Abstract: Method and device for adjusting or setting an electronic device (1) exhibiting at least one input for an external input signal and at least one output signal output, the value or the state of the output signal being a function of the values or of the state of the input signal. A memory circuit (9) for the value of an adjustment signal is linked to an adjustment input of the electronic device. A circuit (11) increments/decrements said adjustment value stored in said memory circuit. A switching circuit (12) switches said input of the electronic device to a predetermined state and links said output of the electronic device to said memory circuit via said incrementing/decrementing circuit. Said incrementing/decrementing circuit (11) is adapted for adjusting the value of said adjustment signal so that, when said input is switched to said predetermined state, the value or the state of said output signal tend to or attain a predetermined value or a predetermined state.

Abstract: An operational amplifier including an input amplifier configured to amplify at least one differential input signal, a first common mode feedback amplifier configured to amplify a first common mode voltage, a cascode amplifier configured to cascode-amplify output signals from the input amplifier and the first common mode feedback amplifier, a first common mode voltage generator configured to generate a central voltage of the output signal from the cascode amplifier and input the central voltage to the first common mode feedback amplifier, and a frequency compensator configured to feedback the output signal of the cascode amplifier to the first common mode feedback amplifier so as to compensate a frequency of the first common mode feedback amplifier.

Abstract: A differential amplifier includes an amplification unit and a feedback unit. The amplification unit amplifies a voltage difference between a first input signal and a second input signal and outputs a first output signal and a second output signal. The feedback unit amplifies a voltage difference between a first feedback signal based on the first output signal and a second feedback signal based on the second output signal.

Abstract: A method of reducing distortion in the output of an amplifier is provided. The method comprises subtractively combining an error signals with the appropriate phase shift with input signals to be amplified. The error signal being generated by subtractively combining a fed-forward portion of the input signal with a portion of the fed-back amplified output signal, and signal processing applied to it between its generation and application to correcting the input signal in the baseband domain. The error therefore being down-converted, filtered, and up-converted in the feedback path. The filtered baseband error signal components providing inputs to a controller which adjusts active elements of the amplification and feedback path in order to minimize the distortion within the output of the amplifier.

Abstract: Fully differential amplifier circuits are described herein that set the common mode voltage as well as reduce the output offset voltage (offset cancellation). A circuit according to one embodiment includes a first section for generating first and second output signals on first and second outputs from first and second input signals, a first negative feedback loop coupled to the first section, and a second negative feedback loop coupled to the first section. A second section controls the first negative feedback loop for adjusting the first output signal towards a common mode voltage level, and for reducing an offset voltage of the first output signal in different loop bandwidths. A third section controls the second negative feedback loop for adjusting the second output signal towards the common mode voltage level, and for reducing an offset voltage of the second output signal in different loop bandwidths.

Abstract: System and method for common mode translation in continuous-time sigma-delta analog-to-digital converters. An embodiment includes a loop filter having an RC network coupled to a differential signal input, a Gm-C/Quantizer/DAC circuit (GQD) coupled to the loop filter, a common-mode level adjust circuit coupled to signal inputs of the GQD, and a tuning circuit coupled to the GQD and the common-mode level adjust circuit. The GQD evaluates an input signal provided by the RC network, computes a difference between a filtered input signal and the feedback quantization signal to generate an error signal, measures the error signal, and compensates for the error signal with sigma-delta noise-shaping. The common-mode level adjust circuit alters a common-mode level of a differential input signal to be substantially equal to a desired common-mode level and the tuning circuit provides a compensation voltage to the common-mode level adjust circuit based on a difference between the common-mode levels.

Abstract: A method of reducing distortion in the output of an amplifier is provided. The method comprises subtractively combining an error signals with the appropriate phase shift with input signals to be amplified. The error signal being generated by subtractively combining a fed-forward portion of the input signal with a portion of the fed-back amplified output signal, and signal processing applied to it between its generation and application to correcting the input signal in the baseband domain. The error therefore being down-converted, filtered, and up-converted in the feedback path. The filtered baseband error signal components providing inputs to a controller which adjusts active elements of the amplification and feedback path in order to minimize the distortion within the output of the amplifier.

