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    • 4. 发明申请
    • ACTIVATION APPARATUS AND METHOD FOR ACTIVATING A DIRECT VOLTAGE CONVERTER
    • 用于激活直流电压转换器的激活装置和方法
    • US20140328086A1
    • 2014-11-06
    • US14348505
    • 2012-08-02
    • Eric HueckelStefan KochFlorian LieblangStephan BinhackTobias PristlMichael ZellerStephan MuellerJian TianRalf BochatRalf-Peter Bergmann
    • Eric HueckelStefan KochFlorian LieblangStephan BinhackTobias PristlMichael ZellerStephan MuellerJian TianRalf BochatRalf-Peter Bergmann
    • H02M3/337
    • H02M3/3378H02M1/36H02M3/33592H02M2001/0025Y02B70/1475
    • The invention relates to an activation apparatus (20) for a galvanically decoupled direct voltage converter having a synchronous rectifier, comprising a signal generating device (22), which is designed to generate control signals (22c, 22d) for switch devices of the synchronous rectifier and a reference current signal (22b), a first comparator device (23), which is coupled to the signal generating device (22), and which is designed to detect the secondary-side output current (Jo) of the synchronous rectifier, compare it to the reference current signal (22b) and generate a current control signal in dependence on the comparison, and a pulse width modulation device (25), which is coupled to the signal generating device (22) and the first comparator device (23) and which is designed to generate pulse width modulated activation signals (25a) for the switch devices of the synchronous rectifier on the basis of the control signals (22c, 22d) and the current control signal, wherein the signal generating device (22) is furthermore designed to reduce the reference current signal (22b) within a first predetermined timespan to a predetermined reference current threshold.
    • 本发明涉及一种用于具有同步整流器的电流去耦直流电压转换器的激活装置(20),其包括信号发生装置(22),其被设计成产生用于同步整流器的开关装置的控制信号(22c,22d) 和参考电流信号(22b),耦合到所述信号发生装置(22)并被设计成检测所述同步整流器的次级侧输出电流(Jo)的第一比较器装置(23)进行比较 与参考电流信号(22b)相关并根据比较产生电流控制信号,以及耦合到信号产生装置(22)和第一比较器装置(23)的脉宽调制装置(25) 并且其被设计成基于控制信号(22c,22d)和电流控制信号来产生用于同步整流器的开关装置的脉冲宽度调制的激活信号(25a),其中信号g 激励装置(22)还被设计为将第一预定时间段内的参考电流信号(22b)减小到预定的参考电流阈值。
    • 5. 发明授权
    • Apparatus and method for demodulating an input signal
    • 用于解调输入信号的装置和方法
    • US08841964B2
    • 2014-09-23
    • US13578421
    • 2010-03-10
    • Sadik HafizovicFlavio HeerStefan KochNiels Haandbaek
    • Sadik HafizovicFlavio HeerStefan KochNiels Haandbaek
    • H03D3/04H03D1/22H03D3/00
    • H03D3/006H03D1/22
    • An apparatus for demodulating an input signal that includes a frequency detector for tracking a frequency of the input signal, an oscillator and a mixer is disclosed. The input signal and an output signal of the oscillator can constitute the incoming signals for the mixer and the output signal of the mixer can constitute the demodulated input signal, wherein an arithmetic unit is arranged downstream of the frequency detector and upstream of the oscillator, wherein the tracked frequency of the input signal and a predefined second frequency constitute the incoming signals of the arithmetic unit and the arithmetic unit is designed such that it computes a control signal for the oscillator from the tracked frequency of the input signal and the predefined second frequency with the output signal of the oscillator depending on the control signal.
