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Micrel 超强 RF方案
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类别: 消费电子
时间:2020-04-07
大小:261.81KB
阅读数:20
上传用户:微风DS
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资料介绍
micrf505MICRF505 Micrel MICRF505 868MHz and 915MHz ISM Band Transceiver General Description The MICRF505 is a true single chip, frequency shift keying (FSK) transceiver intended for use in half-duplex, bidirectional RF links. The multi-channeled FSK transceiver is intended for UHF radio equipment in compliance with the North American Federal Communications Commission (FCC) part 15.247 and 249, as well as the European Telecommunication Standard Institute (ETSI) specification, EN300 220. The transmitter consists of a PLL frequency synthesizer and a power amplifier. The frequency synthesizer consists of a voltage-controlled oscillator (VCO), a crystal oscillator, dual modulus prescaler, programmable frequency dividers, and a phase-detector. The loop-filter is external for flexibility and can be a ……
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