在22nm FD-SOI CMOS中使用低相噪声8GHz线性波段亚毫米波相锁循环
Mamady Kebe1, Mihai Sanduleanu2
1School of Electrical Engineering and Computer Science (EECS), University of Ottawa, Ottawa, ON K1N 6N5, Canada.
Micromachines
|May 27, 2023
概括
本研究介绍了一种低相噪声,宽带相锁循环 (PLL) 对于亚毫米波应用. 这种新的设计实现了创纪录的低相位噪声,增强了高数据速率通信系统.
科学领域:
- 电气工程 电气工程
- 微波工程 微波工程
- 集成电路 集成电路
背景情况:
- 阶段锁循环 (PLL) 对于高数据速率通信和成像是必不可少的.
- 亚毫米波 (sub-mm-wave) PLL由于寄生式容量而面临噪声和带宽的挑战.
- 现有的毫米波以下PLL通常会在性能上妥协.
研究的目的:
- 为了实现低相噪声和宽带整数-N,类型-II PLL.
- 为了解决当前的毫米波以下PLL的性能限制.
- 为了在小毫米波频率范围内实现更高的相位噪声和带宽.
主要方法:
- 使用22nm FD-SOI CMOS技术设计和制造一种II型整数-N PLL.
- 集成一个宽带线性微分调节I/Q电压控制振荡器 (VCO).
- 阶段噪声,频率调范围,输出功率和功耗的表征.
主要成果:
- 在157.5-167.5 GHz频谱中实现了8 GHz的宽带线性调整范围.
- 从VCO中证明了-113dBc/Hz @ 100KHz的相位噪声.
- 制造的PLL表现出相位噪声低于-103dBc/Hz @ 1KHz和-128dBc/Hz @ 100KHz,为毫米波以下PLL设置了一个新的基准.
- 测量的射频输出功率为2dBm,直流功耗为120.75mW.
- 紧型芯片的大小为1.25 × 0.9 mm2.2.
结论:
- 实施的PLL为米波以下频率提供了迄今为止最低的相位噪声.
- 该设计成功地克服了在毫米波以下PLL性能方面的传统限制.
- 这一进步对于下一代高数据速率通信和成像系统至关重要.
相关概念视频
Time and frequency -Domain Interpretation of Phase-lead Control
112
Phase-lead controllers are commonly used in various control systems to enhance response speed and stability. Adjusting the brightness on a television screen offers a practical example of phase-lead control. When contrast is enhanced, a phase-lead controller is employed. Mathematically, phase-lead control is identified when the first parameter is smaller than the second.
The design of phase-lead control involves the strategic placement of poles and zeros to balance steady-state error and system...
The design of phase-lead control involves the strategic placement of poles and zeros to balance steady-state error and system...
112
Phase-lead and Phase-lag Controllers
201
Understanding the working function of different types of controllers can be illustrated with practical analogies, such as adjusting a stereo's volume equalizer. Cranking up the bass involves a phase-lead controller, which functions as a high-pass filter, while increasing the treble uses a phase-lag controller, which acts as a low-pass filter. PD controllers, similar to high-pass filters, enhance the system's response to high-frequency components. PI controllers, akin to low-pass...
201
Small-Signal Analysis of MOSFET Amplifiers
623
In small-signal analysis, a MOSFET transistor amplifier acts as a linear amplifier when operating in its saturation region. The gate-to-source voltage (VGS) of the MOSFET is the sum of the DC biasing voltage and the small time-varying input signal. This combination sets up the operating point and modulates the drain current (ID) that flows from the drain to the source. When a small AC signal is superimposed on the DC bias voltage at the gate, the instantaneous drain current comprises three...
623
MOSFET Amplifiers
188
The MOSFET, when operating in its active region, functions as a voltage-controlled current source. In this region, the gate-to-source voltage controls the drain current. This principle underlies the operation of the transconductance MOSFET amplifier. The output current is directed through a load resistor to convert this amplifier into a voltage amplifier. The output voltage is then obtained by subtracting the voltage drop across the load resistance from the supply voltage. This process results...
188
MOSFET: Enhancement Mode
401
Enhancement-mode MOSFETs are pivotal components in electronics, distinguished by their capacity to act as highly efficient switches. They are part of the larger family of metal-oxide Semiconductor Field-Effect Transistors (MOSFETs). They are available in two types: p-channel and n-channel, each tailored to specific polarity operations.
In their basic form, enhancement-mode MOSFETs are typically non-conductive when the gate-source voltage (Vgs) is zero. This default 'off' state means no...
In their basic form, enhancement-mode MOSFETs are typically non-conductive when the gate-source voltage (Vgs) is zero. This default 'off' state means no...
401
Time and frequency -Domain Interpretation of Phase-lag Control
120
Phase-lag controllers are widely used in control systems to improve stability and reduce steady-state errors. A dimmer switch controlling the brightness of a light bulb serves as a practical example of phase-lag control, gradually adjusting the bulb's brightness. Mathematically, phase-lag control or low-pass filtering is represented when the factor 'a' is less than 1.
Phase-lag controllers do not place a pole at zero, but instead influence the steady-state error by amplifying any...
Phase-lag controllers do not place a pole at zero, but instead influence the steady-state error by amplifying any...
120


