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21.
公开(公告)号:US07227343B2
公开(公告)日:2007-06-05
申请号:US11308692
申请日:2006-04-22
Applicant: Wu Jiang , Yong-Zhao Huang , Yong-Xing You
Inventor: Wu Jiang , Yong-Zhao Huang , Yong-Xing You
CPC classification number: G05F1/575
Abstract: A linear voltage regulator provides a selectable output voltage to a load. The linear voltage regulator includes: a regulating circuit including an input terminal for receiving an input voltage, an output terminal for providing an output voltage to a load, and an adjusting terminal; a first resistor and a second resistor connected between the output terminal and ground for receiving the output voltage; and a voltage sampling control circuit electrically connected to a node between the first resistor and the second resistor for receiving logic signals from a controlling chip, and generating a reference current to the adjusting terminal of the regulating circuit to provide the selectable output voltage.
Abstract translation: 线性稳压器为负载提供可选择的输出电压。 线性稳压器包括:调节电路,包括用于接收输入电压的输入端子,用于向负载提供输出电压的输出端子和调整端子; 连接在输出端子和地之间的第一电阻器和第二电阻器,用于接收输出电压; 以及电连接到第一电阻器和第二电阻器之间的节点的电压采样控制电路,用于从控制芯片接收逻辑信号,并向调节电路的调整端产生参考电流以提供可选择的输出电压。
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22.
公开(公告)号:US20070029983A1
公开(公告)日:2007-02-08
申请号:US11308692
申请日:2006-04-22
Applicant: Wu Jiang , Yong-Zhao Huang , Yong-Xing You
Inventor: Wu Jiang , Yong-Zhao Huang , Yong-Xing You
IPC: G05F1/00
CPC classification number: G05F1/575
Abstract: A linear voltage regulator provides a selectable output voltage to a load. The linear voltage regulator includes: a regulating circuit including an input terminal for receiving an input voltage, an output terminal for providing an output voltage to a load, and an adjusting terminal; a first resistor and a second resistor connected between the output terminal and ground for receiving the output voltage; and a voltage sampling control circuit electrically connected to a node between the first resistor and the second resistor for receiving logic signals from a controlling chip, and generating a reference current to the adjusting terminal of the regulating circuit to provide the selectable output voltage.
Abstract translation: 线性稳压器为负载提供可选择的输出电压。 线性稳压器包括:调节电路,包括用于接收输入电压的输入端子,用于向负载提供输出电压的输出端子和调整端子; 连接在输出端子和地之间的第一电阻器和第二电阻器,用于接收输出电压; 以及电连接到第一电阻器和第二电阻器之间的节点的电压采样控制电路,用于从控制芯片接收逻辑信号,并向调节电路的调整端产生参考电流以提供可选择的输出电压。
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公开(公告)号:US20060280005A1
公开(公告)日:2006-12-14
申请号:US11440282
申请日:2006-05-24
Applicant: Wu Jiang , Yong-Zhao Huang
Inventor: Wu Jiang , Yong-Zhao Huang
IPC: G11C5/14
CPC classification number: G11C5/14
Abstract: A memory voltage generating circuit includes a first control module, a core circuit, and a second control module. The core circuit includes a regulation amplifier, a first MOSFET, a second MOSFET, and a switch. An output terminal and an inverting input terminal of the regulation amplifier are both connected to an output terminal of the core circuit. A non-inverting input terminal of the regulation amplifier is coupled to the second control module. The non-inverting input terminal of the regulation amplifier is also connected to a referenced voltage via one resistor and is grounded via another resistor. A source of the first MOSFET is coupled to the inverting input terminal of the regulation amplifier. A gate of the first MOSFET is connected to the output terminal of the regulation amplifier. Drains of the first MOSFET and the second MOSFET are coupled to an input voltage via the switch. A source of the second MOSFET is connected to another input voltage. A gate of the second MOSFET is connected to the first control module.
Abstract translation: 存储器电压产生电路包括第一控制模块,核心电路和第二控制模块。 核心电路包括调节放大器,第一MOSFET,第二MOSFET和开关。 调节放大器的输出端子和反相输入端子都连接到核心电路的输出端子。 调节放大器的非反相输入端耦合到第二控制模块。 调节放大器的非反相输入端子也通过一个电阻器连接到参考电压,并通过另一个电阻器接地。 第一个MOSFET的源极耦合到调节放大器的反相输入端。 第一个MOSFET的栅极连接到调节放大器的输出端。 第一个MOSFET和第二个MOSFET的漏极通过开关耦合到一个输入电压。 第二个MOSFET的源极连接到另一个输入电压。 第二MOSFET的栅极连接到第一控制模块。
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公开(公告)号:US20060232324A1
公开(公告)日:2006-10-19
申请号:US11306922
申请日:2006-01-17
Applicant: Yong-Zhao Huang , Wu Jiang , Yun Li , Yong-Xing You
Inventor: Yong-Zhao Huang , Wu Jiang , Yun Li , Yong-Xing You
IPC: G11C5/14
Abstract: A control circuit for command signals of a clock generator includes a power supply end, an output end, a control end, a diode, a first resistor and a second resistor. The first resistor, the diode, and the second resistor are connected in series between the power supply end and the ground. The diode has an anode connected to the first resistor and a cathode connected to the second resistor. The control end is connected to a node between the diode and the second resistor; the output end is connected to a node between the diode and the first resistor. The output end outputs the command signals to the clock generator.
