ID |
原文 |
译文 |
44036 |
在选取的金刚石、SiC、Al2O3和 SiO2 等 4 种磨料中,使用金刚石磨料的 InP 去除速率最高,使用 SiC 磨料的 InP 抛光后的表面质量最好。 |
The diamond abrasive can obtain a highest removalrate of InP, but silicon carbide (SiC) abrasive can gain the best polishing surface quality among the fourtypes of abrasive (diamond, SiC, Al2O3 and SiO2) . |
44037 |
随着 SiC 质量分数的增加,InP 去除速率逐渐增加,但表面粗糙度先减小后增大。 |
With the increase of the SiC abrasive mass fraction, the removal rate of InP increases gradually, but the surface roughness firstly decreases and then increases. |
44038 |
当使用质量分数 4%、粒径 3 μm 的 SiC 磨料对 InP 晶片进行抛光时,InP 去除速率达到 2. 38 μm /h,表面粗糙度从原始的 33 nm 降低到 0. 84 nm。 |
The removal rate of InP is 2.38 μm/h, and the surface roughness can be reduced from 33 nm to 0.84 nmwhen InP wafer was polished with the SiC abrasive with a mass fraction of 4% and a particle size of 3 μm. |
44039 |
基于结型场效应晶体管 ( JFET) 和双极型晶体管 ( BJT) 兼容工艺,设计了一种低失调高压大电流集成运算放大器。 |
A high voltage and high current operational power amplifier (HV-HC-OPA) with lowoffset voltage and current was proposed and verified based on junction field-effect-transistor (JFET) andbipolar junction transistor (BJT) compatible process. |
44040 |
电路输入级采用 p 沟道 JFET ( p-JFET) 差分对共源共栅结构; |
The input stage of the HV-HC-OPA is implementedby a p-JFET differential pair cascode structure. |
44041 |
中间级以 BJT 作为放大管,采用复合有源负载结构; |
The middle stage uses BJTs as amplifiers and a compoundactive load structure is adopted. |
44042 |
输出级采用复合 npn 达林顿管阵列,与常规推挽输出结构相比,在输出相同电流的情况下,节省了大量芯片面积。 |
The output stage is composed of compound npn Darlington structurewhich can save a lot of chip area under the same output current compared to the traditional push-pullstage. |
44043 |
基于 Cadence Spectre 软件对该运算放大器电路进行了仿真分析和优化设计,在±35 V 电源供电下,最小负载电阻为 6 Ω 时的电压增益为 95 dB,输入失调电压为 0. 224 5 mV,输入偏置电流为 31. 34 pA,输入失调电流为3.3 pA,单位增益带宽为 9. 6 MHz, |
The circuit was simulated and optimized based on Cadence Spectre simulator.Simulation resultsshow that 95 dB voltage gain on 6 Ω load, 0.224 5 mV input offset voltage, 31.34 pA input bias current, 3.3 pA input offset current and 9.6 MHz unity gain-bandwidth under ± 35 V double supplyvoltages. |
44044 |
具有输出 9 A 峰值大电流能力。 |
The maximum output peak current can reach 9 A. |
44045 |
设计了一种应用于 GaN 功率放大器栅极调制的随温度可调负压偏置电路。 |
A negative voltage bias circuit adjustable with the temperature was designed for the gatemodulation of GaN power amplifiers. |