This document describes the features and characteristics of the STEVAL-CBL007V1 LNB power supply demonstration board based on the DiSEqC 1.X-compliant LNBH23L, including complete interface between LNB and I2C bus, built-in DC-DC converter for single 12 V supply operation, selectable output current limitation, compliance with main satellite receiver output voltage specifications, auxiliary modulation input, accurate built-in 22 kHz tone generator, low-drop post regulator, high efficiency step-up PWM, internal overload and over-temperature protection, and dynamic LNB short-circuit protection.