Abstract: A limiting amplifier with an input stage with dc offset cancellation, identical gain stages, an output buffer and a feedback filter. The input stage receives a differential input signal and outputs a first intermediate differential signal. The gain stages are cascaded to amplify the first intermediate differential signal and generate a second intermediate differential signal, amplified by the output buffer to produce an output signal. The feedback filter provides a dc offset voltage of the output signal to the input stage for the dc offset cancellation. The input stage comprises a resistor network coupled between a pair of input nodes and a power line and comprising a common resistor, a pair of load resistors and a shunt resistor. The load resistors share a common terminal connected to the common resistor that is connected to the power line. The shunt resistor has two terminals respectively connected to the load resistors.

Abstract: A limiting amplifier with an input stage with dc offset cancellation, identical gain stages, an output buffer and a feedback filter. The input stage receives a differential input signal and outputs a first intermediate differential signal. The gain stages are cascaded to amplify the first intermediate differential signal and generate a second intermediate differential signal, amplified by the output buffer to produce an output signal. The feedback filter provides a dc offset voltage of the output signal to the input stage for the dc offset cancellation. The input stage comprises a resistor network coupled between a pair of input nodes and a power line and comprising a common resistor, a pair of load resistors and a shunt resistor. The load resistors share a common terminal connected to the common resistor that is connected to the power line. The shunt resistor has two terminals respectively connected to the load resistors.

Abstract: According to one embodiment, a system, apparatus, and method for receiving high-speed signals using a receiver with a transconductance amplifier is presented. The apparatus comprises a transconductance amplifier to receive input voltage derived from an input signal, a clocked current comparator to receive output current from the transconductance amplifier, and a storage element to receive a binary value from the clocked current comparator.

Abstract: In a method and apparatus for trimming values of load resistors to reduce variations there between, a common mode feedback loop (CMFBL) included in a differential amplifier is switched from operating in a closed loop mode to operate in an open loop mode. The CMFBL includes an operational amplifier (OA) generating an output signal. A selector switch, coupled to receive the output signal, is operable to switch a path of the output signal in response to a CAL signal. In the closed loop mode, the selector switch routes the output signal to a feedback loop to provide a regulated current to the load resistors. In the open loop mode, the OA operates as a comparator and the output signal is provided as a digital signal. The selector switch provides the digital signal to a controller to digitally trim the values of the load resistors.

Abstract: A limiting amplifier with an input stage with dc offset cancellation, identical gain stages, an output buffer and a feedback filter. The input stage receives a differential input signal and outputs a first intermediate differential signal. The gain stages are cascaded to amplify the first intermediate differential signal and generate a second intermediate differential signal, amplified by the output buffer to produce an output signal. The feedback filter provides a dc offset voltage of the output signal to the input stage for the dc offset cancellation. The input stage comprises a resistor network coupled between a pair of input nodes and a power line and comprising a common resistor, a pair of load resistors and a shunt resistor. The load resistors share a common terminal connected to the common resistor that is connected to the power line. The shunt resistor has two terminals respectively connected to the load resistors.

Abstract: A fully differential amplifier includes: an N-stage amplifier including first to Nth amplifier stages, where N is a positive integer greater than or equal to 2, the first to Nth amplifier stages being cascaded in sequence so as to generate a pair of differential output voltages; a common mode feedback circuit coupled to the N-stage amplifier, detecting a common mode level of the differential output voltages, and controlling the first amplifier stage according to the common mode level detected thereby; and a common mode frequency compensation circuit including a pair of capacitors, each having a first terminal coupled to the N-stage amplifier to receive a respective one of the differential output voltages, and a second terminal coupled to a common mode node of the first to (N-1)th amplifier stages of the N-stage amplifier.

Abstract: An amplifier circuit for capacitive transducers, such as miniature electret or condenser microphones, wherein the amplifier circuit comprises bias control means adapted to improve settling of the amplifier circuit. Another aspect of the invention relates to a miniature condenser microphone and a monolithic integrated circuit comprising an amplifier circuit according to the present invention. The present invention provides amplifier circuits of improved performance by resolving traditionally conflicting requirements of maintaining a large input resistance of the amplifier circuit to optimize its noise performance and provide fast settling of the amplifier circuit.

Abstract: A differential amplifier circuit includes an offset adjuster circuit for varying the active load to adjust the offset caused by the differential pair. The differential amplifier circuit includes fine adjustment cell sections including a plurality of transistors having the substantially same size, and shift cell sections including transistors, whose transistor size is larger than the transistors of the fine adjustment cell sections.

