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Zakładka z wyszukiwarką danych komponentów |
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Zakładka z wyszukiwarką danych komponentów |
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AK2401 Arkusz danych(PDF) 34 Page - Asahi Kasei Microsystems |
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AK2401 Arkusz danych(HTML) 34 Page - Asahi Kasei Microsystems |
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34 / 103 page  [AK2401] 017003093-E-00 2017/3 34 13.5.3. Output Path Selection of Analog Baseband Signal The signal path of the AAF output is controlled with IQ_SEL, ANA_PATH and MAIN_PATH bits <Address0x14>. Normally, the path between AAF and ADC is shorten by setting MAIN PATH bit = “1” and the paths between AAF and the AOUT_P pin, and AAF and the AOUT_N pin are open by setting ANA_PATH bit = “0”. In this case, the AOUT_P pin and the AOUT_N pin must be opened. Receiving analog baseband signal can be output in differential format by setting ANA_PATH bit = “1” shortening the paths between AAF and the AOUT_P pin, and AAF and the AOUT_N pin. In this case, IQ_SEL bit selects the output channel from Ich and Qch. Connect AC coupling capacitors to the AOUT_P and AOUT_N pins since these pins are internally DC biased. Connect them to an external device and they will output Hi-z signals. Figure 21. Output Path Selection of Analog Baseband Signal 34. AOUT_N AAF I+ Q+ I- Q- 24-bit ΔΣ ADC 24-bit ΔΣ ADC AAF IQ_SEL bit 33. AOUT_P External Device Hi-Z Hi-Z MAIN_PATH bit ANA_PATH bit |
Podobny numer części - AK2401 |
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Podobny opis - AK2401 |
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