-
公开(公告)号：KR1020090125928A
公开(公告)日：2009-12-08
申请号：KR1020080052012
申请日：2008-06-03
Applicant: 삼성전기주식회사
IPC: G05F3/24
CPC classification number: G05F1/565 , Y10S323/901
Abstract: PURPOSE: A regulator with a soft start using a current source is provided to extend a life of a battery by flowing a current in a power switch constantly using the current source. CONSTITUTION: A load capacitor is connected between an output terminal and a ground and charges the voltage by the current through a power switch. A comparator(300) outputs a first switching signal and a second switching signal with different phase according to the compared result by comparing the detection voltage by a voltage detector with the preset reference voltage. A current controller(500) switches the connection with a control terminal of a first power switch and the current source according to the first switching signal. The current controller switches the connection with the control terminal of the first power switch and the ground according to the second switching signal. An error amplifier(600) outputs the amplified error voltage to the second power switch by amplifying an error voltage of the detection voltage and the preset reference voltage.
Abstract translation: 目的：提供使用电流源软启动的调节器，通过使用电流源不间断地流过电源开关来延长电池的使用寿命。 构成：负载电容器连接在输出端子和地之间，并通过电源开关对电流进行充电。 比较器（300）通过将电压检测器的检测电压与预设的参考电压进行比较，根据比较结果输出具有不同相位的第一开关信号和第二开关信号。 电流控制器（500）根据第一切换信号切换与第一电源开关的控制端和电流源的连接。 电流控制器根据第二个开关信号切换与第一电源开关的控制端和地的连接。 误差放大器（600）通过放大检测电压和预设参考电压的误差电压将放大的误差电压输出到第二电源开关。
-
公开(公告)号：KR1020090095174A
公开(公告)日：2009-09-09
申请号：KR1020080020339
申请日：2008-03-05
Applicant: 삼성전기주식회사
CPC classification number: H04W52/0229 , H04B1/18 , H04L27/02
Abstract: A low-power communication system is provided to perform a wake-up function with the minimum power by storing a reference wake-up code in a register. A clock generator(50) produces a low-power clock signal(SC). A wake-up receiver(100) operates according to the low-power clock signal and generates an enable signal(Sen) by detecting a wake-up code signal within an RF signal from an antenna. A main receiver(200) operates according to the enable signal. The wake-up receiver comprises a detector(110) for detecting the RF signal from the antenna, a comparator(120) for comparing a detection signal(Vd) from the detector with a reference signal(Vref), and a wake-up discriminator(130) for determining the wake-up by comparing the comparison result signal(Scom) from the comparator with a preset reference wake-up signal.
Abstract translation: 提供了一种低功率通信系统，通过将参考唤醒码存储在寄存器中来执行具有最小功率的唤醒功能。 时钟发生器（50）产生低功率时钟信号（SC）。 唤醒接收器（100）根据低功率时钟信号进行工作，并通过检测来自天线的RF信号内的唤醒码信号来产生使能信号（Sen）。 主接收机（200）根据使能信号进行工作。 唤醒接收机包括用于检测来自天线的RF信号的检测器（110），用于将来自检测器的检测信号（Vd）与参考信号（Vref）进行比较的比较器（120）和唤醒鉴频器 （130），用于通过将来自比较器的比较结果信号（Scom）与预设的参考唤醒信号进行比较来确定唤醒。
-
公开(公告)号：KR1020090094545A
公开(公告)日：2009-09-08
申请号：KR1020080019545
申请日：2008-03-03
Applicant: 삼성전기주식회사
IPC: G06K19/07 , G06K19/077 , G06K17/00 , G06K19/00
CPC classification number: H04W52/0229 , G06K19/07749
Abstract: A low power communication system and a communication method thereof are provided to reduce the power consumption by being switched into an operational mode only when a signal received at a deep sleep mode is identical to a preset wakeup signal. A detector(110) detects a signal received through an antenna, and a comparator(120) is operated by a first clock. The comparator compares the detected received signal with a preset reference voltage. When a comparison signal is outputted from the comparator, a wakeup determiner(130) is operated through the compensated second clock by corresponding to the first clock. The wakeup determiner judges an operation mode through the comparison of the compared signal with the preset wakeup signal. If the operation mode is judged, the wakeup determiner outputs an enable signal.
