Bohao's Blog

Le vent se lève, il faut tenter de vivre.

Loop Design of PLLs

锁相环的环路设计

Loop Design of PLLs Reference: [Analysis and Design of Phase-Locked Loops] — Prof. Shen-Iuan Liu [https://en.wikipedia.org/wiki/Q_factor] [https://blog.csdn.net/luohuo...

Sample & Hold (S&H) Circuits

采样保持电路

Sample & Hold (S&H) Circuits Introduction Sample & Hold (S&H) circuits are a kind of circuit which is widely used in analogue and mixed-signal circuits and they are also referred...

The Speed of the Op-amp

Op-amp的速度

The Speed of the Op-amp In Mixed-signal design, or to be concrete, in switched-capacitor circuit design, a scene is often encountered: the op-amp needs to charge a certain capacitor. In this scena...

Learn Band-gap Reference from scratch

带隙基准学习笔记

Learn Band-gap Reference from scratch Band-gap reference (BGR) is a voltage reference that is independent of temperature and power supply, or it can be seen as an “ideal” voltage source in terms o...

Cadence Virtuoso Simulation Tips (Updating)

Cadence Virtuoso仿真提示(更新中)

Cadence Virtuoso Simulation Tips (Updating) 1. Some parameter settings in Transient simulation Reference: https://web.engr.oregonstate.edu/~moon/kaj/cadence.html#top Accuracy There are some p...

Understand the Noise-Shaping

深入理解噪声整形

Understand the Noise-Shaping From the beginning… The Noise-Shaping(NS) term is quite important for the Mixed-signal designer and this blog is also the note when I learnt and designed an Oversampl...

How to understand Miller Theorem

深入理解密勒定理

How to understand MILLER’S Theorem Miller’s theorem To begin with, a brief introduction to Miller’s theorem is necessary. In short, according to the diagram above, in order to make the curre...

Spice Model Parameters

Spice Model解读

Spice Model Parameters Spice Name Symbol Model Parameter Units Default Level   Model Type   1 ...

(Pending)RF Circuit Design

Basic Theory

射频电路设计(RF Circuit Design) I. 传输线理论(Transmission Line Analysis) 啥是传输线? 传输线是电子工程中的专用电缆或者其他结构,用于传输无线电频率的交变电流 ( 就电线么 ) 给几个例子: **双线传输线  Two-Wire Lines**(就两根线): **同轴传输线  C...

快速配置zsh

zsh的快速配置

比较水的 Personal Notes 查看你的系统有几种shell 1 cat /etc/shells 显示 1 2 3 4 5 6 /bin/bash /bin/csh /bin/ksh /bin/sh /bin/tcsh /bin/zsh 安装 oh my zsh 1 2 git clone git://github.com/robbyrussell/oh-my...