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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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AX5243 датащи(PDF) 13 Page - ON Semiconductor |
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AX5243 датащи(HTML) 13 Page - ON Semiconductor |
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13 / 42 page  AX5243 www.onsemi.com 13 Table 12. RECEIVER Symbol Description Condition Min Typ Max Units SBR Signal bit rate 0.1 125 kbps ISBER868 Input sensitivity at BER = 10−3 for 868 MHz operation, continuous data, without FEC FSK, h = 0.5, 100 kbps −105 dBm FSK, h = 0.5, 10 kbps −116 FSK, 500 Hz deviation, 1.2 kbps −126 PSK, 100 kbps −109 PSK, 10 kbps −120 PSK, 1 kbps −130 ISBER868FEC Input sensitivity at BER = 10−3, for 868 MHz operation, continuous data, with FEC FSK, h = 0.5, 50 kbps −111 dBm FSK, h = 0.5, 5 kbps −122 FSK, 0.1 kbps −137 ISPER868 Input sensitivity at PER = 1%, for 868 MHz operation, 144 bit packet data, without FEC FSK, h = 0.5, 100 kbps −103 dBm FSK, h = 0.5, 10 kbps −115 FSK, 500 Hz deviation, 1.2 kbps −125 ISWOR868 Input sensitivity at PER = 1% for 868 MHz operation, 144 bit packet data, WOR−mode, without FEC FSK, h = 0.5, 100 kpbs −102 dBm IL Maximum input level 0 dBm CP1dB Input referred compression point 2 tones separated by 100 kHz −35 dBm RSSIR RSSI control range FSK, 500 Hz deviation, 1.2 kbps −126 −46 dB RSSIS1 RSSI step size Before digital channel filter; calculated from register AGCCOUNTER 0.625 dB RSSIS2 RSSI step size Behind digital channel filter; calculated from registers AGCCOUNTER, TRKAMPL 0.1 dB RSSIS3 RSSI step size Behind digital channel filter; reading register RSSI 1 dB SEL868 Adjacent channel suppression 25 kHz channels , Note 1 45 dB 100 kHz channels, Note 1 47 BLK868 Blocking at ± 10 MHz offset FSK 4.8 kbps, Note 2 78 dB RAFC AFC pull−in range The AFC pull−in range can be programmed with the MAXRFOFFSET registers. The AFC response time can be programmed with the FREQGAIND register. ± 15 % RDROFF Bitrate offset pull−in range The bitrate pull−in range can be programmed with the MAXDROFFSET registers. ± 10 % 1. Interferer/Channel @ BER = 10−3, channel level is +3 dB above the typical sensitivity, the interfering signal is CW; channel signal is modulated with shaping 2. Channel/Blocker @ BER = 10−3, channel level is +3 dB above the typical sensitivity, the blocker signal is CW; channel signal is modulated with shaping |
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