摘要:
The present invention discloses a signal processing device for processing a differential signal from a sensor at a prescribed signal frequency, having a positive signal input (5-1), which is couplable to a positive sensor output of the sensor, and a negative signal input (6-1), which is couplable to a negative sensor output of the sensor, having a positive signal output (7-1) and having a negative signal output (8-1), having a first frequency-dependent resistance (C1H) between the positive signal input (5-1) and the positive signal output (7-1) and having a second frequency-dependent resistance (C1L) between the negative signal input (6-1) and the negative signal output (8-1), wherein the first and second frequency-dependent resistances (C1H, C1L) are designed to allow electrical signals at the prescribed signal frequency to pass in approximately unattenuated fashion, having a first voltage divider (11), which is arranged at least in part in parallel with the first frequency-dependent resistance (C1H) and is designed to divide a voltage between the positive signal input (5-1) and the positive signal output (7-1) using a prescribed ratio, having a second voltage divider (12), which is arranged at least in part in parallel with the second frequency-dependent resistance (C1L) and is designed to divide a voltage between the negative signal input (6-1) and the negative signal output (8-1) using a prescribed ratio. Further, the present invention discloses a control device for an electric machine.
摘要:
Large time constant steering circuit for slowly changing a voltage on a node between at least two discrete voltage levels, the circuit comprising an input node for receiving an input voltage, an output node for presenting an output voltage, a capacitive part connected at said output node for providing said output voltage and a resistive part connected between said input and output nodes for conducting a charging current from said input node to said capacitive part or a discharging current from said capacitive part to said input node depending on said input voltage. The resistive part comprises a semiconductor structure connectable between said input node and said capacitive part in such a way that the semiconductor structure remains in an off state irrespective of the input and output voltages and passes only leakage currents for charging or discharging said capacitive part.
摘要:
An electronic part enabling a further efficient attenuation of high-frequency noises is provided. The first dielectric paste is applied onto a PET film (30) to form a ceramic sheet (31) having a dielectric constant epsilon 1 thereupon; and ceramic films (22-3,22-4) are formed by applying the second dielectric paste on the ceramic sheet (31). Next, the pattern of the signal line (22-2) is printed by applying the conductive paste to the center of ceramic sheet (31) such that the right side (22-3a) of ceramic film (22-3) in the lengthwise direction and the left side (22-4a) of ceramic film (22-4) in the lengthwise direction are covered with the conductive paste; after that, further ceramic films (22-5,22-6) are formed such that the lateral ends (22-2d,22-2e) of the signal line (22-2) are sandwiched between the ceramic films (22-5,22-6;and22-3,22-4).
摘要:
The present invention relates to a laminated chip element which can be manufactured to have desired electric properties by combining various elements in accordance with the desired objectives. More p articularly, t he present invention relates to a laminated chip element which has superior high frequency properties and can be manufactured to control capacitance and/or inductance of the laminated chip element to a desired value. There is provided a laminated chip element, comprising at least one first sheet on which first and second conductive patterns are formed, the first and second conductive patterns being spaced apart from each other in a direction of both ends of the first sheet; and at least one second sheet on which a third conductive pattern is formed, the third conductive pattern being formed in a transverse direction of both the ends of the first sheet; wherein one ends of the first and second conductive patterns are connected to first and second external terminals, respectively, at least one end of the third conductive pattern is connected to a third external terminal, and the first and second sheets are laminated. There is also provided a laminated chip element, comprising: at least one first sheet on which a first conductive pattern is formed, the first conductive pattern consisting of first to third portions, the first and second portions being spaced apart from each other in a direction of both ends of the first sheet, the second portion connecting the first and second portions to each other to have a predetermined inductance; and at least one second sheet on which a second conductive pattern is formed in a transverse direction of both the ends of the first sheet; wherein the first and second portions are connected to first and second external terminals, respectively, at least one ends of the second conductive pattern is connected to a third external terminal, and the first and second sheets are laminated.
摘要:
Ein Zero-IF-Konverter, insbesondere für digitale Satellitenempfänger, mit einem Dünnschichtbauteil mit mindestens zwei RC-Filtern mit jeweils einem Widerstand und einem Kondensator mit jeweils einer Unterelektrode, einer Oberelektrode und einem Dielektrikum, bei dem die RC-Filter auf einem gemeinsamen Substrat angeordnet sind, zeichnet sich durch eine konstante Amplituden- und Phasenrelation zwischen den Basis-Signalen I und Q aus.
摘要:
A resonator and resonator method are provided. The resonator includes an inductor, a capacitor, and a switch configured to maintain energy in at least one of the inductor and the capacitor for a select period of time and to enable variability of energy in the at least one of the inductor and the capacitor for another period of time, to set a resonating frequency of the inductor and the capacitor.
摘要:
A calibration circuit (30) for calibrating an adjustable capacitance (C var (REG_BUS)) of a circuit (31) having a time constant depending on said adjustable capacitance, the calibration circuit (30) being such as to output a calibration signal (REG_BUS) carrying information for calibrating said capacitance ((C var (REG_BUS)) and including a calibration loop (U_CV, CMP, TG_SAR), suitable to carry out a calibration cycle (C_LOOP) in several sequential steps (St_1, ..., St4), comprising: - a controllable capacitance unit (U_CV) suitable to receive a control signal (SAR_BUS) at the beginning of a calibration step and including an array of switched capacitors (C_AR1) that can be selectively activated by the control signal to be connected to a first common node (N_u) having, at the end of an integration interval (P2), a voltage value (VRC) depending on the total capacitance value of the activated capacitors; - an assessment unit (CMP) suitable to compare this voltage value (VRC) with a reference voltage to output a logic signal (OUT_CMP) that, based on the comparison result can be subjected to a transition between first and second logic levels; - a control and timing unit (TG_SAR) suitable to receive the logic signal (OUT_CMP) and to change the control signal (SAR_BUS) based thereon, in order to carry out a subsequent calibration step,
characterized in that in said calibration step is provided, at the end of said integration interval (P2) a comparison interval (P3) of a preset duration, which allows a transition (tl,t4) of the logic signal (OUT_CMP) to occur prior to the beginning of said consecutive calibration step.