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F1350 数据表(PDF) 1 Page - Renesas Technology Corp |
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F1350 数据表(HTML) 1 Page - Renesas Technology Corp |
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1 / 27 page  DPD Demodulator for PA Linearization, 1300MHz to 2900MHz IDTF1350 Datasheet IDT Zero-DistortionTM, Glitch-FreeTM DPD Receiver 1 January 21, 2020 DESCRIPTION This document describes the specification for the IDTF1350 Digital Pre-Distortion Demodulator for PA linearization. This series of devices is offered in 2 variants to cover common UTRA bands. See part number matrix below for additional detail. COMPETITIVE ADVANTAGE In typical base station transmitters digital pre-distortion is employed to improve the Transmitter performance. The signal coming out of the PA is sampled and the incoming Tx chain I&Q data is pre-distorted to counteract the distortion inherent in the PA. The PA signal is adjusted via a digital step attenuator to a lower level and then sub-sampled at an IF frequency of ~200 MHz which necessitates the need for a highly linear demodulator to downmix to quadrature IF from the Transmit frequency. By sampling IF_I and IF_Q independently and then digitally combining these signals, an effective doubling of the sample rate can be achieved. Any distortion in this path will degrade the performance of the DPD algorithm. By utilizing an ultra-linear demodulator w/integrated DSA such as the IDTF1350, the ACLR and/or power consumption of the full Tx system can be improved significantly. DDPPDD ffuullll ppaatthh AACCLLRR:: ⇓⇓ 11 ddBB IIcccc:: DDPPDD ffuunnccttiioonn PPoow weerr CCoonnssuum mppttiioonn ⇓⇓ 4400% % ZZeerroo--D DiissttoorrttiioonnTTMM D Deem moodd eelliim miinnaatteess 22 IIFF aam mppss IInntteeggrraatteess 22 BBPPFFss,, 22 BBaalluunnss,, SSPPD DTT R RFF ssw wiittcchh GGlliittcchh--FFrreeeeTTMM ggaaiinn ccoonnttrrooll PART# MATRIX Part# RF range UTRA bands IF freq range Typ. Gain Injection FF11330000 555500 -- 11115500 55,,66,,88,,1122,,1133,, 1144,,1177 2200 -- 335500 1122..55 H Hiigghh SSiiddee oorr LLoow w SSiiddee FF11335500 11330000 -- 22990000 11,,22,,33,,44,,99,,1100 77,,2211,, 2244,, 3388 2200 -- 550000 1122..55 H Hiigghh SSiiddee oorr LLoow w SSiiddee FEATURES (I OR Q PATH) • Wide flat performance IF BW • Wide RF and LO BWs (~ 1.6 GHz) • Ideal for Multi-Carrier Systems •• D Drriivveess AAD DCC ddiirreeccttllyy • Ultra linear + +4411 ddBBm m IIPP33OO • Low Noise Figure • Excellent ACLR performance • 200 Ω output impedance • Fully integrated DPD demodulator •• 66xx66 3366 ppiinn ppaacckkaaggee • Standby Mode w/Fast Recovery • ICC: 227755 m mAA BLOCK DIAGRAM ORDERING INFORMATION IFI IBIAS Bias Control STBY IFQ 90O DEC CLK SPI CSb SDI RFIN_X RFIN_Y . SPLIT LOIN ISET 2 RF VCO IDTF1350NBGI8 0.8 mm height package Green Industrial Temp range Omit IDT prefix RF product Line Tape & Reel Glitch-FreeTM Glitch-FreeTM |
类似零件编号 - F1350 |
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类似说明 - F1350 |
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