    • 公开了一种用于解调包括用于跟踪输入信号的频率的频率检测器的输入信号的装置,振荡器和混频器。 振荡器的输入信号和输出信号可以构成混频器的输入信号,并且混频器的输出信号可以构成解调输入信号,其中算术单元布置在频率检测器的下游和振荡器的上游,其中 输入信号的跟踪频率和预定的第二频率构成运算单元的输入信号,并且算术单元被设计成使得其根据输入信号的跟踪频率和预定义的第二频率来计算振荡器的控制信号, 振荡器的输出信号取决于控制信号。
    • 7. 发明申请
    • APPARATUS AND METHOD FOR DEMODULATING AN INPUT SIGNAL
    • 用于解调输入信号的装置和方法
    • US20120313697A1
    • 2012-12-13
    • US13578421
    • 2010-03-10
    • Sadik HafizovicFlavio HeerStefan KochNiels Haandbaek
    • Sadik HafizovicFlavio HeerStefan KochNiels Haandbaek
    • H03D3/06
    • H03D3/006H03D1/22
    • The invention relates to an apparatus (300; 400; 500; 600) for demodulating an input signal (306; 402; 520), comprising a frequency detector (302; 403; 502.1, . . . , 502. N; 603) for tracking a frequency (f2; fd1, . . . , fdN) of the input signal (306; 402; 520), an oscillator (304; 410; 505; 605, 606) and a mixer (305; 408; 507; 608, 609), wherein the input signal (306; 402; 520) and an output signal (307; 409) of the oscillator (304; 410; 505; 605, 606) constitute the incoming signals for the mixer (305; 408; 507; 608, 609) and the output signal of the mixer (305; 408; 507; 608, 609) constitutes the demodulated input signal, wherein an arithmetic unit (303; 404; 504; 604) is arranged downstream of the frequency detector (302; 403; 502.1, . . . , 502. N; 603) and upstream of the oscillator (304; 410; 505; 605, 606), wherein the tracked frequency (f2; fd1, . . . , fdN) of the input signal (306; 402; 520) and a predefined second frequency (f1; faux1, . . . , fauxM) constitute the incoming signals of the arithmetic unit (303; 404; 504; 604) and the arithmetic unit (303; 404; 504; 604) is designed such that it computes a control signal (f3; f4; fo1, . . . , foP) for the oscillator (304; 410; 505; 605, 606) from the tracked frequency (f2; fd1, . . . , fdN) of the input signal (306; 402; 520) and the predefined second frequency (f1; faux1, . . . , fauxM) with the output signal (307; 409) of the oscillator (304; 410; 505; 605, 606) depending on the control signal (f3; f4; fo1, . . . , foP). The invention furthermore relates to a method for demodulating an input signal (306; 402; 520) with such an apparatus (300; 400; 500; 600).
    • 本发明涉及一种用于解调输入信号(306; 402; 520)的装置(300; 400; 500; 600),包括频率检测器(302; 403; 502.1,...,502 N; 603) 跟踪输入信号(306; 402; 520)的频率(f2; fd1,...,fdN),振荡器(304; 410; 505; 605,606)和混频器(305; 408; 507; 608 ,其中所述振荡器(304; 410; 505; 605,606)的所述输入信号(306; 402; 520)和输出信号(307; 409)构成所述混频器(305; 408; 507; 608,609),并且所述混频器(305; 408; 507; 608,609)的输出信号构成所述解调输入信号,其中运算单元(303; 404; 504; 604)被布置在所述频率检测器 (302; 403; 502.1,...,502 N; 603)和振荡器(304; 410; 505; 605,606)的上游,其中,跟踪的频率(f2; fd1,...,fdN) 输入信号(306; 402; 520)和预定义的第二频率(f1; faux1,...,fauxM)构成收入 运算单元(303; 404; 504; 604)和算术单元(303; 404; 504; 604)被设计成使得它为振荡器(304; 410; 505; 605,606)计算控制信号(f3; f4; fo1,...,foP) )与输出信号(306; 402; 520)的跟踪频率(f2; fd1,...,fdN)和预定义的第二频率(f1; faux1,...,fauxM) 取决于控制信号(f3; f4; fo1,...,foP)的振荡器(304; 410; 505; 605,606) 本发明还涉及一种用这种装置(300; 400; 500; 600)解调输入信号(306; 402; 520)的方法。