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">1.发明授权"Constant duty-cycle limiting of analog input signal swing in a class-D amplifier" 有权限幅器的模拟Eingangssignalhub在一个D类放大器具有恒定占空比
公开(公告)号：EP1049248B1
公开(公告)日：2005-08-17
申请号：EP99830248.3
申请日：1999-04-27
Applicant: STMicroelectronics S.r.l.
Inventor： Masini, Marco , Tavazzani, Claudio
CPC classification number: H03G11/002 , H03F3/217 , H03F2200/351 , H03F2200/66 , H03G11/04
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公开(公告)号：EP0913926B1
公开(公告)日：2004-03-03
申请号：EP97830560.5
申请日：1997-10-31
Applicant: STMicroelectronics S.r.l.
Inventor： Chiozzi, Giorgio , Tavazzani, Claudio
CPC classification number: H03F3/72
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Patent Agency Ranking3.发明授权Operational amplifier protection circuit using, either in working conditions or at start-up, identical circuit elements for detecting permanent output abnormal conditions 失效转弯时使用相同的电路元件，用于检测任一操作或永久异常输出状态中的运算放大器保护电路
公开(公告)号：EP0661802B1
公开(公告)日：1998-09-09
申请号：EP93830541.4
申请日：1993-12-31
Applicant: STMicroelectronics S.r.l.
Inventor： Tavazzani, Claudio , Fassina, Andrea , Stefani, Fabrizio
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公开(公告)号：EP0803975B1
公开(公告)日：2003-07-02
申请号：EP96830235.6
申请日：1996-04-26
Applicant: STMicroelectronics S.r.l.
Inventor： Chiozzi, Giorgio , Storti, Sandro , Tavazzani, Claudio
IPC: H03F3/21
CPC classification number: H03F3/3096
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公开(公告)号：EP0753934B1
公开(公告)日：2002-05-15
申请号：EP95830301.8
申请日：1995-07-13
Applicant: STMicroelectronics S.r.l.
Inventor： Masini, Marco , Tavazzani, Claudio , Boiocchi, Stefania
CPC classification number: H03K3/2821 , H03F3/2171
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">6.发明公开"Constant duty-cycle limiting of analog input signal swing in a class-D amplifier" 有权限幅器的模拟Eingangssignalhub在一个D类放大器具有恒定占空比
公开(公告)号：EP1049248A1
公开(公告)日：2000-11-02
申请号：EP99830248.3
申请日：1999-04-27
Applicant: STMicroelectronics S.r.l.
Inventor： Masini, Marco , Tavazzani, Claudio
CPC classification number: H03G11/002 , H03F3/217 , H03F2200/351 , H03F2200/66 , H03G11/04
Abstract: A way of establishing a constant limit duty-cycle, substantially independent from fabrication process spread, temperature, etc., and to guarantee an optimal functioning of the final stage of the amplifier for all working conditions consists in detecting the equivalent values of the voltages to which the output signal of the amplifier switches (or pseudo supplies): VDD' and -VDD", respectively, and in making the limiting stage of the voltage swing of analog input signal utilize such pseudo supply values VDD' and -VDD" as respective reference values in limiting the voltage excursion of the analog signal VL output by the input limiting stage to a pre-defined fraction α
Abstract translation: 建立恒定占空比限制的，基本上独立于制造过程传播，温度等，并保证该放大器的最后一级的最佳状态的运行的所有工作条件besteht在检测的电压的等效值的一种方式 其中放大器的开关（或伪用品）的输出信号：VDD“和-V DD”，分别与在使模拟输入信号的电压摆幅的限制性阶段利用求伪供给值VDD”和-V DD“作为respectivement 在由输入限制阶段求基准值，而不是使用作为基准的实际供给电压值VDD和-VDD的预定义分数的α<1的限制模拟信号VL输出的电压偏移参考值作为常见的做 ，
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7.发明公开Integrated power amplifier which allows parallel connections 失效Integrierter平行体Verbindungen erlaubenderLeistungsverstärker
公开(公告)号：EP0913926A1
公开(公告)日：1999-05-06
申请号：EP97830560.5
申请日：1997-10-31
Applicant: STMicroelectronics S.r.l.
Inventor： Chiozzi, Giorgio , Tavazzani, Claudio
CPC classification number: H03F3/72
Abstract: An integrated power operational amplifier can alternatively be operated in a master or a slave mode, such that a master amplifier can be connected in parallel with one or more slave amplifiers. This arrangement allows very low impedance loads to be driven, as well the heat dissipation to be distributed over a number of devices, thereby raising the maximum dissipation limits of integrated power systems. In addition, by eliminating the ballast resistors, more power can be delivered by the system, for the same supply voltage, and less power dissipated.
Abstract translation: 集成电力运算放大器可替代地以主模式或从模式操作，使得主放大器可以与一个或多个从属放大器并联连接。 这种布置允许驱动非常低的阻抗负载，以及散热分布在多个器件上，从而提高集成电力系统的最大耗散极限。 此外，通过消除镇流电阻，系统可以提供更多的功率，相同的电源电压和更少的功耗消耗。
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