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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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RF65 датащи(PDF) 31 Page - List of Unclassifed Manufacturers |
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RF65 датащи(HTML) 31 Page - List of Unclassifed Manufacturers |
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31 / 72 page  Page 31 RF65 Tel: +86-755-82973805 Fax: +86-755-82973550 E-mail: sales@hoperf.com http://www.hoperf.com ADVANCED COMMUNICATIONS & SENSING DATASHEET Rx startup request (sequencer or user) TS_RE XO Started and PLL is locked Analog FE ‟s group delay Channel Filter ‟s group delay DC Cutof f‟s group delay RSSI sampling RSSI sampling Reception of Packet Tana Tcf Tdcc Trssi Trssi ModeReady RxReady Figure 14. Rx Startup - No AGC, no AFC Rx startup request (sequencer or user) TS_RE_AGC The LNA gain is adjusted by the AGC, according to the RSSI result XO Started and PLL is locked Analog FE ‟s group delay Channel Filte r‟s group delay DC Cutoff ‟s group delay RSSI sampling RSSI sampling Channel Filter ‟s group delay DC Cutof f‟s group delay RSSI sampling Reception of Packet Tana Tcf Tdcc Trssi Trssi Tcf Tdcc Trssi ModeReady RxReady Figure 15. Rx Startup - AGC, no AFC Rx startup request (sequencer or user) TS_RE_AGC&AFC The LNA gain is adjusted by the AGC, according to the RSSI result Carrier Frequency is adjusted by the AFC XO Started and PLL is locked Analog FE ‟s group delay Channel Filte r‟s group delay DC Cutof f‟s group delay RSSI sampling RSSI sampling Channel Filter ‟s group delay DC Cutof f‟s group delay RSSI sampling AFC PLL lock Channel Filter ‟s group delay DC Cutof f‟s group delay Reception of Packet Tana Tcf Tdcc Trssi Trssi Tcf Tdcc Trssi Tafc Tpllafc Tcf Tdcc ModeReady RxReady Figure 16. Rx Startup - AGC and AFC The different timings shown above are as follows: Note The above timings represent maximum settling times, and shorter settling times may be observed in real cases |
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