Abstract: A liquid discharging apparatus has: a first driving signal creation circuit that has a first transistor and a first integrated circuit; a second driving signal creation circuit that has a second transistor and a second integrated circuit; a third driving signal creation circuit that has a third transistor and a third integrated circuit; and a circuit board having a first side, a second side opposite to the first side, a third side, and a fourth side opposite to the third side. The first integrated circuit and first transistor are positioned on the circuit board side by side in a direction away from the first side and toward the second side. The third integrated circuit and third transistor are positioned on the circuit board side by side in a direction away from the third side and toward the fourth side.

Abstract: A driving circuit generating a driving signal, includes a modulator generating a modulated signal by performing pulse modulation on a signal specifying a waveform of the driving signal, an amplifier generating an amplified signal by amplifying the modulated signal, and a smoothing section generating the driving signal by smoothing the amplified signal. The amplifier includes first and second transistors coupled in series between a voltage line to which a voltage which is higher than a ground voltage is supplied and a grounding conductor to which the ground voltage is supplied, and a third transistor having a drain electrode coupled to a gate electrode of the second transistor and a source electrode coupled to the grounding conductor. The first and second transistors are exclusively set to an On state in accordance with the modulated signal, and the amplified signal is output from a node which couples the first and second transistors.

Abstract: A liquid discharging apparatus that includes a discharging head for discharging liquid, a driving circuit for generating a driving signal, and a circuit board, in which the driving circuit includes a coil and a capacitor, the circuit board includes a first layer, a second layer, first wiring provided at the first layer, second wiring provided at the second layer, and interlayer wiring, the first wiring couples a first start point and a first end point, and is provided in a circumferential shape, the second wiring couples a second start point and a second end point, and is provided in a circumferential shape, the interlayer wiring electrically couples the first end point and the second start point, the first wiring and the second wiring partially overlap each other, and the first wiring, the second wiring, and the interlayer wiring constitute at least a part of the coil.

Abstract: A liquid discharging apparatus has: a first driving signal creation circuit that has a first transistor and a first integrated circuit; a second driving signal creation circuit that has a second transistor and a second integrated circuit; a third driving signal creation circuit that has a third transistor and a third integrated circuit; and a circuit board having a first side, a second side opposite to the first side, a third side, and a fourth side opposite to the third side. The first integrated circuit and first transistor are positioned on the circuit board side by side in a direction away from the first side and toward the second side. The third integrated circuit and third transistor are positioned on the circuit board side by side in a direction away from the third side and toward the fourth side.

Abstract: A driving circuit for a capacitive load comprises: a demodulator including an inductor; a circuit board supporting the demodulator; and wiring patterns on the circuit board. The wiring patterns include first and second wiring patterns that are separated from each other. In the inductor, a coil and a core are integrally formed and are mounted on the circuit board so that an axial direction of the core around which the coil is wound intersects the circuit board, and part of the core is directly exposed to the circuit board. The first wiring pattern is electrically connected to a first terminal of the coil. The second wiring pattern is electrically connected to a second terminal of the coil. The first and second wiring patterns do not extend between the coil and the circuit board, and also do not extend between the core and the circuit board.

Abstract: A liquid ejecting apparatus includes a first ejecting section that includes a first drive element and ejects liquid by driving the first drive element, a first drive circuit that includes a first transistor and outputs a first drive signal to the first drive element, a second drive circuit that includes a second transistor and outputs a second drive signal to the first drive element, a circuit substrate on which the first drive circuit and the second drive circuit are mounted. The first drive circuit is mounted on a first surface of the circuit substrate, and the second drive circuit is mounted on a second surface of the circuit substrate, and the first transistor and the second transistor are disposed at position that do not overlap one another in plan view of the circuit substrate.

Abstract: A driving circuit for a capacitive load comprises: a demodulator including an inductor; a circuit board supporting the demodulator; and wiring patterns on the circuit board. The wiring patterns include first and second wiring patterns that are separated from each other. In the inductor, a coil and a core are integrally formed and are mounted on the circuit board so that an axial direction of the core around which the coil is wound intersects the circuit board, and part of the core is directly exposed to the circuit board. The first wiring pattern is electrically connected to a first terminal of the coil. The second wiring pattern is electrically connected to a second terminal of the coil. The first and second wiring patterns do not extend between the coil and the circuit board, and also do not extend between the core and the circuit board.

