ZHCSJ34F December 2015 – May 2019 TDA2HF , TDA2HG , TDA2HV , TDA2LF , TDA2SA , TDA2SG , TDA2SX
PRODUCTION DATA.
Ensure that all metallic parts are well connected to the PCB ground (like LCD screens metallic frames, antennas reference planes, connector cages, flex cables grounds, and so forth). If using flex PCB ribbon cables to bring high-frequency signals off the PCB, ensure they are adequately shielded (coaxial cables or flex ribbons with a solid reference ground).