Abstract: According to one exemplary embodiment, a power supply rejection bias circuit includes a first amplifier coupled to a second amplifier, where the first amplifier receives a reference voltage, and a feedback voltage of the bias circuit. The bias circuit further includes an output transistor driven by the output of the second amplifier, where the output transistor provides the output of the bias circuit and the feedback voltage. The bias circuit further includes a feedback resistor coupled between an input and an output of the second amplifier. According to this embodiment, the output of the second amplifier forms a non-dominant pole of the bias circuit and the output of the bias circuit forms a dominant pole of the bias circuit, thereby increasing power supply rejection of the bias circuit.

Abstract: A multistage RF amplifier amplifies RF signals used for communication in a WLAN communications system. The multistage RF amplifier comprises a first amplifier circuit coupled to a second amplifier circuit to maximize amplification. A common mode of the first amplifier circuit is coupled to a common mode of the second amplifier circuit to provide a voltage offset. The voltage offset counters voltage changes due to oscillations in the first amplifier circuit, thereby reducing interference from the multistage RF amplifier.

Abstract: A receiver has a first input port and a second input port both coupled to a differential amplifier through first and second input capacitors. A bias circuit coupled to the core side of the first input capacitor and to the core side of the second input capacitor is configured to provide a selected voltage to at least one of the first input and the second input of the differential amplifier. In one embodiment, a common mode bias circuit provides a common mode voltage to both inputs of a differential amplifier. In a particular embodiment, a run length detector monitors the output of the differential amplifier and provides a run length feedback signal or an average bit density feedback signal to the set the selected voltage between periods of data reception.

Abstract: A variable amplifier with adjustable current to correct for DC offset. The variable amplifier includes a zero function, allowing for zeroing of some amplifiers in an amplifier chain during correction for DC offset of another amplifier in an amplifier chain. In some embodiments selectable current injection is provided to an amplifier chain in conjunction with signals from selectable mixers.

Abstract: An amplifier electronic circuit with at least one amplifier stage, including a differential pair that includes two input transistors controlled by respective input signals and means for measuring the common mode output voltage of the amplifier, includes at least one first electronic component and one second electronic component, each electronic component comprising a first gate and a second gate, a source and a drain, the first gates of the first and second electronic components being interconnected and connected to the drain of the first electronic component, one of the second gates of the electronic components receiving the measured common mode output voltage, the other of the second gates receiving a reference voltage. The amplifier electronic circuit may be used in applications using differential pairs, for example, an amplifier, an oscillator, or active filters.

Abstract: The present invention is contrived to adopt a differential pair type amplifier circuit comprising a differential pair constituted by a first transistor receiving an input of a first signal and by a second transistor receiving an input of a third signal generated by outputting a second signal of which the voltage level is a power supply voltage. Elements requiring a matching are two transistors constituting the differential pair for the amplifier circuit. Because of this, the elements requiring a matching can be placed close to each other regardless of a layout between the amplifier circuits.

Abstract: An operational amplifier in accordance with one embodiment of the invention includes folded cascode transistors and a self-biased common-mode feedback circuit coupled to the folded cascode transistors. The operational amplifier can include an output stage coupled to the self-biased common-mode feedback circuit and the folded cascode transistors.

Abstract: A multi-stage Class AB amplifier system comprises a first Class AB amplifier circuit that receives an input signal. A bias circuit receives an output of the first Class AB amplifier circuit. A second Class AB amplifier circuit having an input that communicates with an output of the bias circuit and that generates an output signal. A common-mode feedback circuit generates a feedback signal to the first Class AB amplifier circuit based on the output signal.

Abstract: A circuit for removing non-linearity produced when an amplifier includes a load that results in non-linear current levels is provided. The circuit includes a first transistor element being coupled to one of the differential inputs associated with the amplifier. A second transistor element is coupled to another of the differential inputs associated with the amplifier. The second transistor element is coupled to the current associated with the load. Current passing the collectors of the first and second transistors elements are arranged to be always equal so as to eliminate in the circuit the changes between the base currents of the second transistor element and first transistor element caused by the current associated with the load.

