公开(公告)号：US20080174376A1

公开(公告)日：2008-07-24

申请号：US11835513

申请日：2007-08-08

申请人： So Bong SHIN ,  Tae Hun KIM

发明人： So Bong SHIN ,  Tae Hun KIM

IPC分类号： H03B7/06

CPC分类号： H03B5/1228 ,  H03B5/1215 ,  H03B5/124 ,  H03B2201/0208

摘要： A voltage-controlled oscillator includes an LC bank, a negative resistor circuit, a DC block, an AC block including a source resistor, and a first bias circuit controlled by a junction node of a first and second transistor, wherein the first bias circuit provides a first feedback voltage to a first control node, and maintains a voltage at the junction node of the first and second transistors, and a second bias circuit controlled by the junction node, wherein the second bias circuit provides a second feedback voltage to a second control node and maintains a voltage at the junction node.

摘要翻译： 电压控制振荡器包括LC组，负电阻电路，DC块，包括源电阻的AC块和由第一和第二晶体管的结节控制的第一偏置电路，其中第一偏置电路提供 向第一控制节点提供第一反馈电压，并且维持第一和第二晶体管的结节点处的电压以及由该结节点控制的第二偏置电路，其中第二偏置电路向第二控制器提供第二反馈电压 节点并在连接节点处维持电压。

公开(公告)号：US07199675B2

公开(公告)日：2007-04-03

申请号：US10915850

申请日：2004-08-11

申请人： Sang Gug Lee ,  So Bong Shin ,  Hyoung Chul Choi

发明人： Sang Gug Lee ,  So Bong Shin ,  Hyoung Chul Choi

IPC分类号： H03B5/12

CPC分类号： H03K3/354 ,  H03B5/1215 ,  H03B5/1228 ,  H03B5/1243 ,  H03B27/00 ,  H03K3/0322

摘要： A quadrature VCO comprises: a first delay cell including a first differential VCO coupled between a power supply and a first current source; and first and second coupling transistors that each include a first terminal, a second terminal coupled to the power supply, and a third terminal, and that vary a current flowing from the second terminal to the third terminal according to quadrature-phase signals applied to the first terminal; and a second delay cell including a second differential VCO coupled between a power supply and a second current source; and third and fourth coupling transistors that each include a first terminal, a second terminal coupled to the power, and a third terminal, and that vary a current flowing from the second terminal to the third terminal according to in-phase signals applied to the first terminal.

摘要翻译： 正交VCO包括：第一延迟单元，包括耦合在电源和第一电流源之间的第一差分VCO; 以及第一和第二耦合晶体管，其每个包括第一端子，耦合到电源的第二端子和第三端子，并且根据施加到第一端子的正交相位信号改变从第二端子流向第三端子的电流 第一码头 以及第二延迟单元，包括耦合在电源和第二电流源之间的第二差分VCO; 以及第三和第四耦合晶体管，其每个包括第一端子，耦合到电力的第二端子和第三端子，并且根据施加到第一端子的同相信号改变从第二端子流向第三端子的电流 终奌站。

公开(公告)号：US07304548B2

公开(公告)日：2007-12-04

申请号：US11142434

申请日：2005-06-01

申请人： Sang Gug Lee ,  So Bong Shin ,  Seok Ju Yun

发明人： Sang Gug Lee ,  So Bong Shin ,  Seok Ju Yun

IPC分类号： H03B5/12

CPC分类号： H03B5/1228 ,  H03B5/1212 ,  H03B5/1243 ,  H03D7/165

摘要： A differential voltage controlled oscillator comprises first and second transistors having opposite magnitudes and directions of currents flowing to a third electrode from a second electrode corresponding to a voltage between first and second electrodes; and a resonance circuit coupled to the second electrodes of the first and second transistors and controlling a frequency of an oscillation signal corresponding to a control voltage. The second electrode of the first transistor is coupled to the first electrode of the second transistor to form a first output terminal, the first electrode of the first transistor is coupled to the second electrode of the second transistor to form a second output terminal, and the third electrodes of the first and second transistors are coupled to first and second powers.

摘要翻译： 差分压控振荡器包括第一和第二晶体管，其具有与第一和第二电极之间的电压相对应的从第二电极流向第三电极的电流的相反大小和方向; 以及耦合到第一和第二晶体管的第二电极的谐振电路，并且控制与控制电压对应的振荡信号的频率。 第一晶体管的第二电极耦合到第二晶体管的第一电极以形成第一输出端，​​第一晶体管的第一电极耦合到第二晶体管的第二电极，以形成第二输出端，并且 第一和第二晶体管的第三电极耦合到第一和第二功率。

公开(公告)号：US07535308B2

公开(公告)日：2009-05-19

申请号：US11835513

申请日：2007-08-08

申请人： So Bong Shin ,  Tae Hun Kim

发明人： So Bong Shin ,  Tae Hun Kim

IPC分类号： H03B5/08

CPC分类号： H03B5/1228 ,  H03B5/1215 ,  H03B5/124 ,  H03B2201/0208

摘要： A voltage-controlled oscillator includes an LC bank, a negative resistor circuit, a DC block, an AC block including a source resistor, and a first bias circuit controlled by a junction node of a first and second transistor, wherein the first bias circuit provides a first feedback voltage to a first control node, and maintains a voltage at the junction node of the first and second transistors, and a second bias circuit controlled by the junction node, wherein the second bias circuit provides a second feedback voltage to a second control node and maintains a voltage at the junction node.

摘要翻译： 电压控制振荡器包括LC组，负电阻电路，DC块，包括源电阻的AC块和由第一和第二晶体管的结节控制的第一偏置电路，其中第一偏置电路提供 向第一控制节点提供第一反馈电压，并且维持第一和第二晶体管的结节点处的电压以及由该结节点控制的第二偏置电路，其中第二偏置电路向第二控制器提供第二反馈电压 节点并在连接节点处维持电压。