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    • 4. 发明授权
    • 전압 제어 발진기
    • 电压控制振荡器
    • KR101415733B1
    • 2014-07-07
    • KR1020130071645
    • 2013-06-21
    • 숭실대학교산학협력단
    • 박창근조성웅윤재혁이미림
    • H03B5/12
    • H03B5/1228H03B5/1212H03B5/124H03B2200/0062
    • The present invention relates to a voltage controlled oscillator. According to the present invention, the voltage controlled oscillator comprises: a first transistor having a first end connected to a first power source, a body connected to a gate, and outputting a first output signal through a second end; a second transistor cross-coupling with the first transistor by having a first end connected to the first power source, a body connected to the second end of the first transistor and connected to the gate, and a second end connected to the body of the first transistor, and outputting a second output signal with the opposite phase to that of the first transistor through a second end; and a resonant filter having a first end connected to the second end of the first transistor and a second end connected to the second end of the second transistor. According to the present invention, the voltage controlled oscillator can adjust a threshold voltage by applying a signal with the same phase as the gate through a body of a transistor and a body bias. Thus, the voltage controlled oscillator may have a relatively high gain from the same power consumption compared with an existing technology and reduce oscillation time by forming an additional feedback loop.
    • 本发明涉及压控振荡器。 根据本发明,压控振荡器包括:第一晶体管,其具有连接到第一电源的第一端,连接到栅极的主体,并且通过第二端输出第一输出信号; 通过具有连接到第一电源的第一端与第一晶体管交叉耦合的第二晶体管,连接到第一晶体管的第二端并连接到栅极的主体,以及连接到第一晶体管的主体的第二端 并通过第二端输出具有与第一晶体管相反相位的第二输出信号; 以及谐振滤波器,其具有连接到第一晶体管的第二端的第一端和连接到第二晶体管的第二端的第二端。 根据本发明,压控振荡器可以通过施加与栅极相同的相位的信号通过晶体管的主体和体偏置来调节阈值电压。 因此,与现有技术相比,压控振荡器可以具有与相同功率消耗相对较高的增益,并且通过形成额外的反馈回路来减少振荡时间。
    • 5. 发明授权
    • 전자 회로
    • 전자회로
    • KR101038155B1
    • 2011-05-31
    • KR1020100007224
    • 2010-01-27
    • 산요덴키가부시키가이샤산요 세미컨덕터 컴퍼니 리미티드
    • 곤도히데오
    • G06F1/06H03B5/32H03K5/15G06F1/32
    • G06F1/324G06F1/32H03B5/364H03B2200/0012H03B2200/0046H03B2200/0062Y02D10/126
    • 전자 회로(예를 들어, 마이크로컴퓨터)의 동작 모드에 따라서, 저주파수의 발진기에 대하여 적절한 전원 임피던스를 설정함으로써, 상기 발진기의 오동작을 방지하면서, 소비 전력을 적절하게 저감시킬 수 있다.
      시스템 클록의 클록원으로서, 고속 발진기(11), 중속 발진기(12), 저속 발진기(13)가 설치된다. 또한, 시계용 클록을 발생시키는 수정 발진기(30)가 설치된다. 그리고, 고속 발진기(11)가 동작하고 있을 때에는, 수정 발진기(30)의 전원 임피던스를 낮게 하여 내노이즈성을 높인다. 한편, 고속 발진기(11), 중속 발진기(12), 저속 발진기(13)가 모두 정지하고 있는 대기시에는, 수정 발진기(30)의 전원 임피던스를 높게 하여 소비 전력을 억제한다.
    • 本发明通过适当地设定与操作模式相对应的低频振荡器的电源阻抗,可以在防止振荡器故障的同时降低电子电路(例如,微型计算机)的功耗。 提供高频振荡器,中频振荡器和低频振荡器作为系统时钟源。 另外,还提供了一种石英振荡器以产生钟表的时钟。 当高频振荡器工作时,石英振荡器的电源阻抗降低以提高噪声容限。 另一方面,在高频振荡器,中频振荡器和低频振荡器停止的等待期间,石英振荡器的电源阻抗增加以抑制功耗。
    • 6. 发明公开
    • 발진신호 출력회로
    • 输出振荡信号电路
    • KR1020080080904A
    • 2008-09-05
    • KR1020080002032
    • 2008-01-08
    • 라피스 세미컨덕터 가부시키가이샤
    • 이노우에유우이치로우
    • H03B1/02H03B5/32
    • H03B5/364H03B5/362H03B2200/0062
    • A circuit for outputting an oscillation signal is provided to prevent a bias voltage from being affected by a voltage variation by converting a current source of a bias voltage generation circuit into a constant-current with a transistor, thereby stably outputting an output signal. A circuit(100) for outputting an oscillation signal includes a bias circuit(110), an oscillation unit(120), an amplification unit(130), an output unit(140) with an output end(150), and an output terminal(160). The bias circuit is connected to the amplification unit through a bias signal line(112), generates a bias voltage, and outputs the bias voltage to the amplification unit through the bias signal line. The bias voltage controls a constant current of a PMOS(P-type Metal-Oxide Semiconductor) transistor of the amplification unit.