Abstract: In general, in one aspect, the disclosure describes an apparatus having a capacitor to receive an input signal and to block DC portion of the incoming signal. A buffer is used to receive the DC blocked incoming signal and output an outgoing signal. A low pass filter is used to convert duty cycle error in an outgoing signal to a DC offset and to provide the DC offset to the capacitor. The DC offset is used to bias the capacitor. The biasing of the capacitor can adjust the DC blocked incoming signal so as to reduce the duty cycle error in the outgoing signal.

Abstract: An amplifier topology includes an input stage comprising a differential pair which conducts respective output currents in response to a differential input signal. Bias current sources provide the pair's tail current and respective bias currents for the input stage in response to a drive voltage. After flowing through the input stage, most or all of the input stage bias currents are summed at a summing node, the summed currents being a current Isum. The input stage also has a feedback loop which includes a bias generator circuit arranged to receive Isum, and to provide the drive voltage to the bias current sources such that Isum is maintained approximately constant. By so doing, the output impedance of the bias current sources is effectively increased, which serves to improve the amplifier's CMR and PSR characteristics.

Abstract: Provided is a low-power variable gain amplifier having a direct-current (DC) bias stabilizer.

Abstract: An integrated circuit comprises a gain stage circuit coupled to a compensation circuit. Both the gain stage circuit and the compensation circuit respectively comprise a first current source and a second current source that are subject to the same process variations. A negative feedback circuit is used to generate a corrective current in relation to the second current source, indicative of a current that needs to flow through a load in addition to a current flowing through the second current source in order for a variable voltage to be substantially equal to a reference voltage used to drive the first and second current sources. A compensating current corresponding to the corrective current generated for the second current source is applied to the first current source to compensate for process variation in the gain stage circuit in respect to the first current source.

Abstract: A new offset canceling circuit for a differential circuit is disclosed whose input offset voltage may be cancelled independent of the variation of the input level, accordingly, enables the cut-off frequency of the canceling circuit unchanged. The offset canceller of the invention provides a buffer amplifier and a filter. The filter includes a capacitance multiplier including an operational amplifier (Op-Amp) operating in the inverting mode and a capacitor connected between the input and output of the Op-Amp. The Op-Amp operating in the inverting mode whose closed loop gain is solely determined by resistors, and the capacitance of the capacitor is multiplied by the closed loop gain of the Op-Amp by the Miller effect.

Abstract: A variable gain amplifier and offset cancellation loop circuit and methods for tracking and correcting DC offset errors that may vary in accordance with the gain of the variable gain amplifier. The circuit is designed to provide tracking of rapid changes in the offset error while maintaining a desired overall frequency response of the combined variable gain amplifier and offset loop. The offset loop cancellation circuit has a wide enough bandwidth to allow the offset cancellation loop to track rapid changes in offset errors that result from rapid changes to the amplifier's gain setting. A control circuit is provided to prevent the large offset cancellation loop bandwidth from having a detrimental effect on the amplifier's overall bandwidth when the amplifier is set to high levels of forward gain by adjusting the offset cancellation loop gain as the forward gain of the amplifier is altered.

Abstract: A fully differential amplifier circuit provided according to an aspect of the present invention contains a stabilization block to measure the common mode component at the output of an input stage, and to inject a current proportionate to the common mode component into each of a pair of paths forming the output of the input stage to stabilize a feedback loop formed by the input stage, an output stage and a common mode feedback block. In an embodiment, the stabilization block contains a buffer to receive the measured common mode component and to provide a buffered output. The injected current is generated based on the buffered output. Due to the presence of the buffer, the differential loop may not be affected by injection of the additional current, thereby avoiding any distortions in the output signal.

Abstract: A low noise, low power differential two-stage amplifier includes a first stage comprising a pair of electrical devices that sense an input signal difference across the pair of electrical devices; and a control feedback loop operatively connected to the first stage, wherein the first stage in combination with the control loop feedback is adapted to place an exact copy of the signal across a first pair of resistive components, wherein the first pair of resistive components are adapted to generate a differential signal current, wherein the control feedback loop is adapted to ensure that the differential signal current goes a second pair of resistive components to generate a voltage output. Preferably, the first and second pair of resistive components are in ratio to produce the exact copy of the signal with some gain at an output of the first stage.

