摘要
研制成的在常温下工作的谐振隧穿二极管 (RTD) ,峰谷比达到了 5∶ 1,最高振荡频率为 2 6 .3GHz.采用基于物理意义的电流 -电压方程 ,利用通用电路模拟软件 PSPICE,建立了其直流电路模型 ,模拟结果和实验数据吻合得很好 ;并以此为基础模拟出了以 RTD为驱动器 ,以电阻或 RTD本身为负载的电路双稳态特性 ,同时分析了 RTD器件双稳态特性 .
A Resonant Tunneling Diode working at roon temperature is briefly described,which has PVCR of 5∶1,and cutoff frequency of 26 6GHz.Using the physics-based RTD current-voltage equation,a DC circuit model of the Resonant Tunneling Diode with PSPICE software is established.The simulation results agree with the experimental data very well.A circuit,in which the RTD works as a driver and the resistor or the RTD works as load,is also simulated.The bistable characteristics are obtained and analyzed in details.
关键词
谐振隧穿二极管
直流电路模型
双稳态特性
resonant tunneling diode
DC circuit model
bistable characteristic
