중국 Transceiver 업체 동향

 Single chip solution with only a few external components  Stand-alone fixed-frequency user mode  Programmable multi-channel user mode  Low current consumption in active mode and very low standby current  PLL-stabilized RF VCO (LO) with internal varactor diode  Lock detect output in programmable user mode  On-chip AFC for extended input frequency acceptance range  3wire bus serial control interface  FSK/ASK mode selection  FSK for digital data or FM for analog signal reception  RSSI output for signal strength indication and ASK reception  Peak detector for ASK detection  Switchable LNA gain for improved dynamic range  Automatic PA turn-on after PLL lock  ASK modulation achieved by PA on/off keying  32-pin Low profile Quad Flat Package (LQFP)