STEVAL-CBL004V1 is a power supply demonstration board for LNB based on the LNBH24. It provides a complete interface between LNBs and I2C bus, built-in DC-DC converter for single 12V supply operation, high efficiency, compliance with main satellite receiver output voltage specifications, bidirectional DiSEqC™ 2.0 support, overload and overtemperature protection, and diagnostic feedback through I2C bits.