The LTC 5599 is a low power I/Q modulator from Linear Technology that has been designed for low power wireless applications from 30 MHz to 1.3 GHz. It can be used in a wide range of battery-powered radios and wireless communications applications that are exposed to strong radio interference. These include wireless professional microphones, frequency hopping narrowband and broadband portable field radios, public safety radios, train communications, as well as broadband VHF/UHF white space modems, software-defined radios, portable RF test equipment, picocell base stations, low-power microwave backhaul, small wireless repeaters and satellite modems.
It requires a single 2.7 V to 3.6 V supply and draws only 28 mA current which is 60% less than most alternatives. It has -52.6dBc sideband suppression and -51.5dBm carrier leakage without calibration. With on-chip calibration resources, performance can be further improved to –60dBc (Sideband Suppression) and –65dBm (Carrier Leakage). Moreover the device has an excellent noise floor of –156dBm/Hz with an OIP3 of 20.8dBm, delivering high transmitter performance.