Abstract translation: 提供了一种低功率通信系统及其通信方法，仅当在深度睡眠模式下接收的信号与预设的唤醒信号相同时才通过切换到操作模式来降低功耗。 检测器（110）检测通过天线接收的信号，并且比较器（120）由第一时钟操作。 比较器将检测到的接收信号与预设的参考电压进行比较。 当从比较器输出比较信号时，通过对应于第一时钟的补偿的第二时钟来操作唤醒确定器（130）。 唤醒确定器通过将比较的信号与预设的唤醒信号进行比较来判断操作模式。 如果判断操作模式，则唤醒确定器输出使能信号。
-
公开(公告)号：KR1020090066595A
公开(公告)日：2009-06-24
申请号：KR1020070134204
申请日：2007-12-20
Applicant: 삼성전기주식회사
CPC classification number: H05B33/0818 , H05B33/0827 , H05B33/0845
Abstract: An illumination control device using a digital code and a controlling method thereof are provided to reduce spurious characteristics according to generation of a driving voltage by converting a control signal to a digital code. An illumination control device using a digital code includes an illumination control unit(210), a digital code generation unit(220), a digital conversion unit(230), and a D/A converter unit(240). The illumination control unit generates a control signal for controlling brightness of illumination devices. The digital code generation unit generates a digital code corresponding to the control signal. The digital conversion unit randomizes the digital code at each of cycles. The D/A converter unit generates a driving voltage by converting the randomized digital code to an analog code.
Abstract translation: 提供使用数字码及其控制方法的照明控制装置，通过将控制信号转换为数字码来根据驱动电压的产生来减少杂散特性。 使用数字代码的照明控制装置包括照明控制单元（210），数字代码生成单元（220），数字转换单元（230）和数模转换单元（240）。 照明控制单元生成用于控制照明装置的亮度的控制信号。 数字代码生成单元生成与控制信号对应的数字代码。 数字转换单元在每个周期随机化数字代码。 D / A转换器单元通过将随机数字代码转换成模拟代码来产生驱动电压。
-
公开(公告)号：KR1020080100624A
公开(公告)日：2008-11-19
申请号：KR1020070046558
申请日：2007-05-14
Applicant: 삼성전기주식회사
IPC: H02M3/155
Abstract: A supply device of the system on chip (SOC) including the slip circuit part is provided to reduce the production cost by supplying the normal mode voltage and the slip voltage needed in the system on chip to the simple circuit. A supply device of the system on chip(SOC) including the slip circuit part comprises the followings: the main circuit part which needs normal mode voltage; the slip circuit part(52) which needs normal mode voltage and slip voltage; the first(110), the second(120) and the third electrode(130) arranged for the cascade connection of battery; the first voltage part including the dry cell which is inserted between the first and the second electrode and supplies the first voltage; the second voltage part including the dry cell which is inserted between the second and the third electrode and supplies the second voltage. By earthing the third electrode commonly, the voltage between the first and the third electrode are supplied to the main circuit part, and the voltage between the second and the third electrode are supplied to the slip circuit part.
Abstract translation: 提供包括滑动电路部分的片上系统（SOC）的供电装置，以通过将简单电路中的片上系统所需的正常模式电压和滑差来提供生产成本。 包括滑动电路部分的片上系统（SOC）的供电装置包括：主电路部分需要正常模式电压; 滑动电路部分（52），其需要正常模式电压和滑差电压; 布置用于电池级联的第一（110），第二（120）和第三电极（130） 所述第一电压部分包括插入在所述第一电极和所述第二电极之间并提供所述第一电压的所述干电池; 第二电压部分包括插入在第二和第三电极之间的干电池，并提供第二电压。 通过共同地接地第三电极，第一和第三电极之间的电压被提供给主电路部分，并且第二和第三电极之间的电压被提供给滑动电路部分。
-
Patent Agency Ranking
公开(公告)号：KR1020080082826A
公开(公告)日：2008-09-12
申请号：KR1020070023627
申请日：2007-03-09
Applicant: 삼성전기주식회사
IPC: H03L7/08
CPC classification number: H03L7/099 , H03B5/1212 , H03B5/1228 , H03L7/18
Abstract: A phase locked loop having a stack structure for low power is provided to remove a power noise caused by a parasitic inductance generated in current mirroring by not using a current mirror circuit. A phase locked loop having a stack structure for low power includes a voltage controlled oscillator(120), and a divider(110). The voltage controlled oscillator is located on a ground terminal and an operation power terminal for supplying a predetermined operation power, and generates an oscillation signal. The divider is electrically coupled to the voltage controlled oscillator in series between the operation power terminal and the ground terminal. The divider generates a division signal which divides an oscillation signal of the voltage controlled oscillator. The voltage controlled oscillator and the divider form a transmission path of the operation current which flows between the operation power terminal and the ground terminal.
