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公开(公告)号：US09288574B2
公开(公告)日：2016-03-15
申请号：US14374929
申请日：2013-02-11
Applicant: ST-Ericsson SA
Inventor： Sergio Pernici , Germano Nicollini
CPC classification number: H04R3/00 , H03F3/1855 , H03F3/45183 , H03F3/45511 , H03F2200/03 , H03F2200/481 , H03F2203/45374 , H03F2203/45418 , H04R3/002
Abstract: The invention relates to a circuit (100) for use with a loudspeaker (104) having a first differential input terminal (t1) and a second differential input terminal (t2), the circuit (100) comprising: a differential power amplifier (103) having a first differential output terminal (t3) operatively connected to the first differential input terminal (t1) of the loudspeaker (104) and a second differential output terminal (t4) operatively connected to the second differential input terminal (t2) of the loudspeaker (104);—a first resistor (RS1) disposed between the first differential output terminal (t3) of the differential power amplifier (103) and the first differential input terminal (t1) of the loudspeaker (104); a second resistor (RS2) disposed between the second differential output terminal (t4) of the differential power amplifier (103) and the second differential input terminal (t2) of the loudspeaker (104). The circuit (100) further comprises: a first resistive module (RR1, RR2) arranged to generate on a respective output terminal (t5) a first control voltage (VIN), the first resistive module (RR1, RR2) having a first input terminal (t6) connected to the first differential output terminal (t3) of the power amplifier (103) and a second input terminal (t7) connected to the second differential input terminal (t2) of the loudspeaker (104), a second resistive module (RR3, RR4) arranged to generate on a respective output terminal (t8) a second control voltage (VIP), the second resistive module (RR3, RR4) having a first input terminal (t9) connected to the second differential output terminal (t4) of the power amplifier (103) and a second input terminal (t10) connected to the first differential input terminal (t1) of the loudspeaker (104). The loudspeaker circuit (100) being arranged to control the differential power amplifier (103) on the basis of the first control voltage (VIN) and the second control voltage (VIP).
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公开(公告)号：US09219491B2
公开(公告)日：2015-12-22
申请号：US14412747
申请日：2013-07-17
Applicant: ST-Ericsson SA
Inventor： Alberto Minuti , Francesca Girardi , Germano Nicollini , Marco Zamprogno
Abstract: An electronic analog-to-digital conversion device includes an analog-to-digital conversion block having a first input for receiving a voltage signal to be converted based on a reference voltage signal provided to a second input, and an input block connected to the first input of the analog-to-digital conversion block. The input block receives an input signal at a first resistive network connected to a second resistive network, which is then connected to a reference potential. The input block also includes an active network connected between an output of the first resistive network and the first input of the analog-to-digital conversion block. The active network has a first input terminal directly connected to the second input of the analog-to-digital conversion block for receiving the same reference voltage signal so that the input voltage signal received at a second input of the active network is processed based on the reference voltage signal.
Abstract translation: 一种电子模拟 - 数字转换装置，包括具有第一输入的模数转换块，该第一输入用于基于提供给第二输入端的参考电压信号接收要转换的电压信号;以及输入模块，连接到第一输入端 输入模数转换块。 输入块在连接到第二电阻网络的第一电阻网络处接收输入信号，该第二电阻网络然后连接到参考电位。 输入块还包括连接在第一电阻网络的输出端和模数转换块的第一输入端之间的有源网络。 有源网络具有直接连接到模数转换块的第二输入的第一输入端，用于接收相同的参考电压信号，使得在有源网络的第二输入处接收的输入电压信号基于 参考电压信号。
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公开(公告)号：US09093962B2
公开(公告)日：2015-07-28
申请号：US14402003
申请日：2013-05-24
Applicant: ST-Ericsson SA
Inventor： Andrea Barbieri , Germano Nicollini
CPC classification number: H03F3/45071 , H03F1/0261 , H03F3/21 , H03F3/3023 , H03F3/45183 , H03F2200/153 , H03F2200/411 , H03F2200/453 , H03F2200/456 , H03F2200/513 , H03F2203/45134 , H03F2203/45192 , H03F2203/45644 , H03F2203/45658 , H03M1/183
Abstract: The invention relates to a two-stage operational amplifier (400) in class AB for driving a load (RLB, RLA) comprising: an input stage (401) comprising differential input terminals (IN, 1P) and a first differential output terminal (O1P) and a second differential output terminal (O1N) for providing a first differential driving signal (Out1P) and a second differential driving signal (Out1N), respectively; an output stage (402) comprising a first output branch (403) having a first differential input terminal (I1P) operatively connected to the first differential output terminal (O1P) of the input stage (401) to receive the first differential driving signal (OUT1P) and a second output branch (404) having a second differential input terminal (I1N) operatively connected to the second differential output terminal (O1N) of the output stage (401) to receive the second differential driving signal (Out1N), —a control circuit (405) configured to control the output stage (402).
