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International Electrical Engineering Journal (IEEJ) Vol. 6 (2015) No.2, pp. 1771-1779
International Electrical Engineering Journal (IEEJ) Vol. 6 (2015) No.2, pp. 1771-1779

... it for few input cycles. The thyristors thus act as a high speed contactor (or high speed ac switch). In phase control the thyristors are used as switches to connect the load circuit to the input ac supply, for a part of every input cycle. That is the ac supply voltage is chopped using thyristors du ...
MAX3030E–MAX3033E ±15kV ESD-Protected, 3.3V Quad RS-422 Transmitters General Description
MAX3030E–MAX3033E ±15kV ESD-Protected, 3.3V Quad RS-422 Transmitters General Description

... When circuit boards are plugged into a “hot” backplane, there can be disturbances to the differential signal levels that could be detected by receivers connected to the transmission line. This erroneous data could cause data errors to an RS-422 system. To avoid this, the MAX3030E–MAX3033E have hot-s ...
BDTIC www.BDTIC.com/infineon P o w e r   M a n... H i g h - P e r f o...
BDTIC www.BDTIC.com/infineon P o w e r M a n... H i g h - P e r f o...

... environment a ceramic capacitor must be placed between VCIN and CGND close to the pins. VDRV also needs to be decoupled using a ceramic capacitor (MLCC) between VDRV and PGND in close proximity to the pins. PGND serves as reference for the power circuitry including the driver output stage. ...
AN-874 APPLICATION NOTE
AN-874 APPLICATION NOTE

Lab 5: Active Decoupler Circuits
Lab 5: Active Decoupler Circuits

AAT3692 数据资料DataSheet下载
AAT3692 数据资料DataSheet下载

... ADP voltage is higher than 4.5V. The charging current is determined by the selected charging path and its external set resistor (RSET). USB charging uses an automatic charge reduction loop control to allow battery charging with limited available current from a USB port while maintaining the regulate ...
AAT3681 数据资料DataSheet下载
AAT3681 数据资料DataSheet下载

... external resistor up to 300mA. Battery charge state is continuously monitored for fault conditions. In the event of an over-voltage, short-circuit, or over-temperature failure, the device will automatically shut down, thus protecting the charging device, control system, and the battery under charge. ...
DESCRIPTION
DESCRIPTION

... from the anti-drive end of the encoder. Counter clockwise rotation will result in negative output. To reverse polarity, reverse phase A and phase B connections at TB1 (K661). ...
MAX9814 - Part Number Search
MAX9814 - Part Number Search

... that the output voltage has exceeded a preset limit. The microphone amplifier gain is then reduced with a selectable time constant to correct for the excessive outputvoltage amplitude. This process is known as the attack time. When the output signal subsequently lowers in amplitude, the gain is held ...
19 V - 75 W laptop adapter with tracking boost PFC pre
19 V - 75 W laptop adapter with tracking boost PFC pre

... The controller L6668 offers maximum flexibility by integrating all the functionality needed for high performance SMPS control with a minimum component count. A new feature embedded in the device is a high voltage current source used at start-up which draws current directly from the dc bus and charge ...
MAX4594–MAX4597 Low-Voltage, Single-Supply, 10 SPST CMOS Analog Switches
MAX4594–MAX4597 Low-Voltage, Single-Supply, 10 SPST CMOS Analog Switches

... analog signals or logic inputs, especially if the analog or logic signals are not current limited. If this sequencing is not possible, and if the analog or logic inputs are not current limited to <20mA, add a small-signal diode (D1) as shown in Figure 1. If the analog signal can dip below GND, add D ...
PDF
PDF

... This paper presents the control of a multilevel inverter supplied by a Photovoltaic (PV) panel and a batteries bank. It is well known that the power quality of multilevel inverter signals depends on their number of levels. However, the question that arises is whether there is a limit beyond which it ...
SN65C3238, SN75C3238 (Rev. F)
SN65C3238, SN75C3238 (Rev. F)

... DIN1 DIN2 DIN3 ROUT1 ROUT2 DIN4 ROUT3 DIN5 ROUT1B INVALID ...
Lab #2: TTL and CMOS Specifications
Lab #2: TTL and CMOS Specifications

SN54F32 数据资料 dataSheet 下载
SN54F32 数据资料 dataSheet 下载

... Voltage range applied to any output in the high state . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.5 V to VCC Current into any output in the low state . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 mA Package the ...
MAX9310A 1:5 Clock Driver with Selectable LVPECL Inputs/Single-Ended Inputs and LVDS Outputs
MAX9310A 1:5 Clock Driver with Selectable LVPECL Inputs/Single-Ended Inputs and LVDS Outputs

