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Moteur de recherche de fiches techniques de composants électroniques |
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Moteur de recherche de fiches techniques de composants électroniques |
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BK4819 Fiches technique(PDF) 1 Page - Beken Corporation |
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BK4819 Fiches technique(HTML) 1 Page - Beken Corporation |
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1 / 22 page  BK4819 Rev.1.0 Copyright©2018 by Beken Corporation BK4819 Analog Two Way Radio IC Features World wide band: 18 MHz ~ 660 MHz, 840 MHz ~1300 MHz 12.5/25/6.25/20 kHz channel spacing On chip 7 dBm RF PA 2.6 V to 3.6 V power supply CTCSS tone receiver with tail CTCSS frequency detector 23/24 bit programmable DCS code Standard DTMF and programmable in-band dual tone SELCALL and programmable in-band single tone FSK data modem Frequency inversion scrambler Voice activated switch (VOX) RF Signal strength measurement TX Audio signal strength indication and RX audio signal strength indication 3-wires interface with MCU with maximum 8 Mbps clock rate QFN 4x4 32-Pin package Applications Personal Radio Service Baby Monitor Toys General Description The BK4819 is a half duplex TDD FM transceiver operating within 18 MHz ~ 660 MHz, 840 MHz ~1300 MHz band range for worldwide personal radio. Besides speech communication, the BK4819 on-chip FSK data modem supports F2D and F1W emission to be used in both FRS and DPMR band for text message and GPS information exchange. The BK4819 is a complete, small form factor solution optimized for low-power, low-cost, and highly integrated mobile and portable consumer electronic devices, requiring only a few external decoupling capacitors and an external inductor for input matching. QFN 20 Pin Assignments (Top View) Functional Block Diagram duplex 双向(通讯)的 Time Division Duplex 时分双工 选择呼叫 |
Description similaire - BK4819 |
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