公开(公告)号：US20090066431A1

公开(公告)日：2009-03-12

申请号：US12208019

申请日：2008-09-10

申请人： Hyunchol SHIN ,  Jongsik Kim ,  Yunseong Eo ,  Soowoong LEE

发明人： Hyunchol SHIN ,  Jongsik Kim ,  Yunseong Eo ,  Soowoong LEE

IPC分类号： H03B5/12

CPC分类号： H03B5/1852 ,  H03L7/099 ,  H03L7/10

摘要： A wide-band voltage controlled oscillator includes a cross-connected transistors for providing a stable oscillating signal, an inductor unit for providing an inductance for determining a resonance frequency, a varactor bank including a plurality of switchable variable-capacitance elements parallely connected to the inductor unit and having a varactor capacitance varying with the first switching signal and a tuning voltage, a subsection capacitor bank including a plurality of switchable capacitor elements parallely connected to the inductor unit and having predetermined capacitances for grouping frequency sections, and a binary-weighted capacitor bank including a plurality of binary-weighted capacitor arrays parallely connected to the inductor unit and a bank selector for selecting one of the binary-weighted capacitor arrays, wherein each binary-weighted capacitor arrays includes a plurality of parallely connected switchable capacitor elements selectively switched on by a third switching signal to determine a variable weighted capacitance of the tunable binary-weighted capacitor bank.

摘要翻译： 宽带压控振荡器包括用于提供稳定振荡信号的交叉连接晶体管，用于提供用于确定谐振频率的电感的电感器单元，包括并联连接到电感器的多个可切换可变电容元件的变容管组 并且具有随着第一开关信号和调谐电压而变化的变容二极管电容，分段电容器组包括并联连接到电感器单元并且具有用于对频率部分进行分组的预定电容的多个可切换电容器元件，以及二进制加权电容器组 包括并联连接到电感器单元的多个二进制加权电容器阵列和用于选择二进制加权电容器阵列中的一个的组选择器，其中每个二进制加权电容器阵列包括多个并联连接的可切换电容器元件，其选择性地由 第三个开关 g信号以确定可调二进制加权电容器组的可变加权电容。

公开(公告)号：US07800458B2

公开(公告)日：2010-09-21

申请号：US12208019

申请日：2008-09-10

申请人： Hyunchol Shin ,  Jongsik Kim ,  Yunseong Eo ,  Soowoong Lee

发明人： Hyunchol Shin ,  Jongsik Kim ,  Yunseong Eo ,  Soowoong Lee

IPC分类号： H03B1/00

CPC分类号： H03B5/1852 ,  H03L7/099 ,  H03L7/10

摘要： A wide-band voltage controlled oscillator includes a cross-connected transistors for providing a stable oscillating signal, an inductor unit for providing an inductance for determining a resonance frequency, a varactor bank including a plurality of switchable variable-capacitance elements parallely connected to the inductor unit and having a varactor capacitance varying with the first switching signal and a tuning voltage, a subsection capacitor bank including a plurality of switchable capacitor elements parallely connected to the inductor unit and having predetermined capacitances for grouping frequency sections, and a binary-weighted capacitor bank including a plurality of binary-weighted capacitor arrays parallely connected to the inductor unit and a bank selector for selecting one of the binary-weighted capacitor arrays, wherein each binary-weighted capacitor arrays includes a plurality of parallely connected switchable capacitor elements selectively switched on by a third switching signal to determine a variable weighted capacitance of the tunable binary-weighted capacitor bank.

摘要翻译： 宽带压控振荡器包括用于提供稳定振荡信号的交叉连接晶体管，用于提供用于确定谐振频率的电感的电感器单元，包括并联连接到电感器的多个可切换可变电容元件的变容管组 并且具有随着第一开关信号和调谐电压而变化的变容二极管电容，分段电容器组包括并联连接到电感器单元并且具有用于对频率部分进行分组的预定电容的多个可切换电容器元件，以及二进制加权电容器组 包括并联连接到电感器单元的多个二进制加权电容器阵列和用于选择二进制加权电容器阵列中的一个的组选择器，其中每个二进制加权电容器阵列包括多个并联连接的可切换电容器元件，其选择性地由 第三个开关 g信号以确定可调二进制加权电容器组的可变加权电容。