ID 原文 译文
43476 该方法有力地保证了大信号测试中数据的一致性,可广泛应用于器件建模和电路设计等领域。 The proposed method effectivelyguarantees the consistency of data in large signal measurement, hence can be widely applied in devicemodelling and circuit design.
43477 InP 双异质结双极晶体管 ( DHBT) 由于优异的频率和相位噪声特性被广泛应用于高品质压控振荡器 ( VCO) 芯片的研制。 InP double heterojunction bipolar transistors (DHBTs) are widely used in the development of high performance voltage controlled oscillator (VCO) chips due to their excellent frequency andphase noise characteristics.
43478 研究了影响 InP DHBT 相位噪声特性的因素, The factors affecting the phase noise characteristics of InP DHBTs were studied.
43479 并从器件结构和 SiN 钝化层两方面对器件进行了优化设计。 The device was optimized from two aspects of device structure and SiN passivation layer.
43480 详细介绍了附加相位噪声的测试原理和方法, The principle and method of the additive phase noise measurement were introduced in detail.
43481 并提出了一种改进的 “正交鉴相”在片测量系统, And an improved onchip measurement system in quadrature phase detection technique was presented.
43482 测得所制作的 InP DHBT 的附加相位噪声在100 kHz偏移频率时达到-144 dBc /Hz。 The test result showsthat the additive phase noise of the proposed InP DHBT is -144 dBc /Hz at 100 kHz offset frequency.
43483 基于此 InP DHBT 工艺设计并实现了一款 47 GHz 差分VCO 单片微波集成电路 ( MMIC) A47 GHz differential VCO monolithic microwave integrated circuit (MMIC) was designed and fabricatedbased on the proposed InP DHBT process.
43484 测试结果显示 1. 2 GHz 调谐带宽内该 VCO 的典型单端输出功率为-3. 8 dBm,单电源-5 V 工作时的电流为 23 mA, Measurement results show that the presented VCO obtains atypical single-side output power of -3.8 dBm in 1.2 GHz tuning bandwidth, and the current is 23 mAat -5 V single supply power.
43485 100 kHz 偏移频率时的相位噪声达到-87 dBc /Hz,验证了文中所研制的 InP DHBT 优异的相位噪声特性。 The phase noise of -87 dBc /Hz is achieved at 100 kHz offset frequency, which confirms the perfect InP DHBT phase noise performance.