公开(公告)号：US20080088383A1

公开(公告)日：2008-04-17

申请号：US11907740

申请日：2007-10-17

Applicant: Motoki Sakai

Inventor： Motoki Sakai

IPC: H03B5/36

CPC classification number: H03B5/04 ,  H03B5/366

Abstract: The output part of a power circuit with a temperature characteristic 31 is connected to the power voltage of a CMOS inverter-type oscillator circuit 4 including a crystal vibrator. The power circuit with a temperature characteristic 31 includes an amplifier 2, a diode 20 and a resistor 11. The output end V2 of the amplifier 2 is connected to the anode of the diode 20. The cathode of the diode 20 is connected to the negative input end V3 of the amplifier 2 and one end of the resistor 11, and the other end of the resistor 11 is grounded. To the positive input end V1 of the amplifier 2 is connected a voltage source 1 with small VCC variations.

Abstract translation: 具有温度特性31的电源电路的输出部分连接到包括晶体振子的CMOS反相型振荡器电路4的电源电压。 具有温度特性31的电源电路包括放大器2，二极管20和电阻器11。 放大器2的输出端V 2连接到二极管20的阳极。 二极管20的阴极连接到放大器2的负输入端V 3和电阻11的一端，电阻11的另一端接地。 放大器2的正输入端V 1与VCC变化小的电压源1连接。

公开(公告)号：US20070296512A1

公开(公告)日：2007-12-27

申请号：US11812413

申请日：2007-06-19

Applicant: Masayuki Yokoyama ,  Motoki Sakai

Inventor： Masayuki Yokoyama ,  Motoki Sakai

IPC: H03L7/00

CPC classification number: H03B5/366

Abstract: A voltage-controlled crystal oscillator having a voltage-variable capacitive element and a crystal vibrator, includes a control voltage generating circuit, a first charging circuit which charges an output-side capacitive component, a low pass filter having a first resistor and a first fixed capacitor, a timer circuit which outputs a control signal, a first switching element which is turned on in response to the control signal from the timer circuit so as to make both ends of the first resistor open-circuited, a second charging circuit to which a signal synchronized with the control signal is input, and a second fixed capacitor to which an output terminal of the second charging circuit is connected, and which connects a connection point between the first resistor and the first fixed capacitor. The low pass filter is arranged between the voltage-variable capacitive element and a connection point of the control voltage generating circuit and the first charging circuit.

Abstract translation: 具有电压可变电容元件和晶振的压控晶体振荡器包括控制电压发生电路，对输出侧电容元件充电的第一充电电路，具有第一电阻器和第一固定元件的低通滤波器 电容器，输出控制信号的定时器电路，响应于来自定时器电路的控制信号而导通的第一开关元件，以使第一电阻器的两端开路;第二充电电路，其中， 与控制信号同步的信号被输入，第二固定电容器连接第二充电电路的输出端子，并连接第一电阻器和第一固定电容器之间的连接点。 低通滤波器设置在电压可变电容元件与控制电压产生电路和第一充电电路的连接点之间。

公开(公告)号：US07579917B2

公开(公告)日：2009-08-25

申请号：US11727096

申请日：2007-03-23

Applicant: Motoki Sakai ,  Hisato Takeuchi ,  Keigo Shingu ,  Kei Nagatomo

Inventor： Motoki Sakai ,  Hisato Takeuchi ,  Keigo Shingu ,  Kei Nagatomo

IPC: H03B5/36 ,  H03L5/00

CPC classification number: H03K5/06 ,  H03K2005/00156

Abstract: The object of the present invention is to provide a crystal oscillator with one IC capable of effectively responding to specifications or a frequency of an installed set, an output terminal of the oscillator 1 is connected to an input terminal of the inverter 2, an output terminal of which is connected to the first resistor 7 and one terminal of the second resistor 8, the other terminal of the first resistor 7 is connected to one terminal of the first capacitor 9 and an input terminal of the first transistor 3, the other terminal of the first capacitor 9 is connected to one terminal of the first switch 11, and the other terminal of the first switch 11 is grounded, the other terminal of the second resistor 8 is connected to one terminal of the second capacitor 10 and an input terminal of the second transistor 4, the other terminal of the second capacitor 10 is connected to one terminal of the second switch 12, and the other terminal of the second switch 12 is grounded, an output terminal of the first transistor 3 and an output terminal of the second transistor 4 are connected to the oscillation output terminal 5, and the first switch 11 and the second switch 12 are controlled by the storage device 13.

Abstract translation: 本发明的目的是提供一种具有能够有效响应安装组件的规格或频率的一个IC的晶体振荡器，振荡器1的输出端子连接到逆变器2的输入端子，输出端子 其连接到第一电阻器7和第二电阻器8的一个端子，第一电阻器7的另一个端子连接到第一电容器9的一个端子和第一晶体管3的输入端子，另一个端子 第一电容器9连接到第一开关11的一个端子，第一开关11的另一个端子接地，第二电阻器8的另一个端子连接到第二电容器10的一个端子， 第二晶体管4，第二电容器10的另一个端子连接到第二开关12的一个端子，而第二开关12的另一个端子接地，输出端子 第一晶体管3的输出端子和第二晶体管4的输出端子连接到振荡输出端子5，并且第一开关11和第二开关12由存储装置13控制。

公开(公告)号：US20070236302A1

公开(公告)日：2007-10-11

申请号：US11727096

申请日：2007-03-23

Applicant: Motoki Sakai ,  Hisato Takeuchi ,  Keigo Shingu ,  Kei Nagatomo

Inventor： Motoki Sakai ,  Hisato Takeuchi ,  Keigo Shingu ,  Kei Nagatomo

IPC: H03B5/32

CPC classification number: H03K5/06 ,  H03K2005/00156

Abstract: The object of the present invention is to provide a crystal oscillator with one IC capable of effectively responding to specifications or a frequency of an installed set, an output terminal of the oscillator 1 is connected to an input terminal of the inverter 2, an output terminal of which is connected to the first resistor 7 and one terminal of the second resistor 8, the other terminal of the first resistor 7 is connected to one terminal of the first capacitor 9 and an input terminal of the first transistor 3, the other terminal of the first capacitor 9 is connected to one terminal of the first switch 11, and the other terminal of the first switch 11 is grounded, the other terminal of the second resistor 8 is connected to one terminal of the second capacitor 10 and an input terminal of the second transistor 4, the other terminal of the second capacitor 10 is connected to one terminal of the second switch 12, and the other terminal of the second switch 12 is grounded, an output terminal of the first transistor 3 and an output terminal of the second transistor 4 are connected to the oscillation output terminal 5, and the first switch 11 and the second switch 12 are controlled by the storage device 13.

Abstract translation: 本发明的目的是提供一种具有能够有效响应安装组件的规格或频率的一个IC的晶体振荡器，振荡器1的输出端子连接到逆变器2的输入端子，输出端子 其连接到第一电阻器7和第二电阻器8的一个端子，第一电阻器7的另一个端子连接到第一电容器9的一个端子和第一晶体管3的输入端子，另一个端子 第一电容器9连接到第一开关11的一个端子，第一开关11的另一个端子接地，第二电阻器8的另一个端子连接到第二电容器10的一个端子， 第二晶体管4，第二电容器10的另一个端子连接到第二开关12的一个端子，而第二开关12的另一个端子接地，输出端子 第一晶体管3的输出端子和第二晶体管4的输出端子连接到振荡输出端子5，并且第一开关11和第二开关12由存储装置13控制。