H03F2203/45206

LOW DROPOUT REGULATOR
20220365549 · 2022-11-17 ·

A circuit for converting a first voltage to a second voltage in a communication system is disclosed. The circuit includes a pass transistor including a first terminal, a second terminal and a gate, wherein the first terminal is coupled with the first voltage. The circuit is also includes an error amplifier. The error amplifier includes a first input that is coupled with a constant reference voltage and a second input that is coupled with a first switch that is coupled with an output port. A second switch is included and is coupled between the first voltage and an output of the error amplifier. The output of the error amplifier is coupled with the gate of the pass transistor. A third switch is included and is coupled between ground and the output of the error amplifier. The second switch is configured to be driven by a first one shot pulse generated from an input signal of the communication system and the third switch is configured to be driven by a second one shot pulse generated from the input signal.

Differential amplifier, pixel circuit and solid-state imaging device

A pixel circuit includes a differential amplifier. The differential amplifier includes a non-inverting input terminal, an inverting input terminal, and an output terminal. The differential amplifier includes an input differential pair including first and second NMOS transistors, a current mirror pair including PMOS transistors, and a constant current source including a fifth NMOS transistor. A threshold voltage of each of the first and second NMOS transistors is higher than a threshold voltage of the fifth NMOS transistor. Further, the threshold voltage of each of the first and second NMOS transistors is higher than a threshold voltage of another NMOS transistor.

Configurable transceiver circuit architecture

Techniques and mechanisms for providing signal communication with a configurable transceiver circuit. In an embodiment, an integrated circuit comprises transceiver circuitry including an output stage and current mirror circuitry. The output stage is coupled to receive a differential signal pair and to provide at least one output signal based on the differential signal pair. In another embodiment, configuration logic is operable to select between a first mode and a second mode of the transceiver circuit. The first mode includes the current mirror circuitry being disabled from providing a current signal to the output stage, and a first circuit path being closed to provide voltage to the output stage. The second mode includes the first circuit path being open and the current mirror circuitry being enabled to provide a current signal to the output stage.

INPUT/OUTPUT CIRCUIT, OPERATION METHOD THEREOF AND DATA PROCESSING SYSTEM INCLUDING THE SAME

An input/output circuit may include an input circuit, an amplifier circuit and a precharging circuit. The input circuit may load differential input data to setup nodes based on a data strobe clock. The amplifier circuit may compare and amplify the data that is loaded to the setup nodes and configured to output the amplified data. The precharging circuit may precharge the setup nodes based on the data strobe clock and the differential input data.

Configurable substrate and systems

Systems and devices for enabling the use of SIP subsystems to make a configurable system having a unique interconnecting scheme creates appropriate connections between the SIP components and/or subsystems such that desired characteristics and features for the configurable system are provided.

Capless low dropout regulation
11656643 · 2023-05-23 · ·

A circuit for converting a first voltage to a second voltage in a communication system is disclosed. The circuit includes a pass transistor including a first terminal, a second terminal and a gate, wherein the first terminal is coupled with the first voltage. The circuit is also includes an error amplifier. The error amplifier includes a first input that is coupled with a constant reference voltage and a second input that is coupled with a first switch that is coupled with an output port. A second switch is included and is coupled between the first voltage and an output of the error amplifier. The output of the error amplifier is coupled with the gate of the pass transistor. A third switch is included and is coupled between ground and the output of the error amplifier. The second switch is configured to be driven by a first one shot pulse generated from an input signal of the communication system and the third switch is configured to be driven by a second one shot pulse generated from the input signal.

DIFFERENTIAL CURRENT-TO-VOLTAGE CONVERSION

An apparatus includes a differential current-to-voltage conversion circuit that includes an input sampling stage circuit, a differential integration and DC signal cancellation stage circuit, and an amplification and accumulator stage circuit. An input common mode voltage of the differential current-to-voltage circuit is independent of an output common mode voltage of the differential current-to-voltage circuit.

Apparatus and method for an analog to digital converter
11381207 · 2022-07-05 · ·

An apparatus includes a load pair including a first transistor and a second transistor, a common mode feedback circuit comprising a first common mode feedback transistor and a second common mode feedback transistor, wherein a drain of the first common mode feedback transistor is coupled to a source of the first transistor, and a gate of the first common mode feedback transistor is coupled to a drain of the first transistor, and a drain of the second common mode feedback transistor is coupled to a source of the second transistor, and a gate of the second common mode feedback transistor is coupled to a drain of the second transistor, and an offset cancellation stage coupled to outputs of the load pair.

APPARATUS AND METHOD FOR AN ANALOG TO DIGITAL CONVERTER
20210313941 · 2021-10-07 ·

An apparatus includes a load pair including a first transistor and a second transistor, a common mode feedback circuit comprising a first common mode feedback transistor and a second common mode feedback transistor, wherein a drain of the first common mode feedback transistor is coupled to a source of the first transistor, and a gate of the first common mode feedback transistor is coupled to a drain of the first transistor, and a drain of the second common mode feedback transistor is coupled to a source of the second transistor, and a gate of the second common mode feedback transistor is coupled to a drain of the second transistor, and an offset cancellation stage coupled to outputs of the load pair.

Reducing column switch resistance errors in RRAM-based crossbar array circuits
11114158 · 2021-09-07 · ·

Systems and methods for reducing column switch resistance error RRAM-based crossbar array circuits are disclosed. An example crossbar array circuit includes: a crossbar array including a row wire, a column wire, and a cross-point device connected between the row wire and the column wire; a column switch having a column switch input and a column switch output, connected to the cross-point device; an Op-amp device having a non-inverting input, an inverting input, and an Op-amp output; a three-terminal switch having a first terminal, a second terminal, and a third terminal. The three-terminal switch is connected to the inverting input and is configured to switch between the column switch input and the column switch output; a load resistor is connected with the column switch output and the Op-amp output.