MAX2165 primary frequency conversion DVB-H tuner

MAX2165 primary frequency conversion DVB-H tuner Be Overview The MAX2165 Direct Variable Field Tuner IC is designed for hand-held digital video broadcasting (DVB-H) applications. The tuner covers an input frequency range of 470 MHz to 780 MHz and provides an I / Q baseband interface. The direct frequency conversion structure of the MAX2165 saves the IF-SAW filter, allowing to reduce material expenditure. This design integrates a variable gain low noise amplifier (LNA), a carrier, an RF tracking filter, an orthogonal mixer, a power detector, a programmable baseband low-pass channel selection filter, a variable gain baseband amplifier (VGA ), DC offset eliminating circuits and a complete decimal division synthesizer. This device can be programmed by a 2-wire I2C compatible serial interface. The MAX2165 integrates a tunable wave. The filter is designed to filter out an interference signal in the range of 830 MHz to 950 MHz, allowing operations in an occasion with strong cellular signals. The programmable baseband channel selection filter allows you to operate with 7MHz and 8MHz channels. Digital DC Offset Circuits operate from the upper delay to minimize support. The decimal division synthesizer reduces the VCO lock time and reduces the central phase noise, eliminating the extremely power-consuming phase noise reduction algorithm. The MAX2165 provides a 5mm x 5mm x 0.8mm, a 28-lead thin QFN package with nude pads. The chip operates from -40 ° C to + 85 ° C expanded level temperature range. Be Key feature Be Single + 2.85V supply voltage consumption 93mA (typical) current 8% duty cycle 21MW (typical) average power consumption Direct frequency conversion structure saves the IF-SAW filter Integrated RF tunable trap for honeycomb blocking signals Integrated DC offset elimination circuit Integrated RF tunable trap for up to 7dBM mobile phone signal site Extending the UHF band work 5mm x 5mm x 0.8mm, 28-pin thin QFN package Application / use DMB-T / H portable device Handheld DVB-H receiver DVB-T portable device ISDB-T receiver (13 segments) MAX2165 PDF Datasheet, Technology Zone Heilind won the title of "2017 Huaqiang Electronic Network Quality Supplier" Tas5634300W stereo PurePath (TM) HD digital input efficient power level TAS2557 5.7W D-class audio amplifier with H-class boost and speaker detection function Ruckus NetWorks appointed Deng Weidong for the general manager of China China Site Electronic Technology Forum - Power Technology Practice Seminar held in Wuhan

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