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11.发明申请公开(公告)号：US20140361845A1
公开(公告)日：2014-12-11
申请号：US14298350
申请日：2014-06-06
发明人： Hisahiro ITO
CPC分类号： H03B1/00 , H01G7/06 , Y02T10/7022 , Y10T29/49004
摘要： A variable capacitance circuit includes a plurality of variable capacitance elements (varicaps) each having the capacitance value controlled in accordance with the inter-terminal voltage applied between the terminals of the variable capacitance element and connected in parallel to each other, has the combined capacitance value of the plurality of variable capacitance elements variable taking a predetermined capacitance value as a base, sets the inter-terminal voltage of at least one of the plurality of variable capacitance elements to a first voltage as a variable voltage, and sets the inter-terminal voltage of the rest of the plurality of variable capacitance elements to a second voltage as a stationary voltage.
摘要翻译： 可变电容电路包括多个可变电容元件（变容片），每个可变电容元件具有根据施加在可变电容元件的端子之间并且彼此并联连接的端子间电压控制的电容值，具有组合的电容值 以可变电容值为基准的多个可变电容元件中的至少一个可变电容元件的端子间电压设定为第一电压为可变电压，并将端子间电压 的多个可变电容元件的其余部分作为固定电压的第二电压。
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公开(公告)号：US20210184685A1
公开(公告)日：2021-06-17
申请号：US17117319
申请日：2020-12-10
发明人： Ryo ICHIKAWA , Hisahiro ITO
摘要： A charge pump includes: a switch circuit that switches a current source conducted to an output node based on a signal from a phase frequency detector included in a PLL circuit; a first current source that is the current source provided between a high potential node and the switch circuit, and supplies a current to the output node by a first conduction-type depletion mode MOS transistor forming a self-bias circuit; and a second current source that is the current source provided between a low potential node and the switch circuit, and draws the current from the output node by the first conduction-type depletion mode MOS transistor forming the self-bias circuit.
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公开(公告)号：US20190165732A1
公开(公告)日：2019-05-30
申请号：US16199846
申请日：2018-11-26
发明人： Hisahiro ITO , Tetsuya OTSUKI , Shoichiro KASAHARA
IPC分类号： H03B5/32 , H03H9/215 , H01L23/495
摘要： An oscillator includes a resonator and an integrated circuit element. The resonator includes a resonator element and a resonator element container accommodating the resonator element. The integrated circuit element includes an inductor. The resonator and the integrated circuit element are stacked on each other. The resonator includes a metal member, and the metal member does not overlap the inductor when viewed in a plan view.
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公开(公告)号：US20180269850A1
公开(公告)日：2018-09-20
申请号：US15914359
申请日：2018-03-07
发明人： Hisahiro ITO
IPC分类号： H03H9/05 , H01L23/498 , H03H9/02 , H03H9/10 , H03H9/145
摘要： A vibrator device includes a circuit element, which has a first terminal and is a quadrangle in plan view, a vibrator, which is disposed on an active surface and is a quadrangle in plan view, a base, on which the circuit element is disposed and which has a second terminal, and a wire which connects the first terminal and the second terminal together. In plan view of the circuit element, at least one side of the vibrator is disposed along a direction where the one side intersects each of two adjacent sides of the circuit element, and the vibrator does not overlap the first terminal.
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公开(公告)号：US20160020789A1
公开(公告)日：2016-01-21
申请号：US14800125
申请日：2015-07-15
发明人： Hisahiro ITO
IPC分类号： H04B1/04 , H04L27/152
CPC分类号： H04L27/152
摘要： A wireless communication circuit includes a vibration piece, and a semiconductor device that is connected to the vibration piece in order to integrate the vibration piece and a wireless communication IC into one package and thus to produce a wireless communication device by which a high-precision oscillation frequency is obtained. The semiconductor device includes an oscillation circuit of the vibration piece, and a wireless communication circuit that has an amplifier which amplifies a wireless signal that is generated by an oscillation signal from the oscillation circuit. The vibration piece and the semiconductor device are accommodated in one package. An excitation electrode of the vibration piece is arranged in the package in such a manner that the excitation electrode is not superimposed on the amplifier when the semiconductor device is viewed from above.