Abstract translation: 本发明涉及用于驱动负载（RLB，RLA）的AB类中的两级运算放大器（400），包括：输入级（401），包括差分输入端（IN，1P）和第一差分输出端（O1P ）和用于分别提供第一差分驱动信号（Out1P）和第二差分驱动信号（Out1N）的第二差分输出端子（O1N） 输出级（402），包括具有可操作地连接到输入级（401）的第一差分输出端（O1P）的第一差分输入端（I1P）的第一输出分支（403），以接收第一差分驱动信号（OUT1P ）和第二输出分支（404），其具有可操作地连接到输出级（401）的第二差分输出端（O1N）的第二差分输入端（I1N），以接收第二差分驱动信号（Out1N）， - 控制 电路（405）被配置为控制输出级（402）。
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公开(公告)号：US20150171881A1
公开(公告)日：2015-06-18
申请号：US14412747
申请日：2013-07-17
Applicant: ST-Ericsson SA
Inventor： Alberto Minuti , Francesca Girardi , Germano Nicollini , Marco Zamprogno
IPC: H03M1/12
Abstract: The present disclosure relates to an electronic analog-to-digital conversion device (100) which comprises: an analog-to-digital conversion block (101) having a first input (1) for receiving a voltage signal (Vout) to be converted on the basis of a reference voltage signal (VREF) provided to a second input (2) of the same analog-to-digital conversion block (101);—an input block (102) having an input terminal (3) and an output terminal (4) connected to the first input (1) of the analog-to-digital conversion block (101). The input block (102) is arranged for processing an input voltage signal (Vin) applied to the input terminal (3) to generate the voltage signal (Vout) at the output terminal (4). The input block (102) comprises:—a first resistive network (103) operatively connected to both the input terminal (3) and the output terminal (4);—a second resistive network (104) connected between the output terminal (4) and a reference potential (GND). The input block (102) is characterized by comprising an active network (105) connected between an output node (5) of the first resistive network (103) and the output terminal (4). The active network (105) has a first input terminal (6) directly connected to the second input (2) of the analog-to-digital conversion block (101) for receiving the same reference voltage signal (VREF) provided to the second input (2) so that the input voltage signal (Vin) is processed by the input block (102) on the basis of such reference voltage signal (VREF).
Abstract translation: 本公开涉及一种电子模数转换装置（100），其包括：模数转换块（101），具有用于接收要转换的电压信号（Vout）的第一输入（1） 提供给同一模数转换块（101）的第二输入（2）的参考电压信号（VREF）的基础; - 输入块（102），具有输入端（3）和输出端 （4）连接到模数转换块（101）的第一输入（1）。 输入块（102）被布置用于处理施加到输入端子（3）的输入电压信号（Vin），以在输出端子（4）产生电压信号（Vout）。 输入块（102）包括： - 第一电阻网络（103），可操作地连接到输入端（3）和输出端（4）; - 第二电阻网（104），连接在输出端（4） 和参考电位（GND）。 输入块（102）的特征在于包括连接在第一电阻网络（103）的输出节点（5）和输出端（4）之间的有源网络（105）。 有源网络（105）具有直接连接到模拟 - 数字转换块（101）的第二输入（2）的第一输入端（6），用于接收提供给第二输入端的相同参考电压信号（VREF） （2），使得输入电压信号（Vin）由输入块（102）基于这样的参考电压信号（VREF）来处理。
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Patent Agency Ranking
5.发明授权公开(公告)号：US09553546B2
公开(公告)日：2017-01-24
申请号：US14654861
申请日：2014-01-21
Applicant: ST-Ericsson SA
Inventor： Pierangelo Confalonieri , Federico Guanziroli , Germano Nicollini
CPC classification number: H03F1/0205 , H03F1/307 , H03F1/3205 , H03F3/183 , H03F3/211 , H03F3/217 , H03F3/2171 , H03F3/2173 , H03F3/2178 , H03F3/3059 , H03F3/3064 , H03F3/45179 , H03F2200/03 , H03F2200/351 , H03F2203/21142
Abstract: A differential output stage of an amplification device, for driving a load, comprises a first and a second differential output stage portion. The first differential output stage portion comprises: a first and a second output circuit; a first driving circuit comprising a first biasing circuit; a second driving circuit comprising a second biasing circuit. The first differential output stage portion comprises: a third output circuit connected between a first node of said first biasing circuit and a first differential output terminal, having a third driving terminal connected to a first driving terminal; a fourth output circuit connected between a first node of the second biasing circuit and the first differential output terminal, having a fourth driving terminal connected to a second driving terminal.
