The DC539A demo board is used to evaluate the LTC5508, RF power detector with integrated output buffer and voltage reference. The LTC5508 converts an RF input signal at pin 6 (RF) to a DC voltage at pin 3 (Vout). The RF input frequency range is 300 MHz to 6000 MHz. Maximum input power is 12 dBm. The output voltage at Vout will start at an initial DC value of typically 250mV. When the RF signal is applied the output voltage will increase.