Abstract: A differential input driver circuit (10, 50) includes first and second transistors (Q0, Q3) as input transistors and third and fourth transistors (Q1, Q2) as diode-connected, cross-coupled transistors. In one embodiment, first, second, third and fourth transistors are NPN bipolar transistors. The base terminals of the first and third transistors are connected while the base terminals of the second and fourth transistors are connected. The input transistors receive a pair of differential input signals (In+/?) at the emitter terminals (24, 26) and provides a pair of differential output signals (Vo+/?) at the collector terminals (16, 18). The emitter terminals of the diode-connected transistors (Q1, Q2) couple the input signal at the emitter terminal of the first transistor to the collector terminal of the second transistor and vice versa. The cross-coupling of the third and fourth transistors enables the input driver to operate effectively in single-ended to differential conversion mode.

Abstract: A DC offset elimination device includes a first signal path that delivers a differential input signal pair from an input node to an output node and a second signal path that delivers a differential output signal pair from the output node to the input node. The second signal path includes a first transconductor having an input terminal coupled to the output node, an amplifier having an input terminal coupled to an output terminal of the first transconductor, a capacitor coupled in parallel to the amplifier, and a second transconductor coupled to the output terminal of the amplifier and to the input node.

Abstract: A fully differential amplifier includes: an N-stage amplifier including first to Nth amplifier stages, where N is a positive integer greater than or equal to 2, the first to Nth amplifier stages being cascaded in sequence so as to generate a pair of differential output voltages; a common mode feedback circuit coupled to the N-stage amplifier, detecting a common mode level of the differential output voltages, and controlling the first amplifier stage according to the common mode level detected thereby; and a common mode frequency compensation circuit including a pair of capacitors, each having a first terminal coupled to the N-stage amplifier to receive a respective one of the differential output voltages, and a second terminal coupled to a common mode node of the first to (N-1)th amplifier stages of the N-stage amplifier.

Abstract: An amplifier circuit includes a low noise first stage and a wide dynamic range second stage. A feedback network coupled between the output of the second stage and the input of the first stage provides DC level shifting of the common mode input voltage. The common mode input voltage is shifted to a value that allows the output of the first stage to be compatible with the input of the second stage.

Abstract: Disclosed are systems and methods which provide very linear amplification of signals using a linearized transconductance circuit. A transconductance amplifier configuration is shown which provides highly linearized operation utilizing a Darlington pair feedback circuit. Also shown are gain control configurations in which current steering circuitry is adapted to operate in its most linear region.

Abstract: An offset canceling circuit includes a differential amplifier circuit configured to output a first output signal in response to a differential input signal; a latch circuit configured to hold a second output signal determined based on the first output signal; and an offset control circuit configured to supply a reference voltage to the differential amplifier circuit to adjust an offset of the differential amplifier circuit. The second output signal is a binary signal, and the latch circuit changes a signal level of the second output signal based on the first output signal. The offset control circuit acquires the second output signal from the latch circuit for every predetermined time and updates a voltage value of the reference voltage based on the signal levels of two of the second output signals which are acquired continuously in time series.

Abstract: A transconductor for substantially canceling or reducing a direct current (DC) output offset and a method thereof are provided. The transconductor includes a differential amplifier, a sensing circuit, and a feedback current generation circuit. The differential amplifier outputs output signals having a DC output offset therebetween due to a difference between input signals or a mismatch between input terminals. The sensing circuit senses the DC output offset and outputs a sensing signal. The feedback current generation circuit provides a feedback current for adjusting a level of the output signals to the input stage of the differential amplifier in response to the sensing signal. Accordingly, the transconductor substantially cancels or reduces the DC output offset between the output signals in response to the feedback current.

Abstract: An amplifier circuit includes a low noise first stage and a wide dynamic range second stage. A feedback network coupled between the output of the second stage and the input of the first stage provides DC level shifting of the common mode input voltage. The common mode input voltage is shifted to a value that allows the output of the first stage to be compatible with the input of the second stage.

Abstract: According to one embodiment, a system for constant bandwidth DC offset correction in an amplifier includes a number of amplifier stages having an input and an output coupled together in series. The system for constant bandwidth DC offset correction further includes a number of DC offset correction feedback loops which include a variable gain transconductor coupled to an integration capacitor further coupled to a fixed gain transconductor. Each of the DC offset correction feedback loops are coupled to the input and output of each of the number of amplifier stages. The transconductance of the variable gain transconductor in each of the number of DC correction feedback loops is varied in relation to a gain of the number of amplifier stages, such that the DC offset correction feedback loops provide DC offset correction while maintaining a constant bandwidth.