Abstract: A liquid ejecting apparatus which includes a modulation circuit which generates a modulated signal obtained by performing pulse modulation with respect to a source signal as a source of a driving signal; an amplifier which generates an amplified-modulated signal by amplifying the modulated signal; a demodulator which includes an inductor, and generates a driving signal by smoothing the amplified-modulated signal; and a circuit board on which the modulation circuit, the amplifier, and the demodulator are mounted, and a plurality of wiring patterns are formed on the surface, in which, in the inductor, a coil and a core are integrally formed, and are mounted so that an axial direction of the core around which the coil is wound intersects the circuit board, and the wiring pattern is not formed in a region which intersects the axial direction of the core, on the circuit board.

Abstract: A liquid ejecting apparatus includes an ejecting unit that includes a piezoelectric element and ejects liquid by driving the piezoelectric element; a first drive circuit that generates a first drive signal; a second drive circuit that generates a second drive signal; and a circuit substrate having one surface on which the first drive circuit is mounted and the other surface on which the second drive circuit is mounted. The first drive circuit includes a first pair of transistors and a second pair of transistors. The second drive circuit includes a third pair of transistors and a fourth pair of transistors. A distance between the first pair of transistors and the third pair of transistors is shorter than a distance between the first pair of transistors and the fourth pair of transistors.

Abstract: A liquid ejecting apparatus includes a first ejecting section that includes a first drive element and ejects liquid by driving the first drive element, a first drive circuit that includes a first transistor and outputs a first drive signal to the first drive element, a second drive circuit that includes a second transistor and outputs a second drive signal to the first drive element, a circuit substrate on which the first drive circuit and the second drive circuit are mounted. The first drive circuit is mounted on a first surface of the circuit substrate, and the second drive circuit is mounted on a second surface of the circuit substrate, and the first transistor and the second transistor are disposed at position that do not overlap one another in plan view of the circuit substrate.

Abstract: A liquid ejecting apparatus which includes a modulation circuit which generates a modulated signal obtained by performing pulse modulation with respect to a source signal as a source of a driving signal; a boosting circuit which outputs a voltage boosted by at least a first capacitor; a pair of transistors which generates an amplified-modulated signal based on the modulated signal; a low pass filter which generates a driving signal by smoothing the amplified-modulated signal; a voltage generating circuit which outputs an offset voltage from an output terminal; and a second capacitor which is electrically connected to the output terminal, in which at least the boosting circuit and the voltage generating circuit are integrated in an integrated circuit, and a distance between the first capacitor and the integrated circuit is shorter than a distance between the second capacitor and the integrated circuit.

Abstract: A liquid ejecting apparatus includes an ejecting unit that includes a piezoelectric element and ejects liquid by driving the piezoelectric element; a first drive circuit that generates a first drive signal; a second drive circuit that generates a second drive signal; and a circuit substrate having one surface on which the first drive circuit is mounted and the other surface on which the second drive circuit is mounted. The first drive circuit includes a first pair of transistors and a second pair of transistors. The second drive circuit includes a third pair of transistors and a fourth pair of transistors. A distance between the first pair of transistors and the third pair of transistors is shorter than a distance between the first pair of transistors and the fourth pair of transistors.

Abstract: A liquid discharge device includes a modulation circuit that generates a modulation signal obtained by pulse-modulating a source signal by self oscillation, a transistor pair which includes a high side transistor and a low side transistor and which generates an amplified modulation signal by amplifying the modulation signal, a demodulator which includes an inductor and a capacitor and which generates a drive signal by smoothing the amplified modulation signal, an piezoelectric element that is displaced when the drive signal is applied, a cavity inside which a liquid droplet is filled and whose internal volume is changed by the displacement of the piezoelectric element, and a nozzle provided to discharge liquid inside the cavity according to the change of the internal volume of the cavity. A distance between the high side transistor and the capacitor is longer than a distance between the inductor and the capacitor.