Abstract translation: 用于驱动负载的放大装置的差分输出级包括第一和第二差分输出级部分。 第一差分输出级部分包括：第一和第二输出电路; 第一驱动电路，包括第一偏置电路; 第二驱动电路，包括第二偏置电路。 第一差分输出级部分包括：连接在所述第一偏置电路的第一节点和第一差分输出端子之间的第三输出电路，具有连接到第一驱动端子的第三驱动端子; 连接在第二偏置电路的第一节点和第一差分输出端子之间的第四输出电路，具有连接到第二驱动端子的第四驱动端子。
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公开(公告)号：US09292029B2
公开(公告)日：2016-03-22
申请号：US14379399
申请日：2013-02-26
Applicant: ST-Ericsson SA
Inventor： Germano Nicollini , Andrea Barbieri
CPC classification number: G05F3/262 , G05F1/56 , G05F1/561 , G05F3/26 , H03H7/0161
Abstract: A low-noise reference voltages distribution circuit has a multi-output voltage-to-current converter configured to receive an input reference voltage and to provide a plurality of output reference currents to be converted into a plurality of local reference voltages by corresponding receiving circuits. The converter includes an input section, an output section and a low-pass filter. The input section generates a reference current based on the input reference voltage, and has a current mirror input transistor having a voltage controlled input terminal. The output section includes a plurality of current mirror output transistors outputting reference currents to the plurality of reference currents, respectively, and having a voltage controlled input terminal connected to a common input node. The low-pass filter has an input node connected to the voltage controlled input terminal of the current mirror input transistor and an output node connected to the common input node.
Abstract translation: 低噪声参考电压分配电路具有被配置为接收输入参考电压并且通过相应的接收电路提供多个输出参考电流以被转换成多个局部参考电压的多输出电压 - 电流转换器。 转换器包括输入部分，输出部分和低通滤波器。 输入部分基于输入参考电压生成参考电流，并且具有电压反射镜输入晶体管，其具有电压控制的输入端子。 输出部分包括分别向多个参考电流输出参考电流并且具有连接到公共输入节点的电压控制输入端的多个电流镜输出晶体管。 低通滤波器具有连接到电流镜输入晶体管的电压控制输入端的输入节点和连接到公共输入节点的输出节点。
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公开(公告)号：US20150155841A1
公开(公告)日：2015-06-04
申请号：US14402003
申请日：2013-05-24
Applicant: ST-Ericsson SA
Inventor： Andrea Barbieri , Germano Nicollini
CPC classification number: H03F3/45071 , H03F1/0261 , H03F3/21 , H03F3/3023 , H03F3/45183 , H03F2200/153 , H03F2200/411 , H03F2200/453 , H03F2200/456 , H03F2200/513 , H03F2203/45134 , H03F2203/45192 , H03F2203/45644 , H03F2203/45658 , H03M1/183
Abstract: The invention relates to a two-stage operational amplifier (400) in class AB for driving a load (RLB, RLA) comprising: an input stage (401) comprising differential input terminals (IN, lp) and a first differential output terminal (O1P) and a second differential output terminal (O1N) for providing a first differential driving signal (Out1P) and a second differential driving signal (Out1N), respectively; an output stage (402) comprising a first output branch (403) having a first differential input terminal (I1P) operatively connected to the first differential output terminal (O1P) of the input stage (401) to receive the first differential driving signal (OUT1P) and a second output branch (404) having a second differential input terminal (I1N) operatively connected to the second differential output terminal (O1N) of the output stage (401) to receive the second differential driving signal (Out1N), a control circuit (405) configured to control the output stage (402).
