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公开(公告)号：US20220231643A1
公开(公告)日：2022-07-21
申请号：US17716792
申请日：2022-04-08
申请人： SOCIONEXT INC.
摘要： Differential amplifier circuitry including: first and second main transistors of a given conductivity type: and first and second auxiliary transistors of an opposite conductivity type, where the first and second main transistors are connected along first and second main current paths passing between first and second main voltage reference nodes and first and second output nodes, respectively, with their source terminals connected to the first and second output nodes, respectively, and with their gate terminals controlled by component input signals of a differential input signal; and the first and second auxiliary transistors are connected along first and second auxiliary current paths passing between first and second auxiliary voltage reference nodes and the first and second output nodes, respectively, with their drain terminals connected to the first and second output nodes, respectively, and with their gate terminals controlled by the component input signals of the differential input signal.
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公开(公告)号：US11128258B2
公开(公告)日：2021-09-21
申请号：US17115349
申请日：2020-12-08
申请人： SOCIONEXT INC.
IPC分类号： H03D7/14
摘要： Differential mixer circuitry comprising: first and second input-voltage nodes and first and second input-current nodes; a passive network of impedances connected between the first and second input-voltage nodes and the first and second input-current nodes, and configured to convert first and second input-voltage signals received at the first and second input-voltage nodes, respectively, into first and second input-current signals provided at the first and second input-current nodes, respectively, the first and second input-voltage signals defining a differential input-voltage signal having an input frequency, and the first and second input-current signals defining a differential input-current signal; and a mixing stage configured to mix the differential input-current signal with at least one mixing signal having a corresponding mixing frequency and output a differential output signal having an output frequency dependent on the input frequency and each mixing frequency.
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公开(公告)号：US11652459B2
公开(公告)日：2023-05-16
申请号：US17716792
申请日：2022-04-08
申请人： SOCIONEXT INC.
CPC分类号： H03F3/45264 , H03F1/3205 , H03F1/3211 , H03F2203/45296 , H03F2203/45298 , H03F2203/45318 , H03F2203/45326
摘要： Differential amplifier circuitry including: first and second main transistors of a given conductivity type: and first and second auxiliary transistors of an opposite conductivity type, where the first and second main transistors are connected along first and second main current paths passing between first and second main voltage reference nodes and first and second output nodes, respectively, with their source terminals connected to the first and second output nodes, respectively, and with their gate terminals controlled by component input signals of a differential input signal; and the first and second auxiliary transistors are connected along first and second auxiliary current paths passing between first and second auxiliary voltage reference nodes and the first and second output nodes, respectively, with their drain terminals connected to the first and second output nodes, respectively, and with their gate terminals controlled by the component input signals of the differential input signal.
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公开(公告)号：US10951223B2
公开(公告)日：2021-03-16
申请号：US16902854
申请日：2020-06-16
申请人： SOCIONEXT INC.
IPC分类号： H03M1/12
摘要： Sampler circuitry including load circuitry having sampler switches to sample first and second load currents, the load circuitry having first and second load nodes and a biasing node; a power supply node connected to a voltage source; a first current path extending from the power supply node to the first load node to provide the first load current at the first load node, where a first supply-connection impedance is connected along the first current path; a second current path extending, in parallel with the first current path, from the power supply node to the second load node to provide the second load current at the second load node for use by the load circuitry, where a second supply-connection impedance is connected along the second current path between the power supply node and the second load node; first and second input-connection impedances; and control circuitry.
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公开(公告)号：US12009832B2
公开(公告)日：2024-06-11
申请号：US17837615
申请日：2022-06-10
申请人： Socionext Inc.
发明人： Vlad Cretu , Armin Jalili Sebardan
CPC分类号： H03M1/1245 , H03K17/54
摘要： A sampling switch circuit, comprising an input node, connected to receive an input voltage signal, a sampling transistor comprising a gate terminal, a source terminal and a drain terminal, the source terminal connected to the input node, a hold-control node connected to receive a hold-control voltage signal, an output node connected to the drain terminal of the sampling transistor, a buffer circuit having a buffer input connected to the input node and a buffer output connected to a track-control node, the buffer circuit configured to provide a track-control voltage signal at the track-control node dependent on the input voltage signal and switching circuitry configured to connect the gate terminal of the sampling transistor to the track-control node or to the hold-control node in dependence upon a clock signal.
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公开(公告)号：US11626846B2
公开(公告)日：2023-04-11
申请号：US17716725
申请日：2022-04-08
申请人： SOCIONEXT INC.
摘要： Differential amplifier circuitry including: first and second main transistors of a given conductivity type; and first and second auxiliary transistors of an opposite conductivity type, where the first and second main transistors are connected along first and second main current paths passing between first and second main voltage reference nodes and first and second output nodes, respectively, with their source terminals connected to the first and second output nodes, respectively, and with their gate terminals controlled by component input signals of a differential input signal; and the first and second auxiliary transistors are connected along first and second auxiliary current paths passing between first and second auxiliary voltage reference nodes and the first and second output nodes, respectively, with their drain terminals connected to the first and second output nodes, respectively, and with their gate terminals controlled by the component input signals of the differential input signal.
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公开(公告)号：US11431307B2
公开(公告)日：2022-08-30
申请号：US16902808
申请日：2020-06-16
申请人： SOCIONEXT INC.
摘要： Sampler circuitry, having: an input node which receives an input voltage signal; a primary current path connected between high and low voltage supply nodes; a secondary current path connected between high and low voltage supply nodes; current mirror circuitry; and load circuitry having sampler switches which sample a current signal, where the input node is defined along the primary current path, the primary current path configured to carry a primary current dependent on the input voltage signal; the current mirror circuitry includes a primary side and a secondary side, the primary side connected along the primary current path and the secondary side connected along the secondary current path so that a secondary current dependent on the primary current is caused to flow along the secondary current path; and the load circuitry is connected along the secondary current path so that the secondary current at least partly forms the current signal.
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公开(公告)号：US11336245B2
公开(公告)日：2022-05-17
申请号：US16894590
申请日：2020-06-05
申请人： SOCIONEXT INC.
摘要： Differential amplifier circuitry including: first and second main transistors of a given conductivity type; and first and second auxiliary transistors of an opposite conductivity type, where the first and second main transistors are connected along first and second main current paths passing between first and second main voltage reference nodes and first and second output nodes, respectively, with their source terminals connected to the first and second output nodes, respectively, and with their gate terminals controlled by component input signals of a differential input signal; and the first and second auxiliary transistors are connected along first and second auxiliary current paths passing between first and second auxiliary voltage reference nodes and the first and second output nodes, respectively, with their drain terminals connected to the first and second output nodes, respectively, and with their gate terminals controlled by the component input signals of the differential input signal.
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