Abstract translation: 提供具有用于低功率的堆叠结构的锁相环，以通过不使用电流镜电路来消除由电流镜像中产生的寄生电感引起的功率噪声。 具有用于低功率的堆叠结构的锁相环包括压控振荡器（120）和分压器（110）。 压控振荡器位于接地端子和用于提供预定操作功率的操作电源端子，并产生振荡信号。 分压器电压耦合到操作电源端子和接地端子之间的压控振荡器。 分压器产生除电压振荡器的振荡信号的除法信号。 压控振荡器和分压器形成在操作电源端子和接地端子之间流动的工作电流的传输路径。
-
公开(公告)号：KR100835088B1
公开(公告)日：2008-06-03
申请号：KR1020070044255
申请日：2007-05-07
Applicant: 삼성전기주식회사
CPC classification number: G11C5/14 , G11C5/148 , G05F3/16 , G11C5/147 , G11C11/413
Abstract: A sleep current control circuit of a system on chip(SOC) is provided to assure more stable operation, by controlling a normal current and a sleep current accurately by using a simple circuit. According to a sleep current control circuit of a system on chip(SOC) including a main circuit part and a sleep operation circuit part, a regulator supplies a turn on voltage and a normal current in a normal mode and supplies a turn off voltage in a sleep mode. A switching device(100) is connected between a connection node connected to a current input stage of the sleep operation circuit part and an output stage of the regulator, and supplies a normal current from the regulator to the main circuit part and the sleep operation circuit part by being turned on by the turn on voltage of the regulator, and blocks current supply to the main circuit part by being turned off by a turn off voltage of the regulator, and supplies a sleep current to the sleep operation circuit part. A current limiting device(200) is connected between an operation voltage port and the other port of the switching device, and supplies a sleep current to the sleep operation circuit part by limiting a current by the operation voltage.
Abstract translation: 提供了一种片上系统（SOC）的睡眠电流控制电路，通过简单的电路精确控制正常电流和睡眠电流，确保更稳定的运行。 根据包括主电路部分和睡眠操作电路部分的片上系统（SOC）的睡眠电流控制电路，调节器在正常模式下提供导通电压和正常电流，并提供关断电压 睡眠模式。 开关装置（100）连接在连接到睡眠操作电路部分的当前输入级的连接节点和调节器的输出级之间，并且将调节器的正常电流提供给主电路部分和睡眠操作电路 通过由调节器的导通电压导通的部分，并且通过由调节器的关闭电压关断来阻断对主电路部分的电流供应，并将睡眠电流提供给睡眠操作电路部分。 电流限制装置（200）连接在开关装置的工作电压端口和另一端口之间，并通过将电流限制为工作电压而将休眠电流提供给睡眠电路部分。
-
公开(公告)号：KR100814919B1
公开(公告)日：2008-03-19
申请号：KR1020060052471
申请日：2006-06-12
Applicant: 삼성전기주식회사
CPC classification number: H03L3/00
Abstract: 본 발명은 발진 안정화 검출회로에 관한 것으로, 상기 발진 안정화 검출회로는, 수정 진동자의 발진으로 생성된 펄스 형태의 발진신호를 인가받아 상기 발진신호를 분주하여 출력하는 T 플립플롭; 인버터 및 트랜지스터를 포함하며, 상기 T 플립플롭에서 출력된 신호를 하이레벨로부터 시작되는 펄스 형태의 신호로 변환하여 출력하는 펄스 제어부; 및 상기 펄스 제어부로부터 출력되는 신호에 의해 충전되는 캐패시터와 복수개의 트랜지스터를 포함하고, 바이어스 전류의 조절로 상기 캐패시터의 충전시간을 제어하며, 그 충전시간이 지난 후 상기 발진신호의 안정상태를 나타내는 안정신호를 출력하는 발진 안정화 검출부;를 포함한다. 이러한 본 발명은, 바이어스 전류의 조절로 발진신호가 안정화되는 시간을 제어할 수 있으므로, 발진신호의 안정화 시간을 빠르게 할 수 있을 뿐 아니라 CPU의 동작 효율을 향상시킬 수 있는 효과가 있다.