Abstract translation: 本发明涉及用于驱动负载（RLB，RLA）的AB类中的两级运算放大器（400），包括：输入级（401），包括差分输入端（IN，lp）和第一差分输出端（O1P ）和用于分别提供第一差分驱动信号（Out1P）和第二差分驱动信号（Out1N）的第二差分输出端子（O1N） 输出级（402），包括具有可操作地连接到输入级（401）的第一差分输出端（O1P）的第一差分输入端（I1P）的第一输出分支（403），以接收第一差分驱动信号（OUT1P ）和具有与输出级（401）的第二差分输出端子（O1N）可操作地连接以接收第二差分驱动信号（Out1N）的第二差分输入端子（I1N）的第二输出分支（404），控制电路 （405），被配置为控制所述输出级（402）。
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公开(公告)号：US20150035591A1
公开(公告)日：2015-02-05
申请号：US14379399
申请日：2013-02-26
Applicant: ST-Ericsson SA
Inventor： Germano Nicollini , Andrea Barbieri
CPC classification number: G05F3/262 , G05F1/56 , G05F1/561 , G05F3/26 , H03H7/0161
Abstract: A low-noise reference voltages distribution circuit (10) is disclosed, comprising a multi-output voltage to current converter (V/I_Conv) adapted to receive an input reference voltage (VR) for providing a plurality of output reference currents (I1, . . . , IN) to be converted into a plurality of local reference voltages (V01, V0N) at corresponding receiving circuits (LCR1, LCRN) adapted to be connected to said reference voltages distribution circuit (10). The multi-output voltage to current converter (V/I_Conv) comprises: -an input section (20) adapted to generate on the basis of said input reference voltage (VR) a reference current (I0), the input section (20) comprising a current mirror input transistor (M0E) having a voltage controlled input terminal (g0E); -an output section (50) comprising a plurality of current mirror output transistors (M01, M0N) each adapted to provide a corresponding output reference current of said plurality of reference currents (I1, . . . , IN), each of said current mirror output transistors (M01, M0N) comprising a voltage controlled input terminal (g01, . . . , g0N), the output section (50) comprising a common input node (51) to which voltage controlled input terminals (g01, g0N) of said current mirror output transistors (M01, M0N) are connected. The voltage to current converter (V/I_Conv) comprises a low-pass filter (30) having an input node (31) connected to said voltage controlled input terminal (g0E) of the current mirror input transistor (M0E) and an output node (33) connected to said common input node (51).
Abstract translation: 公开了一种低噪声参考电压分配电路（10），其包括适于接收用于提供多个输出参考电流（I1，...）的输入参考电压（VR）的多输出电压 - 电流转换器（V / I_Conv）。 ...，IN）在适于连接到所述参考电压分配电路（10）的相应接收电路（LCR1，LCRN）处被转换成多个局部参考电压（V01，V0N）。 多输出电压到电流转换器（V / I_Conv）包括： - 适于基于所述输入参考电压（VR）产生参考电流（I0）的输入部分（20），所述输入部分（20）包括 具有电压控制输入端（g0E）的电流镜输入晶体管（M0E）; - 输出部分（50），包括多个电流镜输出晶体管（M01，M0N），每个电流镜输出晶体管适于提供所述多个参考电流（I1，...，IN）的相应的输出参考电流，每个所述电流镜 输出晶体管（M01，M0N），包括电压控制输入端（g01，...，g0N），输出部分（50）包括公共输入节点（51），所述输入端 电流镜输出晶体管（M01，M0N）连接。 电压 - 电流转换器（V / I_Conv）包括具有连接到电流镜输入晶体管（M0E）的所述电压控制输入端子（g0E）的输入节点（31）的低通滤波器（30）和输出节点 33）连接到所述公共输入节点（51）。
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公开(公告)号：US20150010171A1
公开(公告)日：2015-01-08
申请号：US14374929
申请日：2013-02-11
Applicant: ST-Ericsson SA
Inventor： Sergio Pernici , Germano Nicollini
IPC: H04R3/00
CPC classification number: H04R3/00 , H03F3/1855 , H03F3/45183 , H03F3/45511 , H03F2200/03 , H03F2200/481 , H03F2203/45374 , H03F2203/45418 , H04R3/002
Abstract: The invention relates to a circuit (100) for use with a loudspeaker (104) having a first differential input terminal (t1) and a second differential input terminal (t2), the circuit (100) comprising: a differential power amplifier (103) having a first differential output terminal (t3) operatively connected to the first differential input terminal (t1) of the loudspeaker (104) and a second differential output terminal (t4) operatively connected to the second differential input terminal (t2) of the loudspeaker (104);—a first resistor (RS1) disposed between the first differential output terminal (t3) of the differential power amplifier (103) and the first differential input terminal (t1) of the loudspeaker (104); a second resistor (RS2) disposed between the second differential output terminal (t4) of the differential power amplifier (103) and the second differential input terminal (t2) of the loudspeaker (104). The circuit (100) further comprises: a first resistive module (RR1, RR2) arranged to generate on a respective output terminal (t5) a first control voltage (VIN), the first resistive module (RR1, RR2) having a first input terminal (t6) connected to the first differential output terminal (t3) of the power amplifier (103) and a second input terminal (t7) connected to the second differential input terminal (t2) of the loudspeaker (104), a second resistive module (RR3, RR4) arranged to generate on a respective output terminal (t8) a second control voltage (VIP), the second resistive module (RR3, RR4) having a first input terminal (t9) connected to the second differential output terminal (t4) of the power amplifier (103) and a second input terminal (t10) connected to the first differential input terminal (t1) of the loudspeaker (104). The loudspeaker circuit (100) being arranged to control the differential power amplifier (103) on the basis of the first control voltage (VIN) and the second control voltage (VIP).
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