... Inputs/Single-Ended Inputs and LVDS Outputs The MAX9310A is a fast, low-skew 1:5 differential driver with selectable LVPECL inputs and LVDS outputs, designed for clock distribution applications. This device features an ultra-low propagation delay of 340ps with 48mA of supply current. The MAX9310A op ...
Electronic components
Electronic components

... over some range. Usually variable inductors are made, so that the core can be moved into and out of the winding. The position of the core determines the inductance value. Inductors are also known as chokes or coils. Inductors may be arranged in series or parallel. If two inductors be arranged in ser ...
MAX1946 Single USB Switch with Autoreset and Fault Blanking in Tiny TDFN
MAX1946 Single USB Switch with Autoreset and Fault Blanking in Tiny TDFN

... autoreset feature latches the switch off in the event of a short circuit, saving system power. The switch reactivates upon removal of the shorted condition. The MAX1946 provides several safety features to protect the USB port. Built-in thermal-overload protection turns off the switch when the die te ...
MAX17020 Dual Quick-PWM Step-Down Controller with Low-Power LDO, RTC Regulator General Description
MAX17020 Dual Quick-PWM Step-Down Controller with Low-Power LDO, RTC Regulator General Description

... An internal 100mA linear regulator can be used to either generate the 5V bias needed for power-up or other lower power “always-on” suspend supplies. An independent bypass input allows automatic bypassing of the linear regulator when the SMPS is active. This main controller also includes a secondary ...
A Novel and Robust Approach for Common Mode Feedback Using
A Novel and Robust Approach for Common Mode Feedback Using

... M8 or M9 will have 180◦ phase difference. As a result, differential-mode drain and source currents of M8 or M9 will be zero in the differential mode. This completely cancels out the differential signals. This is not easily achievable by two parallel SDDG transistors instead of single IDDG transistor ...
BE COMPLETE NOTES(click here to download)
BE COMPLETE NOTES(click here to download)

... electronics design, manufacture, products and services. It appears as though we have to add inevitably an “E” to the three “R”s, namely, Reading, writing, and arithmetic, to declare a Man or Woman to be “literate”! Needless to add that the “E” here means “Electronics”! Thus Electronics has become su ...
OPAx227 and OPAx228 High Precision, Low Noise Operational
OPAx227 and OPAx228 High Precision, Low Noise Operational

... The OPAx227 is unity-gain stable and features high slew rate (2.3V/µs) and wide bandwidth (8MHz). The OPAx228 is optimized for closed-loop gains of 5 or greater, and offers higher speed with a slew rate of 10V/µs and a bandwidth of 33MHz. The OPAx227 and OPAx228 series operational amplifiers are ide ...
BD9536FV
BD9536FV

OPAx22x High Precision, Low Noise
OPAx22x High Precision, Low Noise

... The OPAx227 is unity-gain stable and features high slew rate (2.3V/µs) and wide bandwidth (8MHz). The OPAx228 is optimized for closed-loop gains of 5 or greater, and offers higher speed with a slew rate of 10V/µs and a bandwidth of 33MHz. The OPAx227 and OPAx228 series operational amplifiers are ide ...
DS4266 DDR Clock Oscillator General Description Features
DS4266 DDR Clock Oscillator General Description Features

... The DS4266 surface-mount ceramic crystal oscillator is part of Maxim’s DS4-XO crystal oscillator product family. The DS4266 is a 266MHz crystal oscillator designed to support high-performance DDR memory applications that require a stable, low-jitter, and tight duty-cycle clock source. The device pro ...
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Schmitt trigger



In electronics a Schmitt trigger is a comparator circuit with hysteresis implemented by applying positive feedback to the noninverting input of a comparator or differential amplifier. It is an active circuit which converts an analog input signal to a digital output signal. The circuit is named a ""trigger"" because the output retains its value until the input changes sufficiently to trigger a change. In the non-inverting configuration, when the input is higher than a chosen threshold, the output is high. When the input is below a different (lower) chosen threshold the output is low, and when the input is between the two levels the output retains its value. This dual threshold action is called hysteresis and implies that the Schmitt trigger possesses memory and can act as a bistable multivibrator (latch or flip-flop). There is a close relation between the two kinds of circuits: a Schmitt trigger can be converted into a latch and a latch can be converted into a Schmitt trigger.Schmitt trigger devices are typically used in signal conditioning applications to remove noise from signals used in digital circuits, particularly mechanical contact bounce. They are also used in closed loop negative feedback configurations to implement relaxation oscillators, used in function generators and switching power supplies.
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