RDA5815 데이터시트 PDF



RDA에서 제조한 전자 부품 RDA5815은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.



RDA5815의 기능 및 특징 중 하나는 "Fully Integrated Satellite receiver" 입니다.


PDF 형식의 RDA5815 자료 제공

RDA5815 기능
Fully Integrated Satellite receiver
RDA
RDA 로고 


RDA5815 데이터시트 를 다운로드하여 반도체의 전기적 특성과 매개변수에 대해 알아보세요.



PDF 파일안의 텍스트 미리보기

RDA Microelectronics, Inc. RDA5815-Fully Integrated Satellite receiver for DVB-S , DVB-S2 & ABS-S,MMDS DATA SHEET RDA5815 Fully Integrated, Direct Down-Conversion Satellite Receiver for DVB-S,DVB-S2&ABS-S,MMDS ______ The information contained herein is the exclusive property of RDA and shall not be distributed, reproduced, or disclosed in whole or in part without prior written permission of RDA. RDA Microelectronics, Inc. RDA5815-Fully Integrated Satellite receiver for DVB-S , DVB-S2 & ABS-S,MMDS Update History Rev Date 2.0 2011-6-8 Author History Description Wang hongxin The primary datasheet for B version chip The information contained herein

Contents of page 4 out of 18 pages :

RDA Microelectronics, Inc. RDA5815-Fully Integrated Satellite receiver for DVB-S , DVB-S2 & ABS-S,MMDS Functional Block Diagram RF input Internal pre lna Variable Gain LNA Loopout VCO AGC Amplifier 90 0 Variable Low Variable Gain Pass Filter Output Amplifier AGC Amplifier PLL Dividers, Phase Detector, Loop Filter and Charge Pump Variable Low Pass Filter Reference Oscillator Variable Gain Output Amplifier I2C interface Programming and Control IP IN QP QN Functional Description The loop lna is used to generate the loopout signal.An on chip variable gain LNA is used to provide wide tuner dynamic range. A direct conversion architecture is used to convert the RF signal to in-phase and quadrature baseband signals. The signals required for direct conversion are all generated within the chip by a fully integrated PLL and a quadrature LO generator. The frequency of the VCO is set by internal PLL circuits, which are programmable via a 2-wire (I2C) serial bus. The LO signals are mixed with the RF signal input and then filtered by low-pass filters to remove the upper image produced by the mixer. A variable gain amplifier is then used to adjust the baseband signal levels before processing by the channel selection filters to optimize noise performance and prevent distortion within the filters. The channel select filters are digitally programmable low pass filters with 1MHz step from 4MHz to 40MHz. The output amplifier buffered the signal from the filters to increase the driving capability to the next baseband

PDF 파일 전체 : 18 페이지중 1, 2페이지 미리보기
RDA5815 datasheet
RDA5815 pinouts
[ RDA5815.PDF 데이터시트 ]

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