Abstract: A circuit for removing non-linearity produced when an amplifier includes a load that results in non-linear current levels is provided. The circuit includes a first transistor element being coupled to one of the differential inputs associated with the amplifier. A second transistor element is coupled to another of the differential inputs associated with the amplifier. The second transistor element is coupled to the current associated with the load. Current passing the collectors of the first and second transistors elements are arranged to be always equal so as to eliminate in the circuit the changes between the base currents of the second transistor element and first transistor element caused by the current associated with the load.

Abstract: A bias generation circuit for biasing a differential amplifier is disclosed. The bias generation circuit is coupled to the differential amplifier. After determining a common-mode voltage of a pair of differential outputs from the differential amplifier, the bias generation circuit generates a bias voltage, which is proportional to the determined common-mode voltage, to the differential amplifier such that the common-mode input voltage range of the differential amplifier is extended to as far as the rail-to-rail voltage.

Abstract: A variable-gain amplifier with high input impedance includes positive and negative inputs, positive and negative outputs, first and second differential circuits and first, second and third impedances. The impedances form an impedance bridge between the outputs. The first and second differential circuits each have one input coupled to one of the inputs of the differential amplifier, one input coupled to the impedance bridge, and two outputs connected to the outputs of the differential amplifier. At least one of the impedances is a variable impedance.

Abstract: The objective of the invention is to automatically and dynamically change the slew rate corresponding to the change rate and amplitude of the input signal. In this operational amplifier, when voltage (Vin) of the input signal is high, or when it changes drastically, at the time the voltage difference between the input signal and the output signal (Vout?Vin) exceeds prescribed value (VF), in constant current circuit (12), switch controller (22) turns ON switch (20). As a result, operation current amplifier (16) operates, and current (IE) of constant current source (14) is amplified with a positive feedback loop. By means of positive feedback amplification of the current (IE), slew rate (SR) rises drastically from the reference value that has been adopted, and output voltage (Vout) immediately follows input voltage (Vin).

Abstract: A receiver circuit for receiving and forwarding data signals comprises at least one first and one second input to be used to inject an external digital data signal and a reference signal into the receiver circuit, a multistage input amplifier circuit which comprises a first amplifier stage and a second amplifier stage connected downstream of the first amplifier stage, and a device for actively setting a first operating point of the multistage input amplifier circuit. The multistage input circuit provides the external digital data signal in amplified form at an output and the device generates a bias potential for driving the input multistage amplifier circuit on the basis of the circuit topography of the multistage input amplifier circuit. The bias potential is used to set a second operating point of the first amplifier stage in such a manner that its output signal is within a prescribed third operating point of the second amplifier stage.

Abstract: A system or method for a circuit network that receives an RF signal, and where a plurality of switching transistors receive an RF signal output by the circuit network and perform mixing with a local oscillation (LO) signal received on a LO input. An active bias circuit performs active bias of the plurality of switching transistors in a feedback loop provided between the LO input and an output of the plurality of switching transistors.

Abstract: A common mode feedback circuit is provided that can set a direct voltage operating point of the outputs of an associated amplifier. The common mode feedback circuit can remain powered on during power down of the associated amplifier and maintain a large feedback loop capacitance (in the common mode feedback circuit) at an approximately normal operating voltage to advantageously reduce settling time of an associated amplifier that has been powered off.

Abstract: The invention provides an apparatus and a method for adjusting an output impedance of an output stage. The apparatus comprises a detector for outputting a direct current potential corresponding to the impedance of the output stage circuit. It also comprises a controlling unit for outputting a control signal according to the direct current potential and a reference potential, and for adjusting the output impedance of the output stage according to the control signal.

Abstract: A low drop out (LDO) regulator that includes a novel error amplifier, which is arranged with a first stage that employs both NMOS and PMOS devices that are similarly doped in differential pairs and a second stage that operates with NMOS and PMOS devices in a push-pull arrangement. In addition to the error amplifier, the LDO regulator can also include a startup circuit coupled to an enable voltage, a reference filter circuit coupled to a reference voltage, an output circuit, a quiescent current control circuit, and a pulse generator circuit. Also, an internal RC network is provided to compensate for phase shift. The integrated operation of the components of the regulator enables stable and fast operation of an LDO regulator with no external capacitors connected to the input or output terminals.