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RF96 データシート(PDF) 21 Page - HOPE Microelectronics CO., Ltd. |
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RF96 データシート(HTML) 21 Page - HOPE Microelectronics CO., Ltd. |
21 / 121 page Page 21 RF96/97/98 Tel: +86-755-82973805 Fax: +86-755-82973550 E-mail: sales@hoperf.com http://www.hoperf.com WIRELESS & SENSING PRELIMINARY DATASHEET All major parameters of the RF front end and digital state machine are fully configurable via an SPI interface which gives access to RF96/97/98 ‟s configuration registers. This includes a mode auto sequencer that oversees the transition and calibration of the RF96/97/98 between intermediate modes of operation in the fastest time possible. The RF96/97/98 are equipped with both standard FSK and long range spread spectrum (LoRaTM) modems. Depending upon the mode selected either conventional OOK or FSK modulation may be employed or the LoRaTM spread spectrum modem. 3.1. LoRa TM Modem The LoRaTM modem uses a proprietary spread spectrum modulation technique. This modulation, in contrast to legacy modulation techniques, permits an increase in link budget and increased immunity to in-band interference. At the same time the frequency tolerance requirement of the crystal reference oscillator is relaxed - allowing a performance increase for a reduction in system cost. For a fuller description of the design trade-offs and operation of the RF96/97/98 please consult Section 4.1 of the datasheet. 3.2. FSK/OOK Modem In FSK/OOK mode the RF96/97/98 supports standard modulation techniques including OOK, FSK, GFSK, MSK and GMSK. The RF96/97/98 is especially suited to narrow band communication thanks the low-IF architecture employed and the built-in AFC functionality. For full information on the FSK/OOK modem please consult Section 4.2 of this document. |
同様の部品番号 - RF96 |
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同様の説明 - RF96 |
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