발진 안정화 검출회로, 바이어스 전류, 발진 안정화, 안정화 시간-
公开(公告)号：KR100780209B1
公开(公告)日：2007-11-27
申请号：KR1020060047723
申请日：2006-05-26
Applicant: 삼성전기주식회사
IPC: H02M1/08
CPC classification number: G05F1/46
Abstract: A voltage regulating apparatus is provided to reduce the size of the voltage regulating apparatus by realizing a reference voltage creating unit only with a plurality of MOSFETs and to supply a reference voltage by performing a voltage dividing operation dividing a voltage without current consumption. A voltage regulating apparatus is composed of a reference voltage creating unit(21), a voltage comparing unit(22), a current synchronizing unit(23), and a voltage outputting unit(24). The reference voltage creating unit converts a power supply voltage(VDD) to supply a reference voltage(Vref). The voltage comparing unit compares the reference voltage supplied from the reference voltage creating unit with an output voltage of the voltage regulating apparatus to control MOSFETs within the voltage outputting unit according to the comparison result. The current synchronizing unit includes a first current synchronizing element and a second synchronizing element which are connected to a node commonly connected to sources of a first MOSFET(221) and a fourth MOSFET(224). The voltage outputting unit supplies a source voltage of a fifth MOSFET as an output voltage.
Abstract translation: 提供一种电压调节装置，通过仅通过多个MOSFET实现基准电压产生单元来减小电压调节装置的尺寸，并通过执行分压而不消耗电流来提供参考电压。 电压调节装置由参考电压产生单元（21），电压比较单元（22），电流同步单元（23）和电压输出单元（24）组成。 参考电压产生单元转换电源电压（VDD）以提供参考电压（Vref）。 电压比较单元将从参考电压产生单元提供的参考电压与电压调节装置的输出电压进行比较，以根据比较结果控制电压输出单元内的MOSFET。 电流同步单元包括连接到共同连接到第一MOSFET（221）和第四MOSFET（224）的源极的节点的第一电流同步元件和第二同步元件。 电压输出单元提供第五个MOSFET的源极电压作为输出电压。
-
公开(公告)号：KR100764356B1
公开(公告)日：2007-10-08
申请号：KR1020060075379
申请日：2006-08-09
Applicant: 삼성전기주식회사
Abstract: 본 발명의 OQPSK 복조기의 타이밍 추정기는, 아날로그 수신신호(Ir,Qr)를 디지털 수신신호(r(k))로 변환하는 A/D 컨버터; 상기 A/D 컨버터로부터의 디지털 수신신호를 기설정된 시간만큼 지연시킨 후, 상기 지연된 디지털 수신신호의 공액 복소수 신호(r(k-1Tc))와 상기 A/D 컨버터로부터의 디지털 수신신호(r(k))를 위상 차분하여, 상기 디지털 수신신호(r(k))에 존재하는 주파수 오차를 상쇄시키는 미분회로부; 상기 미분회로부의 미분과 동일한 방식으로 미분된 기준 심볼과 상기 미분회로부로부터의 수신신호와의 상관 연산을 수행하여 각 상관값을 구하는 상관 연산부; 및 상기 상관 연산부로부터의 상관값에 기초해서 동기 시점을 검출하는 동기 검출부를 포함한다.
Zigbee 수신기, OQPSK 복조기, 타이밍 추정기
-
-
-
-
-
-
-
-
-
Search Results
268
records
(took 0.027 seconds)
