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首页> 外文期刊>IEEE Journal of Solid-State Circuits >0.18-/spl mu/m CMOS Bluetooth analog receiver with -88-dBm sensitivity
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0.18-/spl mu/m CMOS Bluetooth analog receiver with -88-dBm sensitivity

机译:0.18- / splμ/ m CMOS蓝牙模拟接收器,灵敏度为-88-dBm

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摘要

A CMOS Bluetooth analog low-IF receiver that includes a low-noise amplifier, image-rejection mixer, IF bandpass active filter, and programmable gain amplifier (PGA) was fabricated in a 0.18-/spl mu/m bulk CMOS process. In order to achieve good sensitivity and tolerance against blocking signals, operational amplifiers were used in the active filter and PGA, the filter and PGA were interleaved to minimize noise, and an on-chip automatic tuner adjusts the filter frequency. Other features included a feedforward automatic gain control with rapid convergence. When connected to the digital demodulator of a BiCMOS Bluetooth transceiver, -88-dBm sensitivity was measured at 65-mW power dissipation. All blocking signal specifications were also satisfied.
机译:CMOS蓝牙模拟低IF接收器以0.18- / splμm/ m的批量CMOS工艺制造,包括低噪声放大器,图像抑制混频器,IF带通有源滤波器和可编程增益放大器(PGA)。为了获得良好的灵敏度和对阻塞信号的容忍度,有源滤波器和PGA中使用了运算放大器,对滤波器和PGA进行了交错处理,以将噪声降至最低,并且片上自动调谐器调整了滤波器频率。其他功能还包括快速收敛的前馈自动增益控制。当连接到BiCMOS蓝牙收发器的数字解调器时,在65mW功耗下测得的灵敏度为-88dBm。还满足所有阻塞信号规范。

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