    • 提供一种用于输出振荡信号的电路,以通过用晶体管将偏置电压产生电路的电流源转换为恒定电流来防止偏置电压受电压变化的影响,由此稳定地输出输出信号。 用于输出振荡信号的电路(100)包括偏置电路(110),振荡单元(120),放大单元(130),具有输出端(150)的输出单元(140)和输出端 (160)。 偏置电路通过偏置信号线(112)连接到放大单元,产生偏置电压,并通过偏置信号线将偏置电压输出到放大单元。 偏置电压控制放大单元的PMOS(P型金属氧化物半导体)晶体管的恒定电流。
    • 8. 发明公开
    • 공진 구동 회로를 이용한 저전력 디코더
    • 低功耗解码器使用共振驱动电路
    • KR20180024020A
    • 2018-03-07
    • KR20187004332
    • 2016-07-26
    • H03M5/04G11C8/10H01P1/20
    • G11C8/10G11C11/418H03B5/1215H03B5/1231H03B5/36H03B2200/0062
    • 본발명의일 실시예에따른디코더는라인들의세트, 공진회로, 입력신호들을수신하기위한입력리드들의세트, 그리고라인들의세트내 다른라인들은제1 이진전압에있을때에, 상기입력신호들에응답하여상기라인들의세트내 몇몇의라인들을상기공진회로에커플링하기위한스위치들의세트를포함한다. 상기라인들은포인트회로들의세트에커플링된다. 상기포인터회로들은상기공진회로가상기제1 이진전압과는반대인제2 이진전압에있을때에상기라인들상의신호들에대한논리함수들을실행하며, 그래서상기입력신호들을디코드한다. 상기라인들이공진회로에의해하이및 로우로구동되기때문에, 상기디코더회로전력소비는만일풀업및 풀다운트랜지스터들의세트에의해상기라인들이풀업되고풀다운되었을경우에소비했을전력보다는더 적다.
    • 根据本发明实施例的解码器包括一组线路,谐振电路,用于接收输入信号的一组输入引线以及一组线路中的其他线路,响应于输入信号 还有一组开关,用于将一组线路中的多条线路耦合到谐振电路。 这些线路连接到一组点电路。 指针电路在线路上的信号处于与谐振电路虚拟基极1二进制电压相反的二进制电压时对其执行逻辑功能,并因此解码输入信号。 由于线路由谐振电路驱动高低,因此解码器电路的功耗小于如果线路被一组上拉和下拉晶体管拉低拉低时所消耗的功率。
    • 10. 发明公开
    • 전자 회로
    • 电子电路
    • KR1020100087666A
    • 2010-08-05
    • KR1020100007224
    • 2010-01-27
    • 산요덴키가부시키가이샤산요 세미컨덕터 컴퍼니 리미티드
    • 곤도히데오
    • G06F1/06H03B5/32H03K5/15G06F1/32
    • G06F1/324G06F1/32H03B5/364H03B2200/0012H03B2200/0046H03B2200/0062Y02D10/126
    • PURPOSE: An electronic circuit is provided to prevent the malfunction of an oscillator by setting proper power impedance in an oscillator of a lower frequency according to an operating mode. CONSTITUTION: Starting and halting of the three oscillators(11,12,13) are controlled by a CPU(10). That is, the CPU controls an operation mode switching unit(15) in accordance with a program stored in a ROM(Read Only Memory)(14). The operation mode switching unit outputs corresponding each of control signals(S1,S2,S3) to the high frequency oscillator, the medium frequency oscillator or the low frequency oscillator, respectively, based on programmed instructions from the CPU. That is, the control signal(S1) is turned to an H level to put the high frequency oscillator into operation in a high speed operation mode, the control signal(S2) is turned to the H level to put the medium frequency oscillator into operation in a medium speed operation mode, and the control signal(S3) is turned to the H level to put the low frequency oscillator into operation in a low speed operation mode.
    • 目的:提供电子电路,通过根据工作模式在较低频率的振荡器中设置适当的功率阻抗来防止振荡器发生故障。 构成:三个振荡器(11,12,13)的启动和停止由CPU(10)控制。 也就是说,CPU根据存储在ROM(只读存储器)(14)中的程序来控制操作模式切换单元(15)。 操作模式切换单元基于来自CPU的编程指令,分别将相应的每个控制信号(S1,S2,S3)输出到高频振荡器,中频振荡器或低频振荡器。 也就是说,控制信号(S1)变为H电平以使高频振荡器在高速运行模式下运行,控制信号(S2)变为H电平以使中频振荡器运行 在中速运转模式下,将控制信号(S3)变为H电平,使低频振荡器以低速运转模式运转。