to allow synchronous transfer of data onto the master clock domain without corruption. The weld head includes a welding torch and an arc voltage control assembly that is operatively connected to the welding torch and configured to move the welding torch. The coating composition is coated onto surfaces of portable terminals and electronic instruments. The caller information server may determine whether names within the caller ID information are legitimate and store or filter the information accordingly. Further, means for varying an aperture size associated with the valve also are provided, wherein the means for varying is configured to compensate for differences in engine speed to further improve efficiency and reduce fuel consumption and emissions. The control circuit comprises voltage level shifting means for generating a measurement voltage signal V2 by adjusting the DC component of the output voltage Vout.