摘要翻译： 无线通信电路包括振动片和连接到振动片的半导体器件，以将振动片和无线通信IC集成到一个封装中，从而产生高精度振荡的无线通信装置 频率得到。 该半导体装置包括振动片的振荡电路和无线通信电路，该无线通信电路具有放大由振荡电路产生的振荡信号产生的无线信号的放大器。 振动片和半导体器件容纳在一个封装中。 振动片的激励电极以从上方观察半导体器件时激励电极不叠加在放大器上的方式配置在封装中。
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公开(公告)号：US20160020379A1
公开(公告)日：2016-01-21
申请号：US14800738
申请日：2015-07-16
发明人： Hisahiro ITO , Shoichiro KASAHARA
CPC分类号： H01L24/49 , B06B1/0207 , B06B1/0238 , B06B1/0648 , B06B2201/40 , B06B2201/55 , B06B2201/70 , H01L24/48 , H01L2224/05554 , H01L2224/4813 , H01L2224/48227 , H01L2224/49171 , H01L2924/00014 , H01L2924/141 , H01L2924/143 , H01L2924/15153 , H01L2924/1517 , H01L2224/45099 , H01L2224/45015 , H01L2924/207
摘要： In order to reduce crosstalk between analog and digital signals, a circuit device includes a vibrator element, a semiconductor device, and a package. In the semiconductor device, an analog pad is provided along a first side facing in a first direction when the semiconductor device is seen in plan view. In addition, a digital pad is provided along aside facing in a second direction opposite to the first direction, that is, a second side facing the first side. In the package, an analog terminal which is connected to the analog pad is provided on a first side of the package facing in the first direction. In addition, a digital terminal which is connected to the digital pad is provided on a second side of the package facing in the second direction.
摘要翻译： 为了减少模拟和数字信号之间的串扰，电路装置包括振动元件，半导体器件和封装。 在半导体器件中，当在平面图中看到半导体器件时，沿着朝向第一方向的第一侧设置模拟焊盘。 此外，沿与第一方向相反的第二方向（即，面向第一侧的第二侧）面向第一侧面设置数字焊盘。 在封装中，连接到模拟焊盘的模拟端子设置在面向第一方向的封装的第一侧上。 另外，连接到数字式焊盘的数字端子设置在面向第二方向的封装的第二面上。
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公开(公告)号：US20240291433A1
公开(公告)日：2024-08-29
申请号：US18588503
申请日：2024-02-27
发明人： Yuichi TORIUMI , Hisahiro ITO
CPC分类号： H03B5/20 , G06F1/10 , H03B5/30 , H05K1/181 , H05K2201/10015 , H05K2201/10075
摘要： An oscillator includes a power supply terminal, a ground terminal, a positive-side clock terminal, and a negative-side clock terminal. The power supply terminal is supplied with a high potential-side power supply voltage. The ground terminal is supplied with a low potential-side power supply voltage. The positive-side clock terminal outputs a positive-side clock signal of a differential clock signal. The negative-side clock terminal outputs a negative-side clock signal of the differential clock signal. The power supply terminal and the ground terminal are arranged side by side, and the positive-side clock terminal and the negative-side clock terminal are arranged side by side.
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18.发明申请公开(公告)号：US20220004220A1
公开(公告)日：2022-01-06
申请号：US17126521
申请日：2020-12-18
发明人： Hisahiro ITO , Hideo HANEDA , Yasuhiro SUDO , Akio TSUTSUMI
摘要： A circuit device is used in an electronic device including a receiver, a control circuit that performs processing on reception data received by the receiver using a clock signal, a transmitter that transmits transmission data generated by performing processing based on the reception data by the control circuit. The circuit device includes a time-to-digital conversion circuit that measures a time difference between a transition timing of a start signal based on the reception data and a transition timing of a stop signal based on the transmission data or the clock signal, and an output interface that outputs, to the control circuit, a measurement result of the time difference of the time-to-digital conversion circuit.
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公开(公告)号：US20210376840A1
公开(公告)日：2021-12-02
申请号：US17333078
申请日：2021-05-28
发明人： Shoichiro KASAHARA , Hisahiro ITO , Shinya AOKI
摘要： In the oscillator, a quartz crystal resonator and an oscillation circuit formed in an IC incorporating an inductor are electrically coupled to each other with a resonator interconnection disposed on a surface of a substrate to form an oscillation loop. A conductor layer disposed as an intermediate layer of the substrate is disposed so as to overlap the resonator interconnection and not to overlap the inductor incorporated in the IC in a plan view.
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公开(公告)号：US20180265349A1
公开(公告)日：2018-09-20
申请号：US15914979
申请日：2018-03-07
发明人： Hisahiro ITO
CPC分类号： B81B7/0058 , B81B3/0024 , B81B3/0086 , B81B7/007 , H03B5/32 , H03H9/0519 , H03H9/0533 , H03H9/0547 , H03H9/1021 , H03H9/19
摘要： A vibrator device includes a base, a vibrator that includes a vibrator element and a vibrator element package, which accommodates the vibrator element and has a first terminal on a surface on a base side, a circuit element that is disposed between the base and the vibrator and has a first connection pad on a surface on a vibrator side, and a conductive connecting member that is disposed between the circuit element and the vibrator, bonds the circuit element and the vibrator together, and electrically connects the first connection pad and the first terminal together.
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