Abstract translation: 用于时钟发生器的指令信号的控制电路包括电源端,输出端,控制端,二极管,第一电阻和第二电阻。 第一个电阻,二极管和第二个电阻串联在电源端和地之间。 二极管具有连接到第一电阻器的阳极和连接到第二电阻器的阴极。 控制端连接到二极管和第二电阻之间的节点; 输出端连接到二极管和第一个电阻之间的一个节点。 输出端将命令信号输出到时钟发生器。
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公开(公告)号:US20060227481A1
公开(公告)日:2006-10-12
申请号:US11388258
申请日:2006-03-24
Applicant: Yong-Zhao Huang , Yun Li , Yong-Xing You
Inventor: Yong-Zhao Huang , Yun Li , Yong-Xing You
IPC: H02H5/04
Abstract: A power supply for a bus interface is provided. The power supply comprises: an input terminal; an output terminal; a fuse providing over-current protection; a diode providing over-voltage protection, a reverse breakdown voltage of the diode not less than a maximal voltage difference of the output terminal and the input terminal, the diode connected to the fuse in series between an input terminal and an output terminal; and a plurality of capacitors filtering noise, one end of each of the capacitors connected to a node between the fuse and an anode of the diode, and another end of each of the capacitors is grounded. The power supply can provide effective over-voltage protection because a reverse breakdown voltage of the diode is not less than a maximal voltage difference of the output terminal and the input terminal. In addition, the power supply has a low cost of manufacture.
Abstract translation: 提供总线接口的电源。 电源包括:输入端子; 输出端子; 保险丝提供过流保护; 提供过电压保护的二极管,二极管的反向击穿电压不小于输出端子和输入端子的最大电压差,二极管连接到输入端子和输出端子之间的熔丝; 并且多个电容器滤除噪声,每个电容器的一端连接到熔丝和二极管的阳极之间的节点,并且每个电容器的另一端接地。 电源可以提供有效的过电压保护,因为二极管的反向击穿电压不小于输出端子和输入端子的最大电压差。 另外,电源的制造成本低。
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公开(公告)号:US20060197582A1
公开(公告)日:2006-09-07
申请号:US11365640
申请日:2006-02-28
Applicant: Yong-Zhao Huang , Yun Li
Inventor: Yong-Zhao Huang , Yun Li
IPC: G11C5/14
CPC classification number: G11C5/14
Abstract: A voltage providing circuit includes a protective circuit and a power supply circuit. The protective circuit includes a first transistor. A first control signal is input to a collector of the first transistor, a second control signal is input to a base of the first transistor, an emitter of the first transistor is grounded. The collector of the first transistor is connected to the power supply circuit. The second control signal and the first control signal jointly control the power supply circuit to be turned on or turned off. When the second control signal is at a low level, the first transistor is turned off and the power supply circuit is turned off. When the second control signal is at a high level, the first transistor is turned on and the power supply circuit is turned on. Thus, the providing circuit can prevent the electronic component from being damaged when a computer is restarted.
Abstract translation: 电压提供电路包括保护电路和电源电路。 保护电路包括第一晶体管。 第一控制信号被输入到第一晶体管的集电极,第二控制信号被输入到第一晶体管的基极,第一晶体管的发射极接地。 第一晶体管的集电极连接到电源电路。 第二控制信号和第一控制信号共同控制电源电路被接通或断开。 当第二控制信号为低电平时,第一晶体管截止,电源电路断开。 当第二控制信号为高电平时,第一晶体管导通,电源电路接通。 因此,当计算机重启时,提供电路可以防止电子部件损坏。
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公开(公告)号:US20060145731A1
公开(公告)日:2006-07-06
申请号:US11321194
申请日:2005-12-29
Applicant: Wu Jiang , Yong-Zhao Huang , Yun Li
Inventor: Wu Jiang , Yong-Zhao Huang , Yun Li
IPC: H03K5/01
CPC classification number: H03K17/22 , G01R19/16538
Abstract: A power good signal generating circuit includes an NPN transistor, a first resistor, a second resistor, a third resistor, a first power source, and a second power source. The first resistor is connected between a base of the transistor and the first power source. The second resistor is connected between a collector of the transistor and the second power source. The third resistor is connected between an emitter of the transistor and ground. The collector is connected to an output for sending a PG signal and the emitter is connected to an input for receiving a control signal P.
