IEEE Trans Biomed Circuits Syst. 2010 Apr;4(2):118-24. doi: 10.1109/TBCAS.2009.2037490.
A novel tunable all-digital, ultrawideband pulse generator (PG) has been implemented in a standard 0.18-¿ m complementary metal-oxide semiconductor (CMOS) process for implantable medical applications. The chip shows that an ultra-low dynamic energy consumption of 27 pJ per pulse without static current flow at a 200-MHz pulse repetition frequency (PRF) with a 1.8-V power supply and low area of 90 × 50 ¿m(2). The PG generates tunable pulsewidth, amplitude, and transmit (Tx) power by using simple circuitry, through precise timing control of the H-bridge output stage. The all-digital architecture allows easy integration into a standard CMOS process, thus making it the most suitable candidate for in-vivo biotelemetry applications.
一种新型的可调谐全数字、超宽带脉冲发生器 (PG) 已经在用于植入式医疗应用的标准 0.18-¿m 互补金属氧化物半导体 (CMOS) 工艺中实现。该芯片显示出超低的动态能耗，在 200MHz 脉冲重复频率 (PRF) 下无静态电流流动时，每脉冲为 27pJ，电源为 1.8V，面积低至 90×50 ¿m(2)。PG 通过使用简单的电路，通过精确控制 H 桥输出级的定时，实现可调节的脉冲宽度、幅度和发射 (Tx) 功率。全数字架构允许轻松集成到标准 CMOS 工艺中，因此成为体内生物遥测应用的最佳候选者。
