Frequency Synthesizer Circuit Diagram

Published:2011/9/14 0:26:00 Author:Zoey | Keyword: Frequency, Synthesizer Circuit Diagram | From:SeekIC

SIM8821XO2 -GOTO is a frequency synthesizer integrated circuit, it is widely used in Samsung's CDMA series cellphones, such as the Samsung A399 mobile phone. 1 Features SIM8821XO2-GOTO integrated circuit contains the first local oscillator, the second local oscillator sampling and filtering circuit, and frequency synthesis data,start, clock circuits,phase detector power supply circuit, as well as some other auxiliary function circuits. 2 Pin Functions Pin functions of SIM8821XO2 -GOTO IC have been listed in Table 1.



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