Abstract translation: 功率良好信号发生电路包括NPN晶体管,第一电阻器,第二电阻器,第三电阻器,第一电源和第二电源。 第一电阻器连接在晶体管的基极和第一电源之间。 第二电阻器连接在晶体管的集电极和第二电源之间。 第三电阻连接在晶体管的发射极和地之间。 集电极连接到用于发送PG信号的输出端,发射极连接到用于接收控制信号P的输入端。
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公开(公告)号:US08791745B2
公开(公告)日:2014-07-29
申请号:US13110933
申请日:2011-05-19
Applicant: Yong-Zhao Huang
Inventor: Yong-Zhao Huang
IPC: H03K17/687
CPC classification number: G05F1/563
Abstract: A linear voltage stabilizing circuit includes a main stabilizing unit, a first resistor, a second resistor, and a sub-stabilizing unit. The main stabilizing unit includes a first transistor connected between a signal input terminal and a signal output terminal, and a first comparator controlling the first transistor. The first and the second resistor are connected between the signal input terminal and ground. The voltage between the first resistor and the second resistor is equal to a first reference voltage. The sub-stabilizing unit includes a third resistor, a fourth resistor, a second transistor connected between the signal input terminal and the first transistor, and a second comparator. The third and fourth resistor are connected between the second comparator and ground. The node of the third and fourth resistor is connected to the node between the first and the second resistor. The second comparator controls the second transistor turn on or off.
Abstract translation: 线性稳压电路包括主稳定单元,第一电阻器,第二电阻器和次稳定单元。 主稳定单元包括连接在信号输入端和信号输出端之间的第一晶体管和控制第一晶体管的第一比较器。 第一和第二电阻连接在信号输入端和地之间。 第一电阻和第二电阻之间的电压等于第一参考电压。 子稳定单元包括第三电阻器,第四电阻器,连接在信号输入端子和第一晶体管之间的第二晶体管,以及第二比较器。 第三和第四电阻连接在第二比较器和地之间。 第三和第四电阻器的节点连接到第一和第二电阻器之间的节点。 第二比较器控制第二晶体管导通或截止。
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公开(公告)号:US08514089B2
公开(公告)日:2013-08-20
申请号:US13012825
申请日:2011-01-25
Applicant: Yong-Zhao Huang
Inventor: Yong-Zhao Huang
CPC classification number: G01K7/16
Abstract: A temperature monitoring circuit includes a negative temperature coefficient (NTC) resistor, a zener diode, an alarm, a silicon controlled rectifier. A first terminal of the NTC resistor is connected to a power supply through a first resistor. A second terminal of the NTC resistor is grounded. A cathode of the zener diode is connected to a node between the NTC resistor and the first resistor. An anode is grounded through a second resistor. A first terminal of the alarm is connected to the cathode of the zener diode, and is grounded through a third and fourth resistors in series. A cathode of the silicon controlled rectifier is connected to the anode of the zener diode. An anode of the silicon controlled rectifier is connected to a second terminal of the alarm. A control terminal of the silicon controlled rectifier is connected to a node between the third and fourth resistors.
Abstract translation: 温度监控电路包括负温度系数(NTC)电阻,齐纳二极管,报警器,可控硅整流器。 NTC电阻器的第一端子通过第一电阻器连接到电源。 NTC电阻的第二个端子接地。 齐纳二极管的阴极连接到NTC电阻和第一个电阻之间的节点。 阳极通过第二电阻器接地。 报警器的第一个端子连接到齐纳二极管的阴极,并通过串联的第三和第四电阻器接地。 可控硅整流器的阴极连接到齐纳二极管的阳极。 可控硅整流器的阳极连接到报警器的第二端。 可控硅整流器的控制端子连接到第三和第四电阻器之间的节点。
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公开(公告)号:US08436567B2
公开(公告)日:2013-05-07
申请号:US13171659
申请日:2011-06-29
Applicant: Yong-Zhao Huang
Inventor: Yong-Zhao Huang
IPC: G05D23/24
CPC classification number: F04D27/004
Abstract: A fan speed control circuit for controlling the rotation speed of a fan motor unit. The speed control circuit includes a resistor, a voltage stabilizing unit, a transistor and a thermal resistor. The resistor is connected to a power source of the fan motor unit, the voltage stabilizing unit is connected between the resistor and ground. The collector of the transistor is connected to the fan motor unit, the base is connected to a node between the resistor and the voltage stabilizing unit. The thermal resistor is connected between an emitter of the transistor and ground.
Abstract translation: 一种用于控制风扇电动机单元的转速的风扇速度控制电路。 速度控制电路包括电阻器,稳压单元,晶体管和热电阻器。 电阻连接到风扇电机单元的电源,电压稳定单元连接在电阻和地之间。 晶体管的集电极连接到风扇电机单元,基座连接到电阻器和稳压单元之间的节点。 热敏电阻连接在晶体管的发射极和地之间。
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