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引用次数: 14
摘要
本文介绍了一种全集成 CMOS UWB 发射器。该发射器由一个带状缺口 UWB 天线和一个发射器集成电路组成，其中集成了脉冲发生器、门控信号发生器和驱动放大器。驱动放大器采用两级放大器--一个 E 类放大器和一个带开关控制的 A 类放大器，从而大大降低了功耗。产生的脉冲采用 0.18 微米 CMOS 工艺制造，然后通过驱动放大器 (DA)，该放大器不仅驱动天线，还能在 FCC 频谱掩模中形成产生的数字脉冲。
A Fully Integrated CMOS Transmitter for Ultra-wideband Applications
In this paper, a fully integrated CMOS UWB transmitter is presented. The transmitter consists of a band-notched UWB antenna and a transmitter IC which integrates a pulse generator, a gating signal generator and driver amplifiers. The drive amplifier employs a 2-stage amplifier-a class-E amplifier and a class-A amplifier with switch control, to significantly reduce power consumption. Fabricated using a 0.18-mum CMOS process, the generated pulse is then passed through the driver amplifier (DA) which not only drives the antenna but also shapes the generated digital pulse in the FCC spectral mask.
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