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引用次数: 3
摘要
提出了一种用于超宽带发射机的低功耗二进制相移键控脉冲发生器。该电路基于LC-tank谐振器，采用0.13 um CMOS技术设计。仿真显示，在100mhz PRF下，−10dB带宽约为3ghz，功耗为2mw。符号“1”和“0”的峰值幅值电压都约等于1.2V电源电压，仅用一个脉冲就能辐射出足够的能量来满足FCC掩模。因此，能量消耗为20 pJ/脉冲/位。脉冲持续时间为1.5 ns，发射机可以达到660 Mbps的数据速率。
A complementary LC-tank based IR-UWB pulse generator for BPSK modulation
This paper presents a low-power binary phase shift keying (BPSK) pulse generator for ultra-wide-band transmitters. The circuit has been designed based on LC-tank resonators using 0.13 um CMOS technology. Simulation shows −10dB bandwidth of around 3 GHz and power consumption of 2 mW at 100 MHz PRF. Peak-peak amplitude voltage for both symbols ‘1’ and ‘0’ are approximately as large as 1.2V supply voltage and can radiate enough energy to satisfy the FCC mask only by one pulse. Thus, the energy consumption is 20 pJ/pulse/bit. Pulse duration is 1.5 ns and the transmitter can reach data rates of 660 Mbps.
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