Patent ID: 7890065

Claim:
A temperature-compensated power detector, the temperature-compensated power detector comprising: a. a detector circuit, the detector circuit comprising at least one first diode, the at least one first diode detecting a power variation in an input RF signal from an RF signal source, the detector circuit having a first temperature coefficient; and b. a temperature compensating circuit, the temperature compensating circuit comprising: i. at least one voltage regulator, the at least one voltage regulator providing a regulated voltage with a second temperature coefficient; and ii. at least one resistive divider, the at least one resistive divider being coupled to the at least one voltage regulator, the at least one resistive divider dividing each of the regulated voltage and the second temperature coefficient in a pre-defined ratio to provide a biasing voltage with a third temperature coefficient to the at least one first diode, wherein the third temperature coefficient corresponding to the biasing voltage is equal to the first temperature coefficient; wherein the biasing current passing through the at least one first diode will remain constant.