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该论文提出一款功耗仅6.3mW的蓝牙低功耗(BLE)收发器,通过重用片上匹配网络同时实现接收端的镜像抑制滤波和发射端的谐波抑制滤波,从而减少面积和功耗,适用于物联网可穿戴设备。
Kenichi Shibata2, Kenji Toyota2, Tatsuhito Saitou3, Hisayasu Sato1, Koichi Yahagi2, Yoshihiro Hayashi4 Renesas Electronics, Itami, Japan, 2Renesas Electronics, Kawasaki, Japan, Renesas System Design, Kawasaki, Japan, 4 Renesas Electronics, Sagamihara, Japan 1 3 We are approaching an age of IoT, in which sensors and controllers in all types of devices, including smart phones and PCs, are connected together. The strongest candidate for a wireless interface is the Bluetooth Low Energy® (BLE) standard because it is already widely used in smart phones. Many markets, especially for wearable devices like smart watches, demand BLE devices with a small module area and low current consumption. In previous research, solutions to the requirements for BLE have been widely discussed such as using the sliding IF (SIF) architecture in the RX [1,2] and a Class-D amplifier [2] with HD2 calibration [4] in the TX to achieve lower current consumption. The SIF
Tomohiro Sano1, Masakazu Mizokami1, Hiroaki Matsui2, Keisuke Ueda1,