Abstract: A liquid ejecting apparatus which includes a modulation circuit which generates a modulated signal obtained by performing pulse modulation with respect to a source signal as a source of a driving signal; a boosting circuit which outputs a voltage boosted by at least a first capacitor; a pair of transistors which generates an amplified-modulated signal based on the modulated signal; a low pass filter which generates a driving signal by smoothing the amplified-modulated signal; a voltage generating circuit which outputs an offset voltage from an output terminal; and a second capacitor which is electrically connected to the output terminal, in which at least the boosting circuit and the voltage generating circuit are integrated in an integrated circuit, and a distance between the first capacitor and the integrated circuit is shorter than a distance between the second capacitor and the integrated circuit.

Abstract: A liquid ejecting apparatus which includes a modulation circuit which generates a modulated signal obtained by performing pulse modulation with respect to a source signal as a source of a driving signal; a boosting circuit which outputs a voltage boosted by at least a first capacitor; a pair of transistors which generates an amplified-modulated signal based on the modulated signal; a low pass filter which generates a driving signal by smoothing the amplified-modulated signal; a voltage generating circuit which outputs an offset voltage from an output terminal; and a second capacitor which is electrically connected to the output terminal, in which at least the boosting circuit and the voltage generating circuit are integrated in an integrated circuit, and a distance between the first capacitor and the integrated circuit is shorter than a distance between the second capacitor and the integrated circuit.

Abstract: A liquid ejecting apparatus which includes a modulation circuit which generates a modulated signal obtained by performing pulse modulation with respect to a source signal as a source of a driving signal; an amplifier which generates an amplified-modulated signal by amplifying the modulated signal; a demodulator which includes an inductor, and generates a driving signal by smoothing the amplified-modulated signal; and a circuit board on which the modulation circuit, the amplifier, and the demodulator are mounted, and a plurality of wiring patterns are formed on the surface, in which, in the inductor, a coil and a core are integrally formed, and are mounted so that an axial direction of the core around which the coil is wound intersects the circuit board, and the wiring pattern is not formed in a region which intersects the axial direction of the core, on the circuit board.

Abstract: A liquid ejecting apparatus which includes a modulation circuit which generates a modulated signal obtained by performing pulse modulation with respect to a source signal as a source of a driving signal; a boosting circuit which outputs a voltage boosted by at least a first capacitor; a pair of transistors which generates an amplified-modulated signal based on the modulated signal; a low pass filter which generates a driving signal by smoothing the amplified-modulated signal; a voltage generating circuit which outputs an offset voltage from an output terminal; and a second capacitor which is electrically connected to the output terminal, in which at least the boosting circuit and the voltage generating circuit are integrated in an integrated circuit, and a distance between the first capacitor and the integrated circuit is shorter than a distance between the second capacitor and the integrated circuit.

Abstract: A liquid discharge device includes a modulation circuit that generates a modulation signal obtained by pulse-modulating a source signal by self oscillation, a transistor pair which includes a high side transistor and a low side transistor and which generates an amplified modulation signal by amplifying the modulation signal, a demodulator which includes an inductor and a capacitor and which generates a drive signal by smoothing the amplified modulation signal, an piezoelectric element that is displaced when the drive signal is applied, a cavity inside which a liquid droplet is filled and whose internal volume is changed by the displacement of the piezoelectric element, and a nozzle provided to discharge liquid inside the cavity according to the change of the internal volume of the cavity. A distance between the high side transistor and the capacitor is longer than a distance between the inductor and the capacitor.

Abstract: A heteroaromatic methyl cyclic amine derivative represented by formula (IA) or a pharmaceutically acceptable salt thereof is useful for treatment or prophylaxis of diseases such as sleep disorder, depression, anxiety disorder, panic disorder, schizophrenia, drug dependence, Alzheimer's disease, Parkinson's disease, Huntington's disease, eating disorder, cephalalgia, hemicrania, pain, digestive diseases, epilepsy, inflammation, immune-related diseases, endocrine-related diseases and hypertension, on the basis of an orexin (OX) receptor antagonist activity.

Abstract: A heteroaromatic methyl cyclic amine derivative represented by formula (IA) or a pharmaceutically acceptable salt thereof is useful for treatment or prophylaxis of diseases such as sleep disorder, depression, anxiety disorder, panic disorder, schizophrenia, drug dependence, Alzheimer's disease, Parkinson's disease, Huntington's disease, eating disorder, cephalalgia, hemicrania, pain, digestive diseases, epilepsy, inflammation, immune-related diseases, endocrine-related diseases and hypertension, on the basis of an orexin (OX) receptor antagonist activity.