下面每一行代表一个电子元器件只需要给出它们的类别不要定义只用短语回答即可在代码段中给出：JFM25F128A-E8SN74AVC4T245PWRJFM25F128A-E8JFW7K325T8-NJFM25F128A-E8CXI3232SNHCE1764A 18VGMD950CLYM46231VLYM46441YSYC544CSXND9037MEBXND2157MLOUS5S105GMD950SF9

JFM25F128A-E8: Flash memory SN74AVC4T245PWR: Logic level shifter JFW7K325T8-N: RF switch CXI3232SN: USB to UART bridge HCE1764A (1.8V): Voltage regulator GMD950C: Voltage controlled oscillator LYM46231V: Power amplifier LYM46441Y: Low noise amplifier SYC544CS: Digital-to-analog converter XND9037MEB: Microcontroller XND2157MLO: Operational amplifier US5S105: Switching diode GMD950: Voltage controlled oscillator SF9155: RF filter JEM88E1111HV: Ethernet transceiver SGM2054: Voltage reference XND43711MQI: Power management I