Analog Devices offers the broadest portfolio of RF ICs covering the entire RF signal chain, from industry-leading high-performance RF function blocks to highly integrated ISM band and wideband single-chip transceiver solutions. The RF function blocks include DDS and PLL synthesizers; TruPwr RMS™ power detectors and logarithmic amplifiers; VGAs; power amplifiers, LNAs and other RF amplifiers, prescalers, mixers and direct conversion modulator and demodulator products. These products are supported by a wide range of free design tools, an online support community and Circuits